diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/time/internal/cctz/src')
21 files changed, 0 insertions, 8935 deletions
diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/cctz_benchmark.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/cctz_benchmark.cc deleted file mode 100644 index 4e39188ff3..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/cctz_benchmark.cc +++ /dev/null @@ -1,1030 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include <algorithm> -#include <cassert> -#include <chrono> -#include <ctime> -#include <random> -#include <string> -#include <vector> - -#include "benchmark/benchmark.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" -#include "time_zone_impl.h" - -namespace { - -namespace cctz = absl::time_internal::cctz; - -void BM_Difference_Days(benchmark::State& state) { - const cctz::civil_day c(2014, 8, 22); - const cctz::civil_day epoch(1970, 1, 1); - while (state.KeepRunning()) { - benchmark::DoNotOptimize(c - epoch); - } -} -BENCHMARK(BM_Difference_Days); - -void BM_Step_Days(benchmark::State& state) { - const cctz::civil_day kStart(2014, 8, 22); - cctz::civil_day c = kStart; - while (state.KeepRunning()) { - benchmark::DoNotOptimize(++c); - } -} -BENCHMARK(BM_Step_Days); - -void BM_GetWeekday(benchmark::State& state) { - const cctz::civil_day c(2014, 8, 22); - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::get_weekday(c)); - } -} -BENCHMARK(BM_GetWeekday); - -void BM_NextWeekday(benchmark::State& state) { - const cctz::civil_day kStart(2014, 8, 22); - const cctz::civil_day kDays[7] = { - kStart + 0, kStart + 1, kStart + 2, kStart + 3, - kStart + 4, kStart + 5, kStart + 6, - }; - const cctz::weekday kWeekdays[7] = { - cctz::weekday::monday, cctz::weekday::tuesday, cctz::weekday::wednesday, - cctz::weekday::thursday, cctz::weekday::friday, cctz::weekday::saturday, - cctz::weekday::sunday, - }; - while (state.KeepRunningBatch(7 * 7)) { - for (const auto from : kDays) { - for (const auto to : kWeekdays) { - benchmark::DoNotOptimize(cctz::next_weekday(from, to)); - } - } - } -} -BENCHMARK(BM_NextWeekday); - -void BM_PrevWeekday(benchmark::State& state) { - const cctz::civil_day kStart(2014, 8, 22); - const cctz::civil_day kDays[7] = { - kStart + 0, kStart + 1, kStart + 2, kStart + 3, - kStart + 4, kStart + 5, kStart + 6, - }; - const cctz::weekday kWeekdays[7] = { - cctz::weekday::monday, cctz::weekday::tuesday, cctz::weekday::wednesday, - cctz::weekday::thursday, cctz::weekday::friday, cctz::weekday::saturday, - cctz::weekday::sunday, - }; - while (state.KeepRunningBatch(7 * 7)) { - for (const auto from : kDays) { - for (const auto to : kWeekdays) { - benchmark::DoNotOptimize(cctz::prev_weekday(from, to)); - } - } - } -} -BENCHMARK(BM_PrevWeekday); - -const char RFC3339_full[] = "%Y-%m-%d%ET%H:%M:%E*S%Ez"; -const char RFC3339_sec[] = "%Y-%m-%d%ET%H:%M:%S%Ez"; - -const char RFC1123_full[] = "%a, %d %b %Y %H:%M:%S %z"; -const char RFC1123_no_wday[] = "%d %b %Y %H:%M:%S %z"; - -// A list of known time-zone names. -// TODO: Refactor with src/time_zone_lookup_test.cc. -const char* const kTimeZoneNames[] = {"Africa/Abidjan", - "Africa/Accra", - "Africa/Addis_Ababa", - "Africa/Algiers", - "Africa/Asmara", - "Africa/Asmera", - "Africa/Bamako", - "Africa/Bangui", - "Africa/Banjul", - "Africa/Bissau", - "Africa/Blantyre", - "Africa/Brazzaville", - "Africa/Bujumbura", - "Africa/Cairo", - "Africa/Casablanca", - "Africa/Ceuta", - "Africa/Conakry", - "Africa/Dakar", - "Africa/Dar_es_Salaam", - "Africa/Djibouti", - "Africa/Douala", - "Africa/El_Aaiun", - "Africa/Freetown", - "Africa/Gaborone", - "Africa/Harare", - "Africa/Johannesburg", - "Africa/Juba", - "Africa/Kampala", - "Africa/Khartoum", - "Africa/Kigali", - "Africa/Kinshasa", - "Africa/Lagos", - "Africa/Libreville", - "Africa/Lome", - "Africa/Luanda", - "Africa/Lubumbashi", - "Africa/Lusaka", - "Africa/Malabo", - "Africa/Maputo", - "Africa/Maseru", - "Africa/Mbabane", - "Africa/Mogadishu", - "Africa/Monrovia", - "Africa/Nairobi", - "Africa/Ndjamena", - "Africa/Niamey", - "Africa/Nouakchott", - "Africa/Ouagadougou", - "Africa/Porto-Novo", - "Africa/Sao_Tome", - "Africa/Timbuktu", - "Africa/Tripoli", - "Africa/Tunis", - "Africa/Windhoek", - "America/Adak", - "America/Anchorage", - "America/Anguilla", - "America/Antigua", - "America/Araguaina", - "America/Argentina/Buenos_Aires", - "America/Argentina/Catamarca", - "America/Argentina/ComodRivadavia", - "America/Argentina/Cordoba", - "America/Argentina/Jujuy", - "America/Argentina/La_Rioja", - "America/Argentina/Mendoza", - "America/Argentina/Rio_Gallegos", - "America/Argentina/Salta", - "America/Argentina/San_Juan", - "America/Argentina/San_Luis", - "America/Argentina/Tucuman", - "America/Argentina/Ushuaia", - "America/Aruba", - "America/Asuncion", - "America/Atikokan", - "America/Atka", - "America/Bahia", - "America/Bahia_Banderas", - "America/Barbados", - "America/Belem", - "America/Belize", - "America/Blanc-Sablon", - "America/Boa_Vista", - "America/Bogota", - "America/Boise", - "America/Buenos_Aires", - "America/Cambridge_Bay", - "America/Campo_Grande", - "America/Cancun", - "America/Caracas", - "America/Catamarca", - "America/Cayenne", - "America/Cayman", - "America/Chicago", - "America/Chihuahua", - "America/Coral_Harbour", - "America/Cordoba", - "America/Costa_Rica", - "America/Creston", - "America/Cuiaba", - "America/Curacao", - "America/Danmarkshavn", - "America/Dawson", - "America/Dawson_Creek", - "America/Denver", - "America/Detroit", - "America/Dominica", - "America/Edmonton", - "America/Eirunepe", - "America/El_Salvador", - "America/Ensenada", - "America/Fort_Nelson", - "America/Fort_Wayne", - "America/Fortaleza", - "America/Glace_Bay", - "America/Godthab", - "America/Goose_Bay", - "America/Grand_Turk", - "America/Grenada", - "America/Guadeloupe", - "America/Guatemala", - "America/Guayaquil", - "America/Guyana", - "America/Halifax", - "America/Havana", - "America/Hermosillo", - "America/Indiana/Indianapolis", - "America/Indiana/Knox", - "America/Indiana/Marengo", - "America/Indiana/Petersburg", - "America/Indiana/Tell_City", - "America/Indiana/Vevay", - "America/Indiana/Vincennes", - "America/Indiana/Winamac", - "America/Indianapolis", - "America/Inuvik", - "America/Iqaluit", - "America/Jamaica", - "America/Jujuy", - "America/Juneau", - "America/Kentucky/Louisville", - "America/Kentucky/Monticello", - "America/Knox_IN", - "America/Kralendijk", - "America/La_Paz", - "America/Lima", - "America/Los_Angeles", - "America/Louisville", - "America/Lower_Princes", - "America/Maceio", - "America/Managua", - "America/Manaus", - "America/Marigot", - "America/Martinique", - "America/Matamoros", - "America/Mazatlan", - "America/Mendoza", - "America/Menominee", - "America/Merida", - "America/Metlakatla", - "America/Mexico_City", - "America/Miquelon", - "America/Moncton", - "America/Monterrey", - "America/Montevideo", - "America/Montreal", - "America/Montserrat", - "America/Nassau", - "America/New_York", - "America/Nipigon", - "America/Nome", - "America/Noronha", - "America/North_Dakota/Beulah", - "America/North_Dakota/Center", - "America/North_Dakota/New_Salem", - "America/Nuuk", - "America/Ojinaga", - "America/Panama", - "America/Pangnirtung", - "America/Paramaribo", - "America/Phoenix", - "America/Port-au-Prince", - "America/Port_of_Spain", - "America/Porto_Acre", - "America/Porto_Velho", - "America/Puerto_Rico", - "America/Punta_Arenas", - "America/Rainy_River", - "America/Rankin_Inlet", - "America/Recife", - "America/Regina", - "America/Resolute", - "America/Rio_Branco", - "America/Rosario", - "America/Santa_Isabel", - "America/Santarem", - "America/Santiago", - "America/Santo_Domingo", - "America/Sao_Paulo", - "America/Scoresbysund", - "America/Shiprock", - "America/Sitka", - "America/St_Barthelemy", - "America/St_Johns", - "America/St_Kitts", - "America/St_Lucia", - "America/St_Thomas", - "America/St_Vincent", - "America/Swift_Current", - "America/Tegucigalpa", - "America/Thule", - "America/Thunder_Bay", - "America/Tijuana", - "America/Toronto", - "America/Tortola", - "America/Vancouver", - "America/Virgin", - "America/Whitehorse", - "America/Winnipeg", - "America/Yakutat", - "America/Yellowknife", - "Antarctica/Casey", - "Antarctica/Davis", - "Antarctica/DumontDUrville", - "Antarctica/Macquarie", - "Antarctica/Mawson", - "Antarctica/McMurdo", - "Antarctica/Palmer", - "Antarctica/Rothera", - "Antarctica/South_Pole", - "Antarctica/Syowa", - "Antarctica/Troll", - "Antarctica/Vostok", - "Arctic/Longyearbyen", - "Asia/Aden", - "Asia/Almaty", - "Asia/Amman", - "Asia/Anadyr", - "Asia/Aqtau", - "Asia/Aqtobe", - "Asia/Ashgabat", - "Asia/Ashkhabad", - "Asia/Atyrau", - "Asia/Baghdad", - "Asia/Bahrain", - "Asia/Baku", - "Asia/Bangkok", - "Asia/Barnaul", - "Asia/Beirut", - "Asia/Bishkek", - "Asia/Brunei", - "Asia/Calcutta", - "Asia/Chita", - "Asia/Choibalsan", - "Asia/Chongqing", - "Asia/Chungking", - "Asia/Colombo", - "Asia/Dacca", - "Asia/Damascus", - "Asia/Dhaka", - "Asia/Dili", - "Asia/Dubai", - "Asia/Dushanbe", - "Asia/Famagusta", - "Asia/Gaza", - "Asia/Harbin", - "Asia/Hebron", - "Asia/Ho_Chi_Minh", - "Asia/Hong_Kong", - "Asia/Hovd", - "Asia/Irkutsk", - "Asia/Istanbul", - "Asia/Jakarta", - "Asia/Jayapura", - "Asia/Jerusalem", - "Asia/Kabul", - "Asia/Kamchatka", - "Asia/Karachi", - "Asia/Kashgar", - "Asia/Kathmandu", - "Asia/Katmandu", - "Asia/Khandyga", - "Asia/Kolkata", - "Asia/Krasnoyarsk", - "Asia/Kuala_Lumpur", - "Asia/Kuching", - "Asia/Kuwait", - "Asia/Macao", - "Asia/Macau", - "Asia/Magadan", - "Asia/Makassar", - "Asia/Manila", - "Asia/Muscat", - "Asia/Nicosia", - "Asia/Novokuznetsk", - "Asia/Novosibirsk", - "Asia/Omsk", - "Asia/Oral", - "Asia/Phnom_Penh", - "Asia/Pontianak", - "Asia/Pyongyang", - "Asia/Qatar", - "Asia/Qostanay", - "Asia/Qyzylorda", - "Asia/Rangoon", - "Asia/Riyadh", - "Asia/Saigon", - "Asia/Sakhalin", - "Asia/Samarkand", - "Asia/Seoul", - "Asia/Shanghai", - "Asia/Singapore", - "Asia/Srednekolymsk", - "Asia/Taipei", - "Asia/Tashkent", - "Asia/Tbilisi", - "Asia/Tehran", - "Asia/Tel_Aviv", - "Asia/Thimbu", - "Asia/Thimphu", - "Asia/Tokyo", - "Asia/Tomsk", - "Asia/Ujung_Pandang", - "Asia/Ulaanbaatar", - "Asia/Ulan_Bator", - "Asia/Urumqi", - "Asia/Ust-Nera", - "Asia/Vientiane", - "Asia/Vladivostok", - "Asia/Yakutsk", - "Asia/Yangon", - "Asia/Yekaterinburg", - "Asia/Yerevan", - "Atlantic/Azores", - "Atlantic/Bermuda", - "Atlantic/Canary", - "Atlantic/Cape_Verde", - "Atlantic/Faeroe", - "Atlantic/Faroe", - "Atlantic/Jan_Mayen", - "Atlantic/Madeira", - "Atlantic/Reykjavik", - "Atlantic/South_Georgia", - "Atlantic/St_Helena", - "Atlantic/Stanley", - "Australia/ACT", - "Australia/Adelaide", - "Australia/Brisbane", - "Australia/Broken_Hill", - "Australia/Canberra", - "Australia/Currie", - "Australia/Darwin", - "Australia/Eucla", - "Australia/Hobart", - "Australia/LHI", - "Australia/Lindeman", - "Australia/Lord_Howe", - "Australia/Melbourne", - "Australia/NSW", - "Australia/North", - "Australia/Perth", - "Australia/Queensland", - "Australia/South", - "Australia/Sydney", - "Australia/Tasmania", - "Australia/Victoria", - "Australia/West", - "Australia/Yancowinna", - "Brazil/Acre", - "Brazil/DeNoronha", - "Brazil/East", - "Brazil/West", - "CET", - "CST6CDT", - "Canada/Atlantic", - "Canada/Central", - "Canada/Eastern", - "Canada/Mountain", - "Canada/Newfoundland", - "Canada/Pacific", - "Canada/Saskatchewan", - "Canada/Yukon", - "Chile/Continental", - "Chile/EasterIsland", - "Cuba", - "EET", - "EST", - "EST5EDT", - "Egypt", - "Eire", - "Etc/GMT", - "Etc/GMT+0", - "Etc/GMT+1", - "Etc/GMT+10", - "Etc/GMT+11", - "Etc/GMT+12", - "Etc/GMT+2", - "Etc/GMT+3", - "Etc/GMT+4", - "Etc/GMT+5", - "Etc/GMT+6", - "Etc/GMT+7", - "Etc/GMT+8", - "Etc/GMT+9", - "Etc/GMT-0", - "Etc/GMT-1", - "Etc/GMT-10", - "Etc/GMT-11", - "Etc/GMT-12", - "Etc/GMT-13", - "Etc/GMT-14", - "Etc/GMT-2", - "Etc/GMT-3", - "Etc/GMT-4", - "Etc/GMT-5", - "Etc/GMT-6", - "Etc/GMT-7", - "Etc/GMT-8", - "Etc/GMT-9", - "Etc/GMT0", - "Etc/Greenwich", - "Etc/UCT", - "Etc/UTC", - "Etc/Universal", - "Etc/Zulu", - "Europe/Amsterdam", - "Europe/Andorra", - "Europe/Astrakhan", - "Europe/Athens", - "Europe/Belfast", - "Europe/Belgrade", - "Europe/Berlin", - "Europe/Bratislava", - "Europe/Brussels", - "Europe/Bucharest", - "Europe/Budapest", - "Europe/Busingen", - "Europe/Chisinau", - "Europe/Copenhagen", - "Europe/Dublin", - "Europe/Gibraltar", - "Europe/Guernsey", - "Europe/Helsinki", - "Europe/Isle_of_Man", - "Europe/Istanbul", - "Europe/Jersey", - "Europe/Kaliningrad", - "Europe/Kiev", - "Europe/Kirov", - "Europe/Lisbon", - "Europe/Ljubljana", - "Europe/London", - "Europe/Luxembourg", - "Europe/Madrid", - "Europe/Malta", - "Europe/Mariehamn", - "Europe/Minsk", - "Europe/Monaco", - "Europe/Moscow", - "Europe/Nicosia", - "Europe/Oslo", - "Europe/Paris", - "Europe/Podgorica", - "Europe/Prague", - "Europe/Riga", - "Europe/Rome", - "Europe/Samara", - "Europe/San_Marino", - "Europe/Sarajevo", - "Europe/Saratov", - "Europe/Simferopol", - "Europe/Skopje", - "Europe/Sofia", - "Europe/Stockholm", - "Europe/Tallinn", - "Europe/Tirane", - "Europe/Tiraspol", - "Europe/Ulyanovsk", - "Europe/Uzhgorod", - "Europe/Vaduz", - "Europe/Vatican", - "Europe/Vienna", - "Europe/Vilnius", - "Europe/Volgograd", - "Europe/Warsaw", - "Europe/Zagreb", - "Europe/Zaporozhye", - "Europe/Zurich", - "GB", - "GB-Eire", - "GMT", - "GMT+0", - "GMT-0", - "GMT0", - "Greenwich", - "HST", - "Hongkong", - "Iceland", - "Indian/Antananarivo", - "Indian/Chagos", - "Indian/Christmas", - "Indian/Cocos", - "Indian/Comoro", - "Indian/Kerguelen", - "Indian/Mahe", - "Indian/Maldives", - "Indian/Mauritius", - "Indian/Mayotte", - "Indian/Reunion", - "Iran", - "Israel", - "Jamaica", - "Japan", - "Kwajalein", - "Libya", - "MET", - "MST", - "MST7MDT", - "Mexico/BajaNorte", - "Mexico/BajaSur", - "Mexico/General", - "NZ", - "NZ-CHAT", - "Navajo", - "PRC", - "PST8PDT", - "Pacific/Apia", - "Pacific/Auckland", - "Pacific/Bougainville", - "Pacific/Chatham", - "Pacific/Chuuk", - "Pacific/Easter", - "Pacific/Efate", - "Pacific/Enderbury", - "Pacific/Fakaofo", - "Pacific/Fiji", - "Pacific/Funafuti", - "Pacific/Galapagos", - "Pacific/Gambier", - "Pacific/Guadalcanal", - "Pacific/Guam", - "Pacific/Honolulu", - "Pacific/Johnston", - "Pacific/Kiritimati", - "Pacific/Kosrae", - "Pacific/Kwajalein", - "Pacific/Majuro", - "Pacific/Marquesas", - "Pacific/Midway", - "Pacific/Nauru", - "Pacific/Niue", - "Pacific/Norfolk", - "Pacific/Noumea", - "Pacific/Pago_Pago", - "Pacific/Palau", - "Pacific/Pitcairn", - "Pacific/Pohnpei", - "Pacific/Ponape", - "Pacific/Port_Moresby", - "Pacific/Rarotonga", - "Pacific/Saipan", - "Pacific/Samoa", - "Pacific/Tahiti", - "Pacific/Tarawa", - "Pacific/Tongatapu", - "Pacific/Truk", - "Pacific/Wake", - "Pacific/Wallis", - "Pacific/Yap", - "Poland", - "Portugal", - "ROC", - "ROK", - "Singapore", - "Turkey", - "UCT", - "US/Alaska", - "US/Aleutian", - "US/Arizona", - "US/Central", - "US/East-Indiana", - "US/Eastern", - "US/Hawaii", - "US/Indiana-Starke", - "US/Michigan", - "US/Mountain", - "US/Pacific", - "US/Samoa", - "UTC", - "Universal", - "W-SU", - "WET", - "Zulu", - nullptr}; - -std::vector<std::string> AllTimeZoneNames() { - std::vector<std::string> names; - for (const char* const* namep = kTimeZoneNames; *namep != nullptr; ++namep) { - names.push_back(std::string("file:") + *namep); - } - assert(!names.empty()); - - std::mt19937 urbg(42); // a UniformRandomBitGenerator with fixed seed - std::shuffle(names.begin(), names.end(), urbg); - return names; -} - -cctz::time_zone TestTimeZone() { - cctz::time_zone tz; - cctz::load_time_zone("America/Los_Angeles", &tz); - return tz; -} - -void BM_Zone_LoadUTCTimeZoneFirst(benchmark::State& state) { - cctz::time_zone tz; - cctz::load_time_zone("UTC", &tz); // in case we're first - cctz::time_zone::Impl::ClearTimeZoneMapTestOnly(); - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::load_time_zone("UTC", &tz)); - } -} -BENCHMARK(BM_Zone_LoadUTCTimeZoneFirst); - -void BM_Zone_LoadUTCTimeZoneLast(benchmark::State& state) { - cctz::time_zone tz; - for (const auto& name : AllTimeZoneNames()) { - cctz::load_time_zone(name, &tz); // prime cache - } - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::load_time_zone("UTC", &tz)); - } -} -BENCHMARK(BM_Zone_LoadUTCTimeZoneLast); - -void BM_Zone_LoadTimeZoneFirst(benchmark::State& state) { - cctz::time_zone tz = cctz::utc_time_zone(); // in case we're first - const std::string name = "file:America/Los_Angeles"; - while (state.KeepRunning()) { - state.PauseTiming(); - cctz::time_zone::Impl::ClearTimeZoneMapTestOnly(); - state.ResumeTiming(); - benchmark::DoNotOptimize(cctz::load_time_zone(name, &tz)); - } -} -BENCHMARK(BM_Zone_LoadTimeZoneFirst); - -void BM_Zone_LoadTimeZoneCached(benchmark::State& state) { - cctz::time_zone tz = cctz::utc_time_zone(); // in case we're first - cctz::time_zone::Impl::ClearTimeZoneMapTestOnly(); - const std::string name = "file:America/Los_Angeles"; - cctz::load_time_zone(name, &tz); // prime cache - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::load_time_zone(name, &tz)); - } -} -BENCHMARK(BM_Zone_LoadTimeZoneCached); - -void BM_Zone_LoadLocalTimeZoneCached(benchmark::State& state) { - cctz::utc_time_zone(); // in case we're first - cctz::time_zone::Impl::ClearTimeZoneMapTestOnly(); - cctz::local_time_zone(); // prime cache - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::local_time_zone()); - } -} -BENCHMARK(BM_Zone_LoadLocalTimeZoneCached); - -void BM_Zone_LoadAllTimeZonesFirst(benchmark::State& state) { - cctz::time_zone tz; - const std::vector<std::string> names = AllTimeZoneNames(); - for (auto index = names.size(); state.KeepRunning(); ++index) { - if (index == names.size()) { - index = 0; - } - if (index == 0) { - state.PauseTiming(); - cctz::time_zone::Impl::ClearTimeZoneMapTestOnly(); - state.ResumeTiming(); - } - benchmark::DoNotOptimize(cctz::load_time_zone(names[index], &tz)); - } -} -BENCHMARK(BM_Zone_LoadAllTimeZonesFirst); - -void BM_Zone_LoadAllTimeZonesCached(benchmark::State& state) { - cctz::time_zone tz; - const std::vector<std::string> names = AllTimeZoneNames(); - for (const auto& name : names) { - cctz::load_time_zone(name, &tz); // prime cache - } - for (auto index = names.size(); state.KeepRunning(); ++index) { - if (index == names.size()) { - index = 0; - } - benchmark::DoNotOptimize(cctz::load_time_zone(names[index], &tz)); - } -} -BENCHMARK(BM_Zone_LoadAllTimeZonesCached); - -void BM_Zone_TimeZoneEqualityImplicit(benchmark::State& state) { - cctz::time_zone tz; // implicit UTC - while (state.KeepRunning()) { - benchmark::DoNotOptimize(tz == tz); - } -} -BENCHMARK(BM_Zone_TimeZoneEqualityImplicit); - -void BM_Zone_TimeZoneEqualityExplicit(benchmark::State& state) { - cctz::time_zone tz = cctz::utc_time_zone(); // explicit UTC - while (state.KeepRunning()) { - benchmark::DoNotOptimize(tz == tz); - } -} -BENCHMARK(BM_Zone_TimeZoneEqualityExplicit); - -void BM_Zone_UTCTimeZone(benchmark::State& state) { - cctz::time_zone tz; - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::utc_time_zone()); - } -} -BENCHMARK(BM_Zone_UTCTimeZone); - -// In each "ToCivil" benchmark we switch between two instants separated -// by at least one transition in order to defeat any internal caching of -// previous results (e.g., see local_time_hint_). -// -// The "UTC" variants use UTC instead of the Google/local time zone. - -void BM_Time_ToCivil_CCTZ(benchmark::State& state) { - const cctz::time_zone tz = TestTimeZone(); - std::chrono::system_clock::time_point tp = - std::chrono::system_clock::from_time_t(1384569027); - std::chrono::system_clock::time_point tp2 = - std::chrono::system_clock::from_time_t(1418962578); - while (state.KeepRunning()) { - std::swap(tp, tp2); - tp += std::chrono::seconds(1); - benchmark::DoNotOptimize(cctz::convert(tp, tz)); - } -} -BENCHMARK(BM_Time_ToCivil_CCTZ); - -void BM_Time_ToCivil_Libc(benchmark::State& state) { - // No timezone support, so just use localtime. - time_t t = 1384569027; - time_t t2 = 1418962578; - struct tm tm; - while (state.KeepRunning()) { - std::swap(t, t2); - t += 1; -#if defined(_WIN32) || defined(_WIN64) - benchmark::DoNotOptimize(localtime_s(&tm, &t)); -#else - benchmark::DoNotOptimize(localtime_r(&t, &tm)); -#endif - } -} -BENCHMARK(BM_Time_ToCivil_Libc); - -void BM_Time_ToCivilUTC_CCTZ(benchmark::State& state) { - const cctz::time_zone tz = cctz::utc_time_zone(); - std::chrono::system_clock::time_point tp = - std::chrono::system_clock::from_time_t(1384569027); - while (state.KeepRunning()) { - tp += std::chrono::seconds(1); - benchmark::DoNotOptimize(cctz::convert(tp, tz)); - } -} -BENCHMARK(BM_Time_ToCivilUTC_CCTZ); - -void BM_Time_ToCivilUTC_Libc(benchmark::State& state) { - time_t t = 1384569027; - struct tm tm; - while (state.KeepRunning()) { - t += 1; -#if defined(_WIN32) || defined(_WIN64) - benchmark::DoNotOptimize(gmtime_s(&tm, &t)); -#else - benchmark::DoNotOptimize(gmtime_r(&t, &tm)); -#endif - } -} -BENCHMARK(BM_Time_ToCivilUTC_Libc); - -// In each "FromCivil" benchmark we switch between two YMDhms values -// separated by at least one transition in order to defeat any internal -// caching of previous results (e.g., see time_local_hint_). -// -// The "UTC" variants use UTC instead of the Google/local time zone. -// The "Day0" variants require normalization of the day of month. - -void BM_Time_FromCivil_CCTZ(benchmark::State& state) { - const cctz::time_zone tz = TestTimeZone(); - int i = 0; - while (state.KeepRunning()) { - if ((i++ & 1) == 0) { - benchmark::DoNotOptimize( - cctz::convert(cctz::civil_second(2014, 12, 18, 20, 16, 18), tz)); - } else { - benchmark::DoNotOptimize( - cctz::convert(cctz::civil_second(2013, 11, 15, 18, 30, 27), tz)); - } - } -} -BENCHMARK(BM_Time_FromCivil_CCTZ); - -void BM_Time_FromCivil_Libc(benchmark::State& state) { - // No timezone support, so just use localtime. - int i = 0; - while (state.KeepRunning()) { - struct tm tm; - if ((i++ & 1) == 0) { - tm.tm_year = 2014 - 1900; - tm.tm_mon = 12 - 1; - tm.tm_mday = 18; - tm.tm_hour = 20; - tm.tm_min = 16; - tm.tm_sec = 18; - } else { - tm.tm_year = 2013 - 1900; - tm.tm_mon = 11 - 1; - tm.tm_mday = 15; - tm.tm_hour = 18; - tm.tm_min = 30; - tm.tm_sec = 27; - } - tm.tm_isdst = -1; - benchmark::DoNotOptimize(mktime(&tm)); - } -} -BENCHMARK(BM_Time_FromCivil_Libc); - -void BM_Time_FromCivilUTC_CCTZ(benchmark::State& state) { - const cctz::time_zone tz = cctz::utc_time_zone(); - while (state.KeepRunning()) { - benchmark::DoNotOptimize( - cctz::convert(cctz::civil_second(2014, 12, 18, 20, 16, 18), tz)); - } -} -BENCHMARK(BM_Time_FromCivilUTC_CCTZ); - -// There is no BM_Time_FromCivilUTC_Libc. - -void BM_Time_FromCivilDay0_CCTZ(benchmark::State& state) { - const cctz::time_zone tz = TestTimeZone(); - int i = 0; - while (state.KeepRunning()) { - if ((i++ & 1) == 0) { - benchmark::DoNotOptimize( - cctz::convert(cctz::civil_second(2014, 12, 0, 20, 16, 18), tz)); - } else { - benchmark::DoNotOptimize( - cctz::convert(cctz::civil_second(2013, 11, 0, 18, 30, 27), tz)); - } - } -} -BENCHMARK(BM_Time_FromCivilDay0_CCTZ); - -void BM_Time_FromCivilDay0_Libc(benchmark::State& state) { - // No timezone support, so just use localtime. - int i = 0; - while (state.KeepRunning()) { - struct tm tm; - if ((i++ & 1) == 0) { - tm.tm_year = 2014 - 1900; - tm.tm_mon = 12 - 1; - tm.tm_mday = 0; - tm.tm_hour = 20; - tm.tm_min = 16; - tm.tm_sec = 18; - } else { - tm.tm_year = 2013 - 1900; - tm.tm_mon = 11 - 1; - tm.tm_mday = 0; - tm.tm_hour = 18; - tm.tm_min = 30; - tm.tm_sec = 27; - } - tm.tm_isdst = -1; - benchmark::DoNotOptimize(mktime(&tm)); - } -} -BENCHMARK(BM_Time_FromCivilDay0_Libc); - -const char* const kFormats[] = { - RFC1123_full, // 0 - RFC1123_no_wday, // 1 - RFC3339_full, // 2 - RFC3339_sec, // 3 - "%Y-%m-%d%ET%H:%M:%S", // 4 - "%Y-%m-%d", // 5 -}; -const int kNumFormats = sizeof(kFormats) / sizeof(kFormats[0]); - -void BM_Format_FormatTime(benchmark::State& state) { - const std::string fmt = kFormats[state.range(0)]; - state.SetLabel(fmt); - const cctz::time_zone tz = TestTimeZone(); - const std::chrono::system_clock::time_point tp = - cctz::convert(cctz::civil_second(1977, 6, 28, 9, 8, 7), tz) + - std::chrono::microseconds(1); - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::format(fmt, tp, tz)); - } -} -BENCHMARK(BM_Format_FormatTime)->DenseRange(0, kNumFormats - 1); - -void BM_Format_ParseTime(benchmark::State& state) { - const std::string fmt = kFormats[state.range(0)]; - state.SetLabel(fmt); - const cctz::time_zone tz = TestTimeZone(); - std::chrono::system_clock::time_point tp = - cctz::convert(cctz::civil_second(1977, 6, 28, 9, 8, 7), tz) + - std::chrono::microseconds(1); - const std::string when = cctz::format(fmt, tp, tz); - while (state.KeepRunning()) { - benchmark::DoNotOptimize(cctz::parse(fmt, when, tz, &tp)); - } -} -BENCHMARK(BM_Format_ParseTime)->DenseRange(0, kNumFormats - 1); - -} // namespace diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/civil_time_detail.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/civil_time_detail.cc deleted file mode 100644 index 0b07e397e5..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/civil_time_detail.cc +++ /dev/null @@ -1,94 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "absl/time/internal/cctz/include/cctz/civil_time_detail.h" - -#include <iomanip> -#include <ostream> -#include <sstream> - -#include "absl/base/config.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { -namespace detail { - -// Output stream operators output a format matching YYYY-MM-DDThh:mm:ss, -// while omitting fields inferior to the type's alignment. For example, -// civil_day is formatted only as YYYY-MM-DD. -std::ostream& operator<<(std::ostream& os, const civil_year& y) { - std::stringstream ss; - ss << y.year(); // No padding. - return os << ss.str(); -} -std::ostream& operator<<(std::ostream& os, const civil_month& m) { - std::stringstream ss; - ss << civil_year(m) << '-'; - ss << std::setfill('0') << std::setw(2) << m.month(); - return os << ss.str(); -} -std::ostream& operator<<(std::ostream& os, const civil_day& d) { - std::stringstream ss; - ss << civil_month(d) << '-'; - ss << std::setfill('0') << std::setw(2) << d.day(); - return os << ss.str(); -} -std::ostream& operator<<(std::ostream& os, const civil_hour& h) { - std::stringstream ss; - ss << civil_day(h) << 'T'; - ss << std::setfill('0') << std::setw(2) << h.hour(); - return os << ss.str(); -} -std::ostream& operator<<(std::ostream& os, const civil_minute& m) { - std::stringstream ss; - ss << civil_hour(m) << ':'; - ss << std::setfill('0') << std::setw(2) << m.minute(); - return os << ss.str(); -} -std::ostream& operator<<(std::ostream& os, const civil_second& s) { - std::stringstream ss; - ss << civil_minute(s) << ':'; - ss << std::setfill('0') << std::setw(2) << s.second(); - return os << ss.str(); -} - -//////////////////////////////////////////////////////////////////////// - -std::ostream& operator<<(std::ostream& os, weekday wd) { - switch (wd) { - case weekday::monday: - return os << "Monday"; - case weekday::tuesday: - return os << "Tuesday"; - case weekday::wednesday: - return os << "Wednesday"; - case weekday::thursday: - return os << "Thursday"; - case weekday::friday: - return os << "Friday"; - case weekday::saturday: - return os << "Saturday"; - case weekday::sunday: - return os << "Sunday"; - } - return os; // Should never get here, but -Wreturn-type may warn without this. -} - -} // namespace detail -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/civil_time_test.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/civil_time_test.cc deleted file mode 100644 index a5a7123041..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/civil_time_test.cc +++ /dev/null @@ -1,1066 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "absl/time/internal/cctz/include/cctz/civil_time.h" - -#include <iomanip> -#include <limits> -#include <sstream> -#include <string> -#include <type_traits> - -#include "gtest/gtest.h" -#include "absl/base/config.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -template <typename T> -std::string Format(const T& t) { - std::stringstream ss; - ss << t; - return ss.str(); -} - -} // namespace - -#if __cpp_constexpr >= 201304 || (defined(_MSC_VER) && _MSC_VER >= 1910) -// Construction constexpr tests - -TEST(CivilTime, Normal) { - constexpr civil_second css(2016, 1, 28, 17, 14, 12); - static_assert(css.second() == 12, "Normal.second"); - constexpr civil_minute cmm(2016, 1, 28, 17, 14); - static_assert(cmm.minute() == 14, "Normal.minute"); - constexpr civil_hour chh(2016, 1, 28, 17); - static_assert(chh.hour() == 17, "Normal.hour"); - constexpr civil_day cd(2016, 1, 28); - static_assert(cd.day() == 28, "Normal.day"); - constexpr civil_month cm(2016, 1); - static_assert(cm.month() == 1, "Normal.month"); - constexpr civil_year cy(2016); - static_assert(cy.year() == 2016, "Normal.year"); -} - -TEST(CivilTime, Conversion) { - constexpr civil_year cy(2016); - static_assert(cy.year() == 2016, "Conversion.year"); - constexpr civil_month cm(cy); - static_assert(cm.month() == 1, "Conversion.month"); - constexpr civil_day cd(cm); - static_assert(cd.day() == 1, "Conversion.day"); - constexpr civil_hour chh(cd); - static_assert(chh.hour() == 0, "Conversion.hour"); - constexpr civil_minute cmm(chh); - static_assert(cmm.minute() == 0, "Conversion.minute"); - constexpr civil_second css(cmm); - static_assert(css.second() == 0, "Conversion.second"); -} - -// Normalization constexpr tests - -TEST(CivilTime, Normalized) { - constexpr civil_second cs(2016, 1, 28, 17, 14, 12); - static_assert(cs.year() == 2016, "Normalized.year"); - static_assert(cs.month() == 1, "Normalized.month"); - static_assert(cs.day() == 28, "Normalized.day"); - static_assert(cs.hour() == 17, "Normalized.hour"); - static_assert(cs.minute() == 14, "Normalized.minute"); - static_assert(cs.second() == 12, "Normalized.second"); -} - -TEST(CivilTime, SecondOverflow) { - constexpr civil_second cs(2016, 1, 28, 17, 14, 121); - static_assert(cs.year() == 2016, "SecondOverflow.year"); - static_assert(cs.month() == 1, "SecondOverflow.month"); - static_assert(cs.day() == 28, "SecondOverflow.day"); - static_assert(cs.hour() == 17, "SecondOverflow.hour"); - static_assert(cs.minute() == 16, "SecondOverflow.minute"); - static_assert(cs.second() == 1, "SecondOverflow.second"); -} - -TEST(CivilTime, SecondUnderflow) { - constexpr civil_second cs(2016, 1, 28, 17, 14, -121); - static_assert(cs.year() == 2016, "SecondUnderflow.year"); - static_assert(cs.month() == 1, "SecondUnderflow.month"); - static_assert(cs.day() == 28, "SecondUnderflow.day"); - static_assert(cs.hour() == 17, "SecondUnderflow.hour"); - static_assert(cs.minute() == 11, "SecondUnderflow.minute"); - static_assert(cs.second() == 59, "SecondUnderflow.second"); -} - -TEST(CivilTime, MinuteOverflow) { - constexpr civil_second cs(2016, 1, 28, 17, 121, 12); - static_assert(cs.year() == 2016, "MinuteOverflow.year"); - static_assert(cs.month() == 1, "MinuteOverflow.month"); - static_assert(cs.day() == 28, "MinuteOverflow.day"); - static_assert(cs.hour() == 19, "MinuteOverflow.hour"); - static_assert(cs.minute() == 1, "MinuteOverflow.minute"); - static_assert(cs.second() == 12, "MinuteOverflow.second"); -} - -TEST(CivilTime, MinuteUnderflow) { - constexpr civil_second cs(2016, 1, 28, 17, -121, 12); - static_assert(cs.year() == 2016, "MinuteUnderflow.year"); - static_assert(cs.month() == 1, "MinuteUnderflow.month"); - static_assert(cs.day() == 28, "MinuteUnderflow.day"); - static_assert(cs.hour() == 14, "MinuteUnderflow.hour"); - static_assert(cs.minute() == 59, "MinuteUnderflow.minute"); - static_assert(cs.second() == 12, "MinuteUnderflow.second"); -} - -TEST(CivilTime, HourOverflow) { - constexpr civil_second cs(2016, 1, 28, 49, 14, 12); - static_assert(cs.year() == 2016, "HourOverflow.year"); - static_assert(cs.month() == 1, "HourOverflow.month"); - static_assert(cs.day() == 30, "HourOverflow.day"); - static_assert(cs.hour() == 1, "HourOverflow.hour"); - static_assert(cs.minute() == 14, "HourOverflow.minute"); - static_assert(cs.second() == 12, "HourOverflow.second"); -} - -TEST(CivilTime, HourUnderflow) { - constexpr civil_second cs(2016, 1, 28, -49, 14, 12); - static_assert(cs.year() == 2016, "HourUnderflow.year"); - static_assert(cs.month() == 1, "HourUnderflow.month"); - static_assert(cs.day() == 25, "HourUnderflow.day"); - static_assert(cs.hour() == 23, "HourUnderflow.hour"); - static_assert(cs.minute() == 14, "HourUnderflow.minute"); - static_assert(cs.second() == 12, "HourUnderflow.second"); -} - -TEST(CivilTime, MonthOverflow) { - constexpr civil_second cs(2016, 25, 28, 17, 14, 12); - static_assert(cs.year() == 2018, "MonthOverflow.year"); - static_assert(cs.month() == 1, "MonthOverflow.month"); - static_assert(cs.day() == 28, "MonthOverflow.day"); - static_assert(cs.hour() == 17, "MonthOverflow.hour"); - static_assert(cs.minute() == 14, "MonthOverflow.minute"); - static_assert(cs.second() == 12, "MonthOverflow.second"); -} - -TEST(CivilTime, MonthUnderflow) { - constexpr civil_second cs(2016, -25, 28, 17, 14, 12); - static_assert(cs.year() == 2013, "MonthUnderflow.year"); - static_assert(cs.month() == 11, "MonthUnderflow.month"); - static_assert(cs.day() == 28, "MonthUnderflow.day"); - static_assert(cs.hour() == 17, "MonthUnderflow.hour"); - static_assert(cs.minute() == 14, "MonthUnderflow.minute"); - static_assert(cs.second() == 12, "MonthUnderflow.second"); -} - -TEST(CivilTime, C4Overflow) { - constexpr civil_second cs(2016, 1, 292195, 17, 14, 12); - static_assert(cs.year() == 2816, "C4Overflow.year"); - static_assert(cs.month() == 1, "C4Overflow.month"); - static_assert(cs.day() == 1, "C4Overflow.day"); - static_assert(cs.hour() == 17, "C4Overflow.hour"); - static_assert(cs.minute() == 14, "C4Overflow.minute"); - static_assert(cs.second() == 12, "C4Overflow.second"); -} - -TEST(CivilTime, C4Underflow) { - constexpr civil_second cs(2016, 1, -292195, 17, 14, 12); - static_assert(cs.year() == 1215, "C4Underflow.year"); - static_assert(cs.month() == 12, "C4Underflow.month"); - static_assert(cs.day() == 30, "C4Underflow.day"); - static_assert(cs.hour() == 17, "C4Underflow.hour"); - static_assert(cs.minute() == 14, "C4Underflow.minute"); - static_assert(cs.second() == 12, "C4Underflow.second"); -} - -TEST(CivilTime, MixedNormalization) { - constexpr civil_second cs(2016, -42, 122, 99, -147, 4949); - static_assert(cs.year() == 2012, "MixedNormalization.year"); - static_assert(cs.month() == 10, "MixedNormalization.month"); - static_assert(cs.day() == 4, "MixedNormalization.day"); - static_assert(cs.hour() == 1, "MixedNormalization.hour"); - static_assert(cs.minute() == 55, "MixedNormalization.minute"); - static_assert(cs.second() == 29, "MixedNormalization.second"); -} - -// Relational constexpr tests - -TEST(CivilTime, Less) { - constexpr civil_second cs1(2016, 1, 28, 17, 14, 12); - constexpr civil_second cs2(2016, 1, 28, 17, 14, 13); - constexpr bool less = cs1 < cs2; - static_assert(less, "Less"); -} - -// Arithmetic constexpr tests - -TEST(CivilTime, Addition) { - constexpr civil_second cs1(2016, 1, 28, 17, 14, 12); - constexpr civil_second cs2 = cs1 + 50; - static_assert(cs2.year() == 2016, "Addition.year"); - static_assert(cs2.month() == 1, "Addition.month"); - static_assert(cs2.day() == 28, "Addition.day"); - static_assert(cs2.hour() == 17, "Addition.hour"); - static_assert(cs2.minute() == 15, "Addition.minute"); - static_assert(cs2.second() == 2, "Addition.second"); -} - -TEST(CivilTime, Subtraction) { - constexpr civil_second cs1(2016, 1, 28, 17, 14, 12); - constexpr civil_second cs2 = cs1 - 50; - static_assert(cs2.year() == 2016, "Subtraction.year"); - static_assert(cs2.month() == 1, "Subtraction.month"); - static_assert(cs2.day() == 28, "Subtraction.day"); - static_assert(cs2.hour() == 17, "Subtraction.hour"); - static_assert(cs2.minute() == 13, "Subtraction.minute"); - static_assert(cs2.second() == 22, "Subtraction.second"); -} - -TEST(CivilTime, Difference) { - constexpr civil_day cd1(2016, 1, 28); - constexpr civil_day cd2(2015, 1, 28); - constexpr int diff = cd1 - cd2; - static_assert(diff == 365, "Difference"); -} - -// NOTE: Run this with --copt=-ftrapv to detect overflow problems. -TEST(CivilTime, ConstructionWithHugeYear) { - constexpr civil_hour h(-9223372036854775807, 1, 1, -1); - static_assert(h.year() == -9223372036854775807 - 1, - "ConstructionWithHugeYear"); - static_assert(h.month() == 12, "ConstructionWithHugeYear"); - static_assert(h.day() == 31, "ConstructionWithHugeYear"); - static_assert(h.hour() == 23, "ConstructionWithHugeYear"); -} - -// NOTE: Run this with --copt=-ftrapv to detect overflow problems. -TEST(CivilTime, DifferenceWithHugeYear) { - { - constexpr civil_day d1(9223372036854775807, 1, 1); - constexpr civil_day d2(9223372036854775807, 12, 31); - static_assert(d2 - d1 == 364, "DifferenceWithHugeYear"); - } - { - constexpr civil_day d1(-9223372036854775807 - 1, 1, 1); - constexpr civil_day d2(-9223372036854775807 - 1, 12, 31); - static_assert(d2 - d1 == 365, "DifferenceWithHugeYear"); - } - { - // Check the limits of the return value at the end of the year range. - constexpr civil_day d1(9223372036854775807, 1, 1); - constexpr civil_day d2(9198119301927009252, 6, 6); - static_assert(d1 - d2 == 9223372036854775807, "DifferenceWithHugeYear"); - static_assert((d2 - 1) - d1 == -9223372036854775807 - 1, - "DifferenceWithHugeYear"); - } - { - // Check the limits of the return value at the start of the year range. - constexpr civil_day d1(-9223372036854775807 - 1, 1, 1); - constexpr civil_day d2(-9198119301927009254, 7, 28); - static_assert(d2 - d1 == 9223372036854775807, "DifferenceWithHugeYear"); - static_assert(d1 - (d2 + 1) == -9223372036854775807 - 1, - "DifferenceWithHugeYear"); - } - { - // Check the limits of the return value from either side of year 0. - constexpr civil_day d1(-12626367463883278, 9, 3); - constexpr civil_day d2(12626367463883277, 3, 28); - static_assert(d2 - d1 == 9223372036854775807, "DifferenceWithHugeYear"); - static_assert(d1 - (d2 + 1) == -9223372036854775807 - 1, - "DifferenceWithHugeYear"); - } -} - -// NOTE: Run this with --copt=-ftrapv to detect overflow problems. -TEST(CivilTime, DifferenceNoIntermediateOverflow) { - { - // The difference up to the minute field would be below the minimum - // diff_t, but the 52 extra seconds brings us back to the minimum. - constexpr civil_second s1(-292277022657, 1, 27, 8, 29 - 1, 52); - constexpr civil_second s2(1970, 1, 1, 0, 0 - 1, 0); - static_assert(s1 - s2 == -9223372036854775807 - 1, - "DifferenceNoIntermediateOverflow"); - } - { - // The difference up to the minute field would be above the maximum - // diff_t, but the -53 extra seconds brings us back to the maximum. - constexpr civil_second s1(292277026596, 12, 4, 15, 30, 7 - 7); - constexpr civil_second s2(1970, 1, 1, 0, 0, 0 - 7); - static_assert(s1 - s2 == 9223372036854775807, - "DifferenceNoIntermediateOverflow"); - } -} - -// Helper constexpr tests - -TEST(CivilTime, WeekDay) { - constexpr civil_day cd(2016, 1, 28); - constexpr weekday wd = get_weekday(cd); - static_assert(wd == weekday::thursday, "Weekday"); -} - -TEST(CivilTime, NextWeekDay) { - constexpr civil_day cd(2016, 1, 28); - constexpr civil_day next = next_weekday(cd, weekday::thursday); - static_assert(next.year() == 2016, "NextWeekDay.year"); - static_assert(next.month() == 2, "NextWeekDay.month"); - static_assert(next.day() == 4, "NextWeekDay.day"); -} - -TEST(CivilTime, PrevWeekDay) { - constexpr civil_day cd(2016, 1, 28); - constexpr civil_day prev = prev_weekday(cd, weekday::thursday); - static_assert(prev.year() == 2016, "PrevWeekDay.year"); - static_assert(prev.month() == 1, "PrevWeekDay.month"); - static_assert(prev.day() == 21, "PrevWeekDay.day"); -} - -TEST(CivilTime, YearDay) { - constexpr civil_day cd(2016, 1, 28); - constexpr int yd = get_yearday(cd); - static_assert(yd == 28, "YearDay"); -} -#endif // __cpp_constexpr >= 201304 || (defined(_MSC_VER) && _MSC_VER >= 1910) - -// The remaining tests do not use constexpr. - -TEST(CivilTime, DefaultConstruction) { - civil_second ss; - EXPECT_EQ("1970-01-01T00:00:00", Format(ss)); - - civil_minute mm; - EXPECT_EQ("1970-01-01T00:00", Format(mm)); - - civil_hour hh; - EXPECT_EQ("1970-01-01T00", Format(hh)); - - civil_day d; - EXPECT_EQ("1970-01-01", Format(d)); - - civil_month m; - EXPECT_EQ("1970-01", Format(m)); - - civil_year y; - EXPECT_EQ("1970", Format(y)); -} - -TEST(CivilTime, StructMember) { - struct S { - civil_day day; - }; - S s = {}; - EXPECT_EQ(civil_day{}, s.day); -} - -TEST(CivilTime, FieldsConstruction) { - EXPECT_EQ("2015-01-02T03:04:05", Format(civil_second(2015, 1, 2, 3, 4, 5))); - EXPECT_EQ("2015-01-02T03:04:00", Format(civil_second(2015, 1, 2, 3, 4))); - EXPECT_EQ("2015-01-02T03:00:00", Format(civil_second(2015, 1, 2, 3))); - EXPECT_EQ("2015-01-02T00:00:00", Format(civil_second(2015, 1, 2))); - EXPECT_EQ("2015-01-01T00:00:00", Format(civil_second(2015, 1))); - EXPECT_EQ("2015-01-01T00:00:00", Format(civil_second(2015))); - - EXPECT_EQ("2015-01-02T03:04", Format(civil_minute(2015, 1, 2, 3, 4, 5))); - EXPECT_EQ("2015-01-02T03:04", Format(civil_minute(2015, 1, 2, 3, 4))); - EXPECT_EQ("2015-01-02T03:00", Format(civil_minute(2015, 1, 2, 3))); - EXPECT_EQ("2015-01-02T00:00", Format(civil_minute(2015, 1, 2))); - EXPECT_EQ("2015-01-01T00:00", Format(civil_minute(2015, 1))); - EXPECT_EQ("2015-01-01T00:00", Format(civil_minute(2015))); - - EXPECT_EQ("2015-01-02T03", Format(civil_hour(2015, 1, 2, 3, 4, 5))); - EXPECT_EQ("2015-01-02T03", Format(civil_hour(2015, 1, 2, 3, 4))); - EXPECT_EQ("2015-01-02T03", Format(civil_hour(2015, 1, 2, 3))); - EXPECT_EQ("2015-01-02T00", Format(civil_hour(2015, 1, 2))); - EXPECT_EQ("2015-01-01T00", Format(civil_hour(2015, 1))); - EXPECT_EQ("2015-01-01T00", Format(civil_hour(2015))); - - EXPECT_EQ("2015-01-02", Format(civil_day(2015, 1, 2, 3, 4, 5))); - EXPECT_EQ("2015-01-02", Format(civil_day(2015, 1, 2, 3, 4))); - EXPECT_EQ("2015-01-02", Format(civil_day(2015, 1, 2, 3))); - EXPECT_EQ("2015-01-02", Format(civil_day(2015, 1, 2))); - EXPECT_EQ("2015-01-01", Format(civil_day(2015, 1))); - EXPECT_EQ("2015-01-01", Format(civil_day(2015))); - - EXPECT_EQ("2015-01", Format(civil_month(2015, 1, 2, 3, 4, 5))); - EXPECT_EQ("2015-01", Format(civil_month(2015, 1, 2, 3, 4))); - EXPECT_EQ("2015-01", Format(civil_month(2015, 1, 2, 3))); - EXPECT_EQ("2015-01", Format(civil_month(2015, 1, 2))); - EXPECT_EQ("2015-01", Format(civil_month(2015, 1))); - EXPECT_EQ("2015-01", Format(civil_month(2015))); - - EXPECT_EQ("2015", Format(civil_year(2015, 1, 2, 3, 4, 5))); - EXPECT_EQ("2015", Format(civil_year(2015, 1, 2, 3, 4))); - EXPECT_EQ("2015", Format(civil_year(2015, 1, 2, 3))); - EXPECT_EQ("2015", Format(civil_year(2015, 1, 2))); - EXPECT_EQ("2015", Format(civil_year(2015, 1))); - EXPECT_EQ("2015", Format(civil_year(2015))); -} - -TEST(CivilTime, FieldsConstructionLimits) { - const int kIntMax = std::numeric_limits<int>::max(); - EXPECT_EQ("2038-01-19T03:14:07", - Format(civil_second(1970, 1, 1, 0, 0, kIntMax))); - EXPECT_EQ("6121-02-11T05:21:07", - Format(civil_second(1970, 1, 1, 0, kIntMax, kIntMax))); - EXPECT_EQ("251104-11-20T12:21:07", - Format(civil_second(1970, 1, 1, kIntMax, kIntMax, kIntMax))); - EXPECT_EQ("6130715-05-30T12:21:07", - Format(civil_second(1970, 1, kIntMax, kIntMax, kIntMax, kIntMax))); - EXPECT_EQ( - "185087685-11-26T12:21:07", - Format(civil_second(1970, kIntMax, kIntMax, kIntMax, kIntMax, kIntMax))); - - const int kIntMin = std::numeric_limits<int>::min(); - EXPECT_EQ("1901-12-13T20:45:52", - Format(civil_second(1970, 1, 1, 0, 0, kIntMin))); - EXPECT_EQ("-2182-11-20T18:37:52", - Format(civil_second(1970, 1, 1, 0, kIntMin, kIntMin))); - EXPECT_EQ("-247165-02-11T10:37:52", - Format(civil_second(1970, 1, 1, kIntMin, kIntMin, kIntMin))); - EXPECT_EQ("-6126776-08-01T10:37:52", - Format(civil_second(1970, 1, kIntMin, kIntMin, kIntMin, kIntMin))); - EXPECT_EQ( - "-185083747-10-31T10:37:52", - Format(civil_second(1970, kIntMin, kIntMin, kIntMin, kIntMin, kIntMin))); -} - -TEST(CivilTime, ImplicitCrossAlignment) { - civil_year year(2015); - civil_month month = year; - civil_day day = month; - civil_hour hour = day; - civil_minute minute = hour; - civil_second second = minute; - - second = year; - EXPECT_EQ(second, year); - second = month; - EXPECT_EQ(second, month); - second = day; - EXPECT_EQ(second, day); - second = hour; - EXPECT_EQ(second, hour); - second = minute; - EXPECT_EQ(second, minute); - - minute = year; - EXPECT_EQ(minute, year); - minute = month; - EXPECT_EQ(minute, month); - minute = day; - EXPECT_EQ(minute, day); - minute = hour; - EXPECT_EQ(minute, hour); - - hour = year; - EXPECT_EQ(hour, year); - hour = month; - EXPECT_EQ(hour, month); - hour = day; - EXPECT_EQ(hour, day); - - day = year; - EXPECT_EQ(day, year); - day = month; - EXPECT_EQ(day, month); - - month = year; - EXPECT_EQ(month, year); - - // Ensures unsafe conversions are not allowed. - EXPECT_FALSE((std::is_convertible<civil_second, civil_minute>::value)); - EXPECT_FALSE((std::is_convertible<civil_second, civil_hour>::value)); - EXPECT_FALSE((std::is_convertible<civil_second, civil_day>::value)); - EXPECT_FALSE((std::is_convertible<civil_second, civil_month>::value)); - EXPECT_FALSE((std::is_convertible<civil_second, civil_year>::value)); - - EXPECT_FALSE((std::is_convertible<civil_minute, civil_hour>::value)); - EXPECT_FALSE((std::is_convertible<civil_minute, civil_day>::value)); - EXPECT_FALSE((std::is_convertible<civil_minute, civil_month>::value)); - EXPECT_FALSE((std::is_convertible<civil_minute, civil_year>::value)); - - EXPECT_FALSE((std::is_convertible<civil_hour, civil_day>::value)); - EXPECT_FALSE((std::is_convertible<civil_hour, civil_month>::value)); - EXPECT_FALSE((std::is_convertible<civil_hour, civil_year>::value)); - - EXPECT_FALSE((std::is_convertible<civil_day, civil_month>::value)); - EXPECT_FALSE((std::is_convertible<civil_day, civil_year>::value)); - - EXPECT_FALSE((std::is_convertible<civil_month, civil_year>::value)); -} - -TEST(CivilTime, ExplicitCrossAlignment) { - // - // Assign from smaller units -> larger units - // - - civil_second second(2015, 1, 2, 3, 4, 5); - EXPECT_EQ("2015-01-02T03:04:05", Format(second)); - - civil_minute minute(second); - EXPECT_EQ("2015-01-02T03:04", Format(minute)); - - civil_hour hour(minute); - EXPECT_EQ("2015-01-02T03", Format(hour)); - - civil_day day(hour); - EXPECT_EQ("2015-01-02", Format(day)); - - civil_month month(day); - EXPECT_EQ("2015-01", Format(month)); - - civil_year year(month); - EXPECT_EQ("2015", Format(year)); - - // - // Now assign from larger units -> smaller units - // - - month = civil_month(year); - EXPECT_EQ("2015-01", Format(month)); - - day = civil_day(month); - EXPECT_EQ("2015-01-01", Format(day)); - - hour = civil_hour(day); - EXPECT_EQ("2015-01-01T00", Format(hour)); - - minute = civil_minute(hour); - EXPECT_EQ("2015-01-01T00:00", Format(minute)); - - second = civil_second(minute); - EXPECT_EQ("2015-01-01T00:00:00", Format(second)); -} - -// Metafunction to test whether difference is allowed between two types. -template <typename T1, typename T2> -struct HasDifference { - template <typename U1, typename U2> - static std::false_type test(...); - template <typename U1, typename U2> - static std::true_type test(decltype(std::declval<U1>() - std::declval<U2>())); - static constexpr bool value = decltype(test<T1, T2>(0))::value; -}; - -TEST(CivilTime, DisallowCrossAlignedDifference) { - // Difference is allowed between types with the same alignment. - static_assert(HasDifference<civil_second, civil_second>::value, ""); - static_assert(HasDifference<civil_minute, civil_minute>::value, ""); - static_assert(HasDifference<civil_hour, civil_hour>::value, ""); - static_assert(HasDifference<civil_day, civil_day>::value, ""); - static_assert(HasDifference<civil_month, civil_month>::value, ""); - static_assert(HasDifference<civil_year, civil_year>::value, ""); - - // Difference is disallowed between types with different alignments. - static_assert(!HasDifference<civil_second, civil_minute>::value, ""); - static_assert(!HasDifference<civil_second, civil_hour>::value, ""); - static_assert(!HasDifference<civil_second, civil_day>::value, ""); - static_assert(!HasDifference<civil_second, civil_month>::value, ""); - static_assert(!HasDifference<civil_second, civil_year>::value, ""); - - static_assert(!HasDifference<civil_minute, civil_hour>::value, ""); - static_assert(!HasDifference<civil_minute, civil_day>::value, ""); - static_assert(!HasDifference<civil_minute, civil_month>::value, ""); - static_assert(!HasDifference<civil_minute, civil_year>::value, ""); - - static_assert(!HasDifference<civil_hour, civil_day>::value, ""); - static_assert(!HasDifference<civil_hour, civil_month>::value, ""); - static_assert(!HasDifference<civil_hour, civil_year>::value, ""); - - static_assert(!HasDifference<civil_day, civil_month>::value, ""); - static_assert(!HasDifference<civil_day, civil_year>::value, ""); - - static_assert(!HasDifference<civil_month, civil_year>::value, ""); -} - -TEST(CivilTime, ValueSemantics) { - const civil_hour a(2015, 1, 2, 3); - const civil_hour b = a; - const civil_hour c(b); - civil_hour d; - d = c; - EXPECT_EQ("2015-01-02T03", Format(d)); -} - -TEST(CivilTime, Relational) { - // Tests that the alignment unit is ignored in comparison. - const civil_year year(2014); - const civil_month month(year); - EXPECT_EQ(year, month); - -#define TEST_RELATIONAL(OLDER, YOUNGER) \ - do { \ - EXPECT_FALSE(OLDER < OLDER); \ - EXPECT_FALSE(OLDER > OLDER); \ - EXPECT_TRUE(OLDER >= OLDER); \ - EXPECT_TRUE(OLDER <= OLDER); \ - EXPECT_FALSE(YOUNGER < YOUNGER); \ - EXPECT_FALSE(YOUNGER > YOUNGER); \ - EXPECT_TRUE(YOUNGER >= YOUNGER); \ - EXPECT_TRUE(YOUNGER <= YOUNGER); \ - EXPECT_EQ(OLDER, OLDER); \ - EXPECT_NE(OLDER, YOUNGER); \ - EXPECT_LT(OLDER, YOUNGER); \ - EXPECT_LE(OLDER, YOUNGER); \ - EXPECT_GT(YOUNGER, OLDER); \ - EXPECT_GE(YOUNGER, OLDER); \ - } while (0) - - // Alignment is ignored in comparison (verified above), so kSecond is used - // to test comparison in all field positions. - TEST_RELATIONAL(civil_second(2014, 1, 1, 0, 0, 0), - civil_second(2015, 1, 1, 0, 0, 0)); - TEST_RELATIONAL(civil_second(2014, 1, 1, 0, 0, 0), - civil_second(2014, 2, 1, 0, 0, 0)); - TEST_RELATIONAL(civil_second(2014, 1, 1, 0, 0, 0), - civil_second(2014, 1, 2, 0, 0, 0)); - TEST_RELATIONAL(civil_second(2014, 1, 1, 0, 0, 0), - civil_second(2014, 1, 1, 1, 0, 0)); - TEST_RELATIONAL(civil_second(2014, 1, 1, 1, 0, 0), - civil_second(2014, 1, 1, 1, 1, 0)); - TEST_RELATIONAL(civil_second(2014, 1, 1, 1, 1, 0), - civil_second(2014, 1, 1, 1, 1, 1)); - - // Tests the relational operators of two different civil-time types. - TEST_RELATIONAL(civil_day(2014, 1, 1), civil_minute(2014, 1, 1, 1, 1)); - TEST_RELATIONAL(civil_day(2014, 1, 1), civil_month(2014, 2)); - -#undef TEST_RELATIONAL -} - -TEST(CivilTime, Arithmetic) { - civil_second second(2015, 1, 2, 3, 4, 5); - EXPECT_EQ("2015-01-02T03:04:06", Format(second += 1)); - EXPECT_EQ("2015-01-02T03:04:07", Format(second + 1)); - EXPECT_EQ("2015-01-02T03:04:08", Format(2 + second)); - EXPECT_EQ("2015-01-02T03:04:05", Format(second - 1)); - EXPECT_EQ("2015-01-02T03:04:05", Format(second -= 1)); - EXPECT_EQ("2015-01-02T03:04:05", Format(second++)); - EXPECT_EQ("2015-01-02T03:04:07", Format(++second)); - EXPECT_EQ("2015-01-02T03:04:07", Format(second--)); - EXPECT_EQ("2015-01-02T03:04:05", Format(--second)); - - civil_minute minute(2015, 1, 2, 3, 4); - EXPECT_EQ("2015-01-02T03:05", Format(minute += 1)); - EXPECT_EQ("2015-01-02T03:06", Format(minute + 1)); - EXPECT_EQ("2015-01-02T03:07", Format(2 + minute)); - EXPECT_EQ("2015-01-02T03:04", Format(minute - 1)); - EXPECT_EQ("2015-01-02T03:04", Format(minute -= 1)); - EXPECT_EQ("2015-01-02T03:04", Format(minute++)); - EXPECT_EQ("2015-01-02T03:06", Format(++minute)); - EXPECT_EQ("2015-01-02T03:06", Format(minute--)); - EXPECT_EQ("2015-01-02T03:04", Format(--minute)); - - civil_hour hour(2015, 1, 2, 3); - EXPECT_EQ("2015-01-02T04", Format(hour += 1)); - EXPECT_EQ("2015-01-02T05", Format(hour + 1)); - EXPECT_EQ("2015-01-02T06", Format(2 + hour)); - EXPECT_EQ("2015-01-02T03", Format(hour - 1)); - EXPECT_EQ("2015-01-02T03", Format(hour -= 1)); - EXPECT_EQ("2015-01-02T03", Format(hour++)); - EXPECT_EQ("2015-01-02T05", Format(++hour)); - EXPECT_EQ("2015-01-02T05", Format(hour--)); - EXPECT_EQ("2015-01-02T03", Format(--hour)); - - civil_day day(2015, 1, 2); - EXPECT_EQ("2015-01-03", Format(day += 1)); - EXPECT_EQ("2015-01-04", Format(day + 1)); - EXPECT_EQ("2015-01-05", Format(2 + day)); - EXPECT_EQ("2015-01-02", Format(day - 1)); - EXPECT_EQ("2015-01-02", Format(day -= 1)); - EXPECT_EQ("2015-01-02", Format(day++)); - EXPECT_EQ("2015-01-04", Format(++day)); - EXPECT_EQ("2015-01-04", Format(day--)); - EXPECT_EQ("2015-01-02", Format(--day)); - - civil_month month(2015, 1); - EXPECT_EQ("2015-02", Format(month += 1)); - EXPECT_EQ("2015-03", Format(month + 1)); - EXPECT_EQ("2015-04", Format(2 + month)); - EXPECT_EQ("2015-01", Format(month - 1)); - EXPECT_EQ("2015-01", Format(month -= 1)); - EXPECT_EQ("2015-01", Format(month++)); - EXPECT_EQ("2015-03", Format(++month)); - EXPECT_EQ("2015-03", Format(month--)); - EXPECT_EQ("2015-01", Format(--month)); - - civil_year year(2015); - EXPECT_EQ("2016", Format(year += 1)); - EXPECT_EQ("2017", Format(year + 1)); - EXPECT_EQ("2018", Format(2 + year)); - EXPECT_EQ("2015", Format(year - 1)); - EXPECT_EQ("2015", Format(year -= 1)); - EXPECT_EQ("2015", Format(year++)); - EXPECT_EQ("2017", Format(++year)); - EXPECT_EQ("2017", Format(year--)); - EXPECT_EQ("2015", Format(--year)); -} - -TEST(CivilTime, ArithmeticLimits) { - const int kIntMax = std::numeric_limits<int>::max(); - const int kIntMin = std::numeric_limits<int>::min(); - - civil_second second(1970, 1, 1, 0, 0, 0); - second += kIntMax; - EXPECT_EQ("2038-01-19T03:14:07", Format(second)); - second -= kIntMax; - EXPECT_EQ("1970-01-01T00:00:00", Format(second)); - second += kIntMin; - EXPECT_EQ("1901-12-13T20:45:52", Format(second)); - second -= kIntMin; - EXPECT_EQ("1970-01-01T00:00:00", Format(second)); - - civil_minute minute(1970, 1, 1, 0, 0); - minute += kIntMax; - EXPECT_EQ("6053-01-23T02:07", Format(minute)); - minute -= kIntMax; - EXPECT_EQ("1970-01-01T00:00", Format(minute)); - minute += kIntMin; - EXPECT_EQ("-2114-12-08T21:52", Format(minute)); - minute -= kIntMin; - EXPECT_EQ("1970-01-01T00:00", Format(minute)); - - civil_hour hour(1970, 1, 1, 0); - hour += kIntMax; - EXPECT_EQ("246953-10-09T07", Format(hour)); - hour -= kIntMax; - EXPECT_EQ("1970-01-01T00", Format(hour)); - hour += kIntMin; - EXPECT_EQ("-243014-03-24T16", Format(hour)); - hour -= kIntMin; - EXPECT_EQ("1970-01-01T00", Format(hour)); - - civil_day day(1970, 1, 1); - day += kIntMax; - EXPECT_EQ("5881580-07-11", Format(day)); - day -= kIntMax; - EXPECT_EQ("1970-01-01", Format(day)); - day += kIntMin; - EXPECT_EQ("-5877641-06-23", Format(day)); - day -= kIntMin; - EXPECT_EQ("1970-01-01", Format(day)); - - civil_month month(1970, 1); - month += kIntMax; - EXPECT_EQ("178958940-08", Format(month)); - month -= kIntMax; - EXPECT_EQ("1970-01", Format(month)); - month += kIntMin; - EXPECT_EQ("-178955001-05", Format(month)); - month -= kIntMin; - EXPECT_EQ("1970-01", Format(month)); - - civil_year year(0); - year += kIntMax; - EXPECT_EQ("2147483647", Format(year)); - year -= kIntMax; - EXPECT_EQ("0", Format(year)); - year += kIntMin; - EXPECT_EQ("-2147483648", Format(year)); - year -= kIntMin; - EXPECT_EQ("0", Format(year)); -} - -TEST(CivilTime, ArithmeticDifference) { - civil_second second(2015, 1, 2, 3, 4, 5); - EXPECT_EQ(0, second - second); - EXPECT_EQ(10, (second + 10) - second); - EXPECT_EQ(-10, (second - 10) - second); - - civil_minute minute(2015, 1, 2, 3, 4); - EXPECT_EQ(0, minute - minute); - EXPECT_EQ(10, (minute + 10) - minute); - EXPECT_EQ(-10, (minute - 10) - minute); - - civil_hour hour(2015, 1, 2, 3); - EXPECT_EQ(0, hour - hour); - EXPECT_EQ(10, (hour + 10) - hour); - EXPECT_EQ(-10, (hour - 10) - hour); - - civil_day day(2015, 1, 2); - EXPECT_EQ(0, day - day); - EXPECT_EQ(10, (day + 10) - day); - EXPECT_EQ(-10, (day - 10) - day); - - civil_month month(2015, 1); - EXPECT_EQ(0, month - month); - EXPECT_EQ(10, (month + 10) - month); - EXPECT_EQ(-10, (month - 10) - month); - - civil_year year(2015); - EXPECT_EQ(0, year - year); - EXPECT_EQ(10, (year + 10) - year); - EXPECT_EQ(-10, (year - 10) - year); -} - -TEST(CivilTime, DifferenceLimits) { - const int kIntMax = std::numeric_limits<int>::max(); - const int kIntMin = std::numeric_limits<int>::min(); - - // Check day arithmetic at the end of the year range. - const civil_day max_day(kIntMax, 12, 31); - EXPECT_EQ(1, max_day - (max_day - 1)); - EXPECT_EQ(-1, (max_day - 1) - max_day); - - // Check day arithmetic at the end of the year range. - const civil_day min_day(kIntMin, 1, 1); - EXPECT_EQ(1, (min_day + 1) - min_day); - EXPECT_EQ(-1, min_day - (min_day + 1)); - - // Check the limits of the return value. - const civil_day d1(1970, 1, 1); - const civil_day d2(5881580, 7, 11); - EXPECT_EQ(kIntMax, d2 - d1); - EXPECT_EQ(kIntMin, d1 - (d2 + 1)); -} - -TEST(CivilTime, Properties) { - civil_second ss(2015, 2, 3, 4, 5, 6); - EXPECT_EQ(2015, ss.year()); - EXPECT_EQ(2, ss.month()); - EXPECT_EQ(3, ss.day()); - EXPECT_EQ(4, ss.hour()); - EXPECT_EQ(5, ss.minute()); - EXPECT_EQ(6, ss.second()); - EXPECT_EQ(weekday::tuesday, get_weekday(ss)); - EXPECT_EQ(34, get_yearday(ss)); - - civil_minute mm(2015, 2, 3, 4, 5, 6); - EXPECT_EQ(2015, mm.year()); - EXPECT_EQ(2, mm.month()); - EXPECT_EQ(3, mm.day()); - EXPECT_EQ(4, mm.hour()); - EXPECT_EQ(5, mm.minute()); - EXPECT_EQ(0, mm.second()); - EXPECT_EQ(weekday::tuesday, get_weekday(mm)); - EXPECT_EQ(34, get_yearday(mm)); - - civil_hour hh(2015, 2, 3, 4, 5, 6); - EXPECT_EQ(2015, hh.year()); - EXPECT_EQ(2, hh.month()); - EXPECT_EQ(3, hh.day()); - EXPECT_EQ(4, hh.hour()); - EXPECT_EQ(0, hh.minute()); - EXPECT_EQ(0, hh.second()); - EXPECT_EQ(weekday::tuesday, get_weekday(hh)); - EXPECT_EQ(34, get_yearday(hh)); - - civil_day d(2015, 2, 3, 4, 5, 6); - EXPECT_EQ(2015, d.year()); - EXPECT_EQ(2, d.month()); - EXPECT_EQ(3, d.day()); - EXPECT_EQ(0, d.hour()); - EXPECT_EQ(0, d.minute()); - EXPECT_EQ(0, d.second()); - EXPECT_EQ(weekday::tuesday, get_weekday(d)); - EXPECT_EQ(34, get_yearday(d)); - - civil_month m(2015, 2, 3, 4, 5, 6); - EXPECT_EQ(2015, m.year()); - EXPECT_EQ(2, m.month()); - EXPECT_EQ(1, m.day()); - EXPECT_EQ(0, m.hour()); - EXPECT_EQ(0, m.minute()); - EXPECT_EQ(0, m.second()); - EXPECT_EQ(weekday::sunday, get_weekday(m)); - EXPECT_EQ(32, get_yearday(m)); - - civil_year y(2015, 2, 3, 4, 5, 6); - EXPECT_EQ(2015, y.year()); - EXPECT_EQ(1, y.month()); - EXPECT_EQ(1, y.day()); - EXPECT_EQ(0, y.hour()); - EXPECT_EQ(0, y.minute()); - EXPECT_EQ(0, y.second()); - EXPECT_EQ(weekday::thursday, get_weekday(y)); - EXPECT_EQ(1, get_yearday(y)); -} - -TEST(CivilTime, OutputStream) { - // Tests formatting of civil_year, which does not pad. - EXPECT_EQ("2016", Format(civil_year(2016))); - EXPECT_EQ("123", Format(civil_year(123))); - EXPECT_EQ("0", Format(civil_year(0))); - EXPECT_EQ("-1", Format(civil_year(-1))); - - // Tests formatting of sub-year types, which pad to 2 digits - EXPECT_EQ("2016-02", Format(civil_month(2016, 2))); - EXPECT_EQ("2016-02-03", Format(civil_day(2016, 2, 3))); - EXPECT_EQ("2016-02-03T04", Format(civil_hour(2016, 2, 3, 4))); - EXPECT_EQ("2016-02-03T04:05", Format(civil_minute(2016, 2, 3, 4, 5))); - EXPECT_EQ("2016-02-03T04:05:06", Format(civil_second(2016, 2, 3, 4, 5, 6))); - - // Tests formatting of weekday. - EXPECT_EQ("Monday", Format(weekday::monday)); - EXPECT_EQ("Tuesday", Format(weekday::tuesday)); - EXPECT_EQ("Wednesday", Format(weekday::wednesday)); - EXPECT_EQ("Thursday", Format(weekday::thursday)); - EXPECT_EQ("Friday", Format(weekday::friday)); - EXPECT_EQ("Saturday", Format(weekday::saturday)); - EXPECT_EQ("Sunday", Format(weekday::sunday)); -} - -TEST(CivilTime, OutputStreamLeftFillWidth) { - civil_second cs(2016, 2, 3, 4, 5, 6); - { - std::stringstream ss; - ss << std::left << std::setfill('.'); - ss << std::setw(3) << 'X'; - ss << std::setw(21) << civil_year(cs); - ss << std::setw(3) << 'X'; - EXPECT_EQ("X..2016.................X..", ss.str()); - } - { - std::stringstream ss; - ss << std::left << std::setfill('.'); - ss << std::setw(3) << 'X'; - ss << std::setw(21) << civil_month(cs); - ss << std::setw(3) << 'X'; - EXPECT_EQ("X..2016-02..............X..", ss.str()); - } - { - std::stringstream ss; - ss << std::left << std::setfill('.'); - ss << std::setw(3) << 'X'; - ss << std::setw(21) << civil_day(cs); - ss << std::setw(3) << 'X'; - EXPECT_EQ("X..2016-02-03...........X..", ss.str()); - } - { - std::stringstream ss; - ss << std::left << std::setfill('.'); - ss << std::setw(3) << 'X'; - ss << std::setw(21) << civil_hour(cs); - ss << std::setw(3) << 'X'; - EXPECT_EQ("X..2016-02-03T04........X..", ss.str()); - } - { - std::stringstream ss; - ss << std::left << std::setfill('.'); - ss << std::setw(3) << 'X'; - ss << std::setw(21) << civil_minute(cs); - ss << std::setw(3) << 'X'; - EXPECT_EQ("X..2016-02-03T04:05.....X..", ss.str()); - } - { - std::stringstream ss; - ss << std::left << std::setfill('.'); - ss << std::setw(3) << 'X'; - ss << std::setw(21) << civil_second(cs); - ss << std::setw(3) << 'X'; - EXPECT_EQ("X..2016-02-03T04:05:06..X..", ss.str()); - } -} - -TEST(CivilTime, NextPrevWeekday) { - // Jan 1, 1970 was a Thursday. - const civil_day thursday(1970, 1, 1); - EXPECT_EQ(weekday::thursday, get_weekday(thursday)); - - // Thursday -> Thursday - civil_day d = next_weekday(thursday, weekday::thursday); - EXPECT_EQ(7, d - thursday) << Format(d); - EXPECT_EQ(d - 14, prev_weekday(thursday, weekday::thursday)); - - // Thursday -> Friday - d = next_weekday(thursday, weekday::friday); - EXPECT_EQ(1, d - thursday) << Format(d); - EXPECT_EQ(d - 7, prev_weekday(thursday, weekday::friday)); - - // Thursday -> Saturday - d = next_weekday(thursday, weekday::saturday); - EXPECT_EQ(2, d - thursday) << Format(d); - EXPECT_EQ(d - 7, prev_weekday(thursday, weekday::saturday)); - - // Thursday -> Sunday - d = next_weekday(thursday, weekday::sunday); - EXPECT_EQ(3, d - thursday) << Format(d); - EXPECT_EQ(d - 7, prev_weekday(thursday, weekday::sunday)); - - // Thursday -> Monday - d = next_weekday(thursday, weekday::monday); - EXPECT_EQ(4, d - thursday) << Format(d); - EXPECT_EQ(d - 7, prev_weekday(thursday, weekday::monday)); - - // Thursday -> Tuesday - d = next_weekday(thursday, weekday::tuesday); - EXPECT_EQ(5, d - thursday) << Format(d); - EXPECT_EQ(d - 7, prev_weekday(thursday, weekday::tuesday)); - - // Thursday -> Wednesday - d = next_weekday(thursday, weekday::wednesday); - EXPECT_EQ(6, d - thursday) << Format(d); - EXPECT_EQ(d - 7, prev_weekday(thursday, weekday::wednesday)); -} - -TEST(CivilTime, NormalizeWithHugeYear) { - civil_month c(9223372036854775807, 1); - EXPECT_EQ("9223372036854775807-01", Format(c)); - c = c - 1; // Causes normalization - EXPECT_EQ("9223372036854775806-12", Format(c)); - - c = civil_month(-9223372036854775807 - 1, 1); - EXPECT_EQ("-9223372036854775808-01", Format(c)); - c = c + 12; // Causes normalization - EXPECT_EQ("-9223372036854775807-01", Format(c)); -} - -TEST(CivilTime, LeapYears) { - // Test data for leap years. - const struct { - int year; - int days; - struct { - int month; - int day; - } leap_day; // The date of the day after Feb 28. - } kLeapYearTable[]{ - {1900, 365, {3, 1}}, {1999, 365, {3, 1}}, - {2000, 366, {2, 29}}, // leap year - {2001, 365, {3, 1}}, {2002, 365, {3, 1}}, - {2003, 365, {3, 1}}, {2004, 366, {2, 29}}, // leap year - {2005, 365, {3, 1}}, {2006, 365, {3, 1}}, - {2007, 365, {3, 1}}, {2008, 366, {2, 29}}, // leap year - {2009, 365, {3, 1}}, {2100, 365, {3, 1}}, - }; - - for (const auto& e : kLeapYearTable) { - // Tests incrementing through the leap day. - const civil_day feb28(e.year, 2, 28); - const civil_day next_day = feb28 + 1; - EXPECT_EQ(e.leap_day.month, next_day.month()); - EXPECT_EQ(e.leap_day.day, next_day.day()); - - // Tests difference in days of leap years. - const civil_year year(feb28); - const civil_year next_year = year + 1; - EXPECT_EQ(e.days, civil_day(next_year) - civil_day(year)); - } -} - -TEST(CivilTime, FirstThursdayInMonth) { - const civil_day nov1(2014, 11, 1); - const civil_day thursday = next_weekday(nov1 - 1, weekday::thursday); - EXPECT_EQ("2014-11-06", Format(thursday)); - - // Bonus: Date of Thanksgiving in the United States - // Rule: Fourth Thursday of November - const civil_day thanksgiving = thursday + 7 * 3; - EXPECT_EQ("2014-11-27", Format(thanksgiving)); -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_fixed.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_fixed.cc deleted file mode 100644 index 303c0244a8..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_fixed.cc +++ /dev/null @@ -1,140 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "time_zone_fixed.h" - -#include <algorithm> -#include <cassert> -#include <chrono> -#include <cstring> -#include <string> - -#include "absl/base/config.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -// The prefix used for the internal names of fixed-offset zones. -const char kFixedZonePrefix[] = "Fixed/UTC"; - -const char kDigits[] = "0123456789"; - -char* Format02d(char* p, int v) { - *p++ = kDigits[(v / 10) % 10]; - *p++ = kDigits[v % 10]; - return p; -} - -int Parse02d(const char* p) { - if (const char* ap = std::strchr(kDigits, *p)) { - int v = static_cast<int>(ap - kDigits); - if (const char* bp = std::strchr(kDigits, *++p)) { - return (v * 10) + static_cast<int>(bp - kDigits); - } - } - return -1; -} - -} // namespace - -bool FixedOffsetFromName(const std::string& name, seconds* offset) { - if (name.compare(0, std::string::npos, "UTC", 3) == 0) { - *offset = seconds::zero(); - return true; - } - - const std::size_t prefix_len = sizeof(kFixedZonePrefix) - 1; - const char* const ep = kFixedZonePrefix + prefix_len; - if (name.size() != prefix_len + 9) // <prefix>+99:99:99 - return false; - if (!std::equal(kFixedZonePrefix, ep, name.begin())) return false; - const char* np = name.data() + prefix_len; - if (np[0] != '+' && np[0] != '-') return false; - if (np[3] != ':' || np[6] != ':') // see note below about large offsets - return false; - - int hours = Parse02d(np + 1); - if (hours == -1) return false; - int mins = Parse02d(np + 4); - if (mins == -1) return false; - int secs = Parse02d(np + 7); - if (secs == -1) return false; - - secs += ((hours * 60) + mins) * 60; - if (secs > 24 * 60 * 60) return false; // outside supported offset range - *offset = seconds(secs * (np[0] == '-' ? -1 : 1)); // "-" means west - return true; -} - -std::string FixedOffsetToName(const seconds& offset) { - if (offset == seconds::zero()) return "UTC"; - if (offset < std::chrono::hours(-24) || offset > std::chrono::hours(24)) { - // We don't support fixed-offset zones more than 24 hours - // away from UTC to avoid complications in rendering such - // offsets and to (somewhat) limit the total number of zones. - return "UTC"; - } - int offset_seconds = static_cast<int>(offset.count()); - const char sign = (offset_seconds < 0 ? '-' : '+'); - int offset_minutes = offset_seconds / 60; - offset_seconds %= 60; - if (sign == '-') { - if (offset_seconds > 0) { - offset_seconds -= 60; - offset_minutes += 1; - } - offset_seconds = -offset_seconds; - offset_minutes = -offset_minutes; - } - int offset_hours = offset_minutes / 60; - offset_minutes %= 60; - const std::size_t prefix_len = sizeof(kFixedZonePrefix) - 1; - char buf[prefix_len + sizeof("-24:00:00")]; - char* ep = std::copy(kFixedZonePrefix, kFixedZonePrefix + prefix_len, buf); - *ep++ = sign; - ep = Format02d(ep, offset_hours); - *ep++ = ':'; - ep = Format02d(ep, offset_minutes); - *ep++ = ':'; - ep = Format02d(ep, offset_seconds); - *ep++ = '\0'; - assert(ep == buf + sizeof(buf)); - return buf; -} - -std::string FixedOffsetToAbbr(const seconds& offset) { - std::string abbr = FixedOffsetToName(offset); - const std::size_t prefix_len = sizeof(kFixedZonePrefix) - 1; - if (abbr.size() == prefix_len + 9) { // <prefix>+99:99:99 - abbr.erase(0, prefix_len); // +99:99:99 - abbr.erase(6, 1); // +99:9999 - abbr.erase(3, 1); // +999999 - if (abbr[5] == '0' && abbr[6] == '0') { // +999900 - abbr.erase(5, 2); // +9999 - if (abbr[3] == '0' && abbr[4] == '0') { // +9900 - abbr.erase(3, 2); // +99 - } - } - } - return abbr; -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_fixed.h b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_fixed.h deleted file mode 100644 index e74a0bbd9d..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_fixed.h +++ /dev/null @@ -1,52 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#ifndef ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_FIXED_H_ -#define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_FIXED_H_ - -#include <string> - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -// Helper functions for dealing with the names and abbreviations -// of time zones that are a fixed offset (seconds east) from UTC. -// FixedOffsetFromName() extracts the offset from a valid fixed-offset -// name, while FixedOffsetToName() and FixedOffsetToAbbr() generate -// the canonical zone name and abbreviation respectively for the given -// offset. -// -// A fixed-offset name looks like "Fixed/UTC<+-><hours>:<mins>:<secs>". -// Its abbreviation is of the form "UTC(<+->H?H(MM(SS)?)?)?" where the -// optional pieces are omitted when their values are zero. (Note that -// the sign is the opposite of that used in a POSIX TZ specification.) -// -// Note: FixedOffsetFromName() fails on syntax errors or when the parsed -// offset exceeds 24 hours. FixedOffsetToName() and FixedOffsetToAbbr() -// both produce "UTC" when the argument offset exceeds 24 hours. -bool FixedOffsetFromName(const std::string& name, seconds* offset); -std::string FixedOffsetToName(const seconds& offset); -std::string FixedOffsetToAbbr(const seconds& offset); - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_FIXED_H_ diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_format.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_format.cc deleted file mode 100644 index 2e02233ce1..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_format.cc +++ /dev/null @@ -1,1015 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#if !defined(HAS_STRPTIME) -#if !defined(_MSC_VER) && !defined(__MINGW32__) -#define HAS_STRPTIME 1 // assume everyone has strptime() except windows -#endif -#endif - -#if defined(HAS_STRPTIME) && HAS_STRPTIME -#if !defined(_XOPEN_SOURCE) -#define _XOPEN_SOURCE // Definedness suffices for strptime. -#endif -#endif - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" - -// Include time.h directly since, by C++ standards, ctime doesn't have to -// declare strptime. -#include <time.h> - -#include <cctype> -#include <chrono> -#include <cstddef> -#include <cstdint> -#include <cstring> -#include <ctime> -#include <limits> -#include <string> -#include <vector> -#if !HAS_STRPTIME -#include <iomanip> -#include <sstream> -#endif - -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "time_zone_if.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { -namespace detail { - -namespace { - -#if !HAS_STRPTIME -// Build a strptime() using C++11's std::get_time(). -char* strptime(const char* s, const char* fmt, std::tm* tm) { - std::istringstream input(s); - input >> std::get_time(tm, fmt); - if (input.fail()) return nullptr; - return const_cast<char*>(s) + - (input.eof() ? strlen(s) : static_cast<std::size_t>(input.tellg())); -} -#endif - -// Convert a cctz::weekday to a tm_wday value (0-6, Sunday = 0). -int ToTmWday(weekday wd) { - switch (wd) { - case weekday::sunday: - return 0; - case weekday::monday: - return 1; - case weekday::tuesday: - return 2; - case weekday::wednesday: - return 3; - case weekday::thursday: - return 4; - case weekday::friday: - return 5; - case weekday::saturday: - return 6; - } - return 0; /*NOTREACHED*/ -} - -// Convert a tm_wday value (0-6, Sunday = 0) to a cctz::weekday. -weekday FromTmWday(int tm_wday) { - switch (tm_wday) { - case 0: - return weekday::sunday; - case 1: - return weekday::monday; - case 2: - return weekday::tuesday; - case 3: - return weekday::wednesday; - case 4: - return weekday::thursday; - case 5: - return weekday::friday; - case 6: - return weekday::saturday; - } - return weekday::sunday; /*NOTREACHED*/ -} - -std::tm ToTM(const time_zone::absolute_lookup& al) { - std::tm tm{}; - tm.tm_sec = al.cs.second(); - tm.tm_min = al.cs.minute(); - tm.tm_hour = al.cs.hour(); - tm.tm_mday = al.cs.day(); - tm.tm_mon = al.cs.month() - 1; - - // Saturate tm.tm_year is cases of over/underflow. - if (al.cs.year() < std::numeric_limits<int>::min() + 1900) { - tm.tm_year = std::numeric_limits<int>::min(); - } else if (al.cs.year() - 1900 > std::numeric_limits<int>::max()) { - tm.tm_year = std::numeric_limits<int>::max(); - } else { - tm.tm_year = static_cast<int>(al.cs.year() - 1900); - } - - tm.tm_wday = ToTmWday(get_weekday(al.cs)); - tm.tm_yday = get_yearday(al.cs) - 1; - tm.tm_isdst = al.is_dst ? 1 : 0; - return tm; -} - -// Returns the week of the year [0:53] given a civil day and the day on -// which weeks are defined to start. -int ToWeek(const civil_day& cd, weekday week_start) { - const civil_day d(cd.year() % 400, cd.month(), cd.day()); - return static_cast<int>((d - prev_weekday(civil_year(d), week_start)) / 7); -} - -const char kDigits[] = "0123456789"; - -// Formats a 64-bit integer in the given field width. Note that it is up -// to the caller of Format64() [and Format02d()/FormatOffset()] to ensure -// that there is sufficient space before ep to hold the conversion. -char* Format64(char* ep, int width, std::int_fast64_t v) { - bool neg = false; - if (v < 0) { - --width; - neg = true; - if (v == std::numeric_limits<std::int_fast64_t>::min()) { - // Avoid negating minimum value. - std::int_fast64_t last_digit = -(v % 10); - v /= 10; - if (last_digit < 0) { - ++v; - last_digit += 10; - } - --width; - *--ep = kDigits[last_digit]; - } - v = -v; - } - do { - --width; - *--ep = kDigits[v % 10]; - } while (v /= 10); - while (--width >= 0) *--ep = '0'; // zero pad - if (neg) *--ep = '-'; - return ep; -} - -// Formats [0 .. 99] as %02d. -char* Format02d(char* ep, int v) { - *--ep = kDigits[v % 10]; - *--ep = kDigits[(v / 10) % 10]; - return ep; -} - -// Formats a UTC offset, like +00:00. -char* FormatOffset(char* ep, int offset, const char* mode) { - // TODO: Follow the RFC3339 "Unknown Local Offset Convention" and - // generate a "negative zero" when we're formatting a zero offset - // as the result of a failed load_time_zone(). - char sign = '+'; - if (offset < 0) { - offset = -offset; // bounded by 24h so no overflow - sign = '-'; - } - const int seconds = offset % 60; - const int minutes = (offset /= 60) % 60; - const int hours = offset /= 60; - const char sep = mode[0]; - const bool ext = (sep != '\0' && mode[1] == '*'); - const bool ccc = (ext && mode[2] == ':'); - if (ext && (!ccc || seconds != 0)) { - ep = Format02d(ep, seconds); - *--ep = sep; - } else { - // If we're not rendering seconds, sub-minute negative offsets - // should get a positive sign (e.g., offset=-10s => "+00:00"). - if (hours == 0 && minutes == 0) sign = '+'; - } - if (!ccc || minutes != 0 || seconds != 0) { - ep = Format02d(ep, minutes); - if (sep != '\0') *--ep = sep; - } - ep = Format02d(ep, hours); - *--ep = sign; - return ep; -} - -// Formats a std::tm using strftime(3). -void FormatTM(std::string* out, const std::string& fmt, const std::tm& tm) { - // strftime(3) returns the number of characters placed in the output - // array (which may be 0 characters). It also returns 0 to indicate - // an error, like the array wasn't large enough. To accommodate this, - // the following code grows the buffer size from 2x the format string - // length up to 32x. - for (std::size_t i = 2; i != 32; i *= 2) { - std::size_t buf_size = fmt.size() * i; - std::vector<char> buf(buf_size); - if (std::size_t len = strftime(&buf[0], buf_size, fmt.c_str(), &tm)) { - out->append(&buf[0], len); - return; - } - } -} - -// Used for %E#S/%E#f specifiers and for data values in parse(). -template <typename T> -const char* ParseInt(const char* dp, int width, T min, T max, T* vp) { - if (dp != nullptr) { - const T kmin = std::numeric_limits<T>::min(); - bool erange = false; - bool neg = false; - T value = 0; - if (*dp == '-') { - neg = true; - if (width <= 0 || --width != 0) { - ++dp; - } else { - dp = nullptr; // width was 1 - } - } - if (const char* const bp = dp) { - while (const char* cp = strchr(kDigits, *dp)) { - int d = static_cast<int>(cp - kDigits); - if (d >= 10) break; - if (value < kmin / 10) { - erange = true; - break; - } - value *= 10; - if (value < kmin + d) { - erange = true; - break; - } - value -= d; - dp += 1; - if (width > 0 && --width == 0) break; - } - if (dp != bp && !erange && (neg || value != kmin)) { - if (!neg || value != 0) { - if (!neg) value = -value; // make positive - if (min <= value && value <= max) { - *vp = value; - } else { - dp = nullptr; - } - } else { - dp = nullptr; - } - } else { - dp = nullptr; - } - } - } - return dp; -} - -// The number of base-10 digits that can be represented by a signed 64-bit -// integer. That is, 10^kDigits10_64 <= 2^63 - 1 < 10^(kDigits10_64 + 1). -const int kDigits10_64 = 18; - -// 10^n for everything that can be represented by a signed 64-bit integer. -const std::int_fast64_t kExp10[kDigits10_64 + 1] = { - 1, - 10, - 100, - 1000, - 10000, - 100000, - 1000000, - 10000000, - 100000000, - 1000000000, - 10000000000, - 100000000000, - 1000000000000, - 10000000000000, - 100000000000000, - 1000000000000000, - 10000000000000000, - 100000000000000000, - 1000000000000000000, -}; - -} // namespace - -// Uses strftime(3) to format the given Time. The following extended format -// specifiers are also supported: -// -// - %Ez - RFC3339-compatible numeric UTC offset (+hh:mm or -hh:mm) -// - %E*z - Full-resolution numeric UTC offset (+hh:mm:ss or -hh:mm:ss) -// - %E#S - Seconds with # digits of fractional precision -// - %E*S - Seconds with full fractional precision (a literal '*') -// - %E4Y - Four-character years (-999 ... -001, 0000, 0001 ... 9999) -// - %ET - The RFC3339 "date-time" separator "T" -// -// The standard specifiers from RFC3339_* (%Y, %m, %d, %H, %M, and %S) are -// handled internally for performance reasons. strftime(3) is slow due to -// a POSIX requirement to respect changes to ${TZ}. -// -// The TZ/GNU %s extension is handled internally because strftime() has -// to use mktime() to generate it, and that assumes the local time zone. -// -// We also handle the %z and %Z specifiers to accommodate platforms that do -// not support the tm_gmtoff and tm_zone extensions to std::tm. -// -// Requires that zero() <= fs < seconds(1). -std::string format(const std::string& format, const time_point<seconds>& tp, - const detail::femtoseconds& fs, const time_zone& tz) { - std::string result; - result.reserve(format.size()); // A reasonable guess for the result size. - const time_zone::absolute_lookup al = tz.lookup(tp); - const std::tm tm = ToTM(al); - - // Scratch buffer for internal conversions. - char buf[3 + kDigits10_64]; // enough for longest conversion - char* const ep = buf + sizeof(buf); - char* bp; // works back from ep - - // Maintain three, disjoint subsequences that span format. - // [format.begin() ... pending) : already formatted into result - // [pending ... cur) : formatting pending, but no special cases - // [cur ... format.end()) : unexamined - // Initially, everything is in the unexamined part. - const char* pending = format.c_str(); // NUL terminated - const char* cur = pending; - const char* end = pending + format.length(); - - while (cur != end) { // while something is unexamined - // Moves cur to the next percent sign. - const char* start = cur; - while (cur != end && *cur != '%') ++cur; - - // If the new pending text is all ordinary, copy it out. - if (cur != start && pending == start) { - result.append(pending, static_cast<std::size_t>(cur - pending)); - pending = start = cur; - } - - // Span the sequential percent signs. - const char* percent = cur; - while (cur != end && *cur == '%') ++cur; - - // If the new pending text is all percents, copy out one - // percent for every matched pair, then skip those pairs. - if (cur != start && pending == start) { - std::size_t escaped = static_cast<std::size_t>(cur - pending) / 2; - result.append(pending, escaped); - pending += escaped * 2; - // Also copy out a single trailing percent. - if (pending != cur && cur == end) { - result.push_back(*pending++); - } - } - - // Loop unless we have an unescaped percent. - if (cur == end || (cur - percent) % 2 == 0) continue; - - // Simple specifiers that we handle ourselves. - if (strchr("YmdeUuWwHMSzZs%", *cur)) { - if (cur - 1 != pending) { - FormatTM(&result, std::string(pending, cur - 1), tm); - } - switch (*cur) { - case 'Y': - // This avoids the tm.tm_year overflow problem for %Y, however - // tm.tm_year will still be used by other specifiers like %D. - bp = Format64(ep, 0, al.cs.year()); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'm': - bp = Format02d(ep, al.cs.month()); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'd': - case 'e': - bp = Format02d(ep, al.cs.day()); - if (*cur == 'e' && *bp == '0') *bp = ' '; // for Windows - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'U': - bp = Format02d(ep, ToWeek(civil_day(al.cs), weekday::sunday)); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'u': - bp = Format64(ep, 0, tm.tm_wday ? tm.tm_wday : 7); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'W': - bp = Format02d(ep, ToWeek(civil_day(al.cs), weekday::monday)); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'w': - bp = Format64(ep, 0, tm.tm_wday); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'H': - bp = Format02d(ep, al.cs.hour()); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'M': - bp = Format02d(ep, al.cs.minute()); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'S': - bp = Format02d(ep, al.cs.second()); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'z': - bp = FormatOffset(ep, al.offset, ""); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case 'Z': - result.append(al.abbr); - break; - case 's': - bp = Format64(ep, 0, ToUnixSeconds(tp)); - result.append(bp, static_cast<std::size_t>(ep - bp)); - break; - case '%': - result.push_back('%'); - break; - } - pending = ++cur; - continue; - } - - // More complex specifiers that we handle ourselves. - if (*cur == ':' && cur + 1 != end) { - if (*(cur + 1) == 'z') { - // Formats %:z. - if (cur - 1 != pending) { - FormatTM(&result, std::string(pending, cur - 1), tm); - } - bp = FormatOffset(ep, al.offset, ":"); - result.append(bp, static_cast<std::size_t>(ep - bp)); - pending = cur += 2; - continue; - } - if (*(cur + 1) == ':' && cur + 2 != end) { - if (*(cur + 2) == 'z') { - // Formats %::z. - if (cur - 1 != pending) { - FormatTM(&result, std::string(pending, cur - 1), tm); - } - bp = FormatOffset(ep, al.offset, ":*"); - result.append(bp, static_cast<std::size_t>(ep - bp)); - pending = cur += 3; - continue; - } - if (*(cur + 2) == ':' && cur + 3 != end) { - if (*(cur + 3) == 'z') { - // Formats %:::z. - if (cur - 1 != pending) { - FormatTM(&result, std::string(pending, cur - 1), tm); - } - bp = FormatOffset(ep, al.offset, ":*:"); - result.append(bp, static_cast<std::size_t>(ep - bp)); - pending = cur += 4; - continue; - } - } - } - } - - // Loop if there is no E modifier. - if (*cur != 'E' || ++cur == end) continue; - - // Format our extensions. - if (*cur == 'T') { - // Formats %ET. - if (cur - 2 != pending) { - FormatTM(&result, std::string(pending, cur - 2), tm); - } - result.append("T"); - pending = ++cur; - } else if (*cur == 'z') { - // Formats %Ez. - if (cur - 2 != pending) { - FormatTM(&result, std::string(pending, cur - 2), tm); - } - bp = FormatOffset(ep, al.offset, ":"); - result.append(bp, static_cast<std::size_t>(ep - bp)); - pending = ++cur; - } else if (*cur == '*' && cur + 1 != end && *(cur + 1) == 'z') { - // Formats %E*z. - if (cur - 2 != pending) { - FormatTM(&result, std::string(pending, cur - 2), tm); - } - bp = FormatOffset(ep, al.offset, ":*"); - result.append(bp, static_cast<std::size_t>(ep - bp)); - pending = cur += 2; - } else if (*cur == '*' && cur + 1 != end && - (*(cur + 1) == 'S' || *(cur + 1) == 'f')) { - // Formats %E*S or %E*F. - if (cur - 2 != pending) { - FormatTM(&result, std::string(pending, cur - 2), tm); - } - char* cp = ep; - bp = Format64(cp, 15, fs.count()); - while (cp != bp && cp[-1] == '0') --cp; - switch (*(cur + 1)) { - case 'S': - if (cp != bp) *--bp = '.'; - bp = Format02d(bp, al.cs.second()); - break; - case 'f': - if (cp == bp) *--bp = '0'; - break; - } - result.append(bp, static_cast<std::size_t>(cp - bp)); - pending = cur += 2; - } else if (*cur == '4' && cur + 1 != end && *(cur + 1) == 'Y') { - // Formats %E4Y. - if (cur - 2 != pending) { - FormatTM(&result, std::string(pending, cur - 2), tm); - } - bp = Format64(ep, 4, al.cs.year()); - result.append(bp, static_cast<std::size_t>(ep - bp)); - pending = cur += 2; - } else if (std::isdigit(*cur)) { - // Possibly found %E#S or %E#f. - int n = 0; - if (const char* np = ParseInt(cur, 0, 0, 1024, &n)) { - if (*np == 'S' || *np == 'f') { - // Formats %E#S or %E#f. - if (cur - 2 != pending) { - FormatTM(&result, std::string(pending, cur - 2), tm); - } - bp = ep; - if (n > 0) { - if (n > kDigits10_64) n = kDigits10_64; - bp = Format64(bp, n, - (n > 15) ? fs.count() * kExp10[n - 15] - : fs.count() / kExp10[15 - n]); - if (*np == 'S') *--bp = '.'; - } - if (*np == 'S') bp = Format02d(bp, al.cs.second()); - result.append(bp, static_cast<std::size_t>(ep - bp)); - pending = cur = ++np; - } - } - } - } - - // Formats any remaining data. - if (end != pending) { - FormatTM(&result, std::string(pending, end), tm); - } - - return result; -} - -namespace { - -const char* ParseOffset(const char* dp, const char* mode, int* offset) { - if (dp != nullptr) { - const char first = *dp++; - if (first == '+' || first == '-') { - char sep = mode[0]; - int hours = 0; - int minutes = 0; - int seconds = 0; - const char* ap = ParseInt(dp, 2, 0, 23, &hours); - if (ap != nullptr && ap - dp == 2) { - dp = ap; - if (sep != '\0' && *ap == sep) ++ap; - const char* bp = ParseInt(ap, 2, 0, 59, &minutes); - if (bp != nullptr && bp - ap == 2) { - dp = bp; - if (sep != '\0' && *bp == sep) ++bp; - const char* cp = ParseInt(bp, 2, 0, 59, &seconds); - if (cp != nullptr && cp - bp == 2) dp = cp; - } - *offset = ((hours * 60 + minutes) * 60) + seconds; - if (first == '-') *offset = -*offset; - } else { - dp = nullptr; - } - } else if (first == 'Z' || first == 'z') { // Zulu - *offset = 0; - } else { - dp = nullptr; - } - } - return dp; -} - -const char* ParseZone(const char* dp, std::string* zone) { - zone->clear(); - if (dp != nullptr) { - while (*dp != '\0' && !std::isspace(*dp)) zone->push_back(*dp++); - if (zone->empty()) dp = nullptr; - } - return dp; -} - -const char* ParseSubSeconds(const char* dp, detail::femtoseconds* subseconds) { - if (dp != nullptr) { - std::int_fast64_t v = 0; - std::int_fast64_t exp = 0; - const char* const bp = dp; - while (const char* cp = strchr(kDigits, *dp)) { - int d = static_cast<int>(cp - kDigits); - if (d >= 10) break; - if (exp < 15) { - exp += 1; - v *= 10; - v += d; - } - ++dp; - } - if (dp != bp) { - v *= kExp10[15 - exp]; - *subseconds = detail::femtoseconds(v); - } else { - dp = nullptr; - } - } - return dp; -} - -// Parses a string into a std::tm using strptime(3). -const char* ParseTM(const char* dp, const char* fmt, std::tm* tm) { - if (dp != nullptr) { - dp = strptime(dp, fmt, tm); - } - return dp; -} - -// Sets year, tm_mon and tm_mday given the year, week_num, and tm_wday, -// and the day on which weeks are defined to start. -void FromWeek(int week_num, weekday week_start, year_t* year, std::tm* tm) { - const civil_year y(*year % 400); - civil_day cd = prev_weekday(y, week_start); // week 0 - cd = next_weekday(cd - 1, FromTmWday(tm->tm_wday)) + (week_num * 7); - *year += cd.year() - y.year(); - tm->tm_mon = cd.month() - 1; - tm->tm_mday = cd.day(); -} - -} // namespace - -// Uses strptime(3) to parse the given input. Supports the same extended -// format specifiers as format(), although %E#S and %E*S are treated -// identically (and similarly for %E#f and %E*f). %Ez and %E*z also accept -// the same inputs. %ET accepts either 'T' or 't'. -// -// The standard specifiers from RFC3339_* (%Y, %m, %d, %H, %M, and %S) are -// handled internally so that we can normally avoid strptime() altogether -// (which is particularly helpful when the native implementation is broken). -// -// The TZ/GNU %s extension is handled internally because strptime() has to -// use localtime_r() to generate it, and that assumes the local time zone. -// -// We also handle the %z specifier to accommodate platforms that do not -// support the tm_gmtoff extension to std::tm. %Z is parsed but ignored. -bool parse(const std::string& format, const std::string& input, - const time_zone& tz, time_point<seconds>* sec, - detail::femtoseconds* fs, std::string* err) { - // The unparsed input. - const char* data = input.c_str(); // NUL terminated - - // Skips leading whitespace. - while (std::isspace(*data)) ++data; - - const year_t kyearmax = std::numeric_limits<year_t>::max(); - const year_t kyearmin = std::numeric_limits<year_t>::min(); - - // Sets default values for unspecified fields. - bool saw_year = false; - year_t year = 1970; - std::tm tm{}; - tm.tm_year = 1970 - 1900; - tm.tm_mon = 1 - 1; // Jan - tm.tm_mday = 1; - tm.tm_hour = 0; - tm.tm_min = 0; - tm.tm_sec = 0; - tm.tm_wday = 4; // Thu - tm.tm_yday = 0; - tm.tm_isdst = 0; - auto subseconds = detail::femtoseconds::zero(); - bool saw_offset = false; - int offset = 0; // No offset from passed tz. - std::string zone = "UTC"; - - const char* fmt = format.c_str(); // NUL terminated - bool twelve_hour = false; - bool afternoon = false; - int week_num = -1; - weekday week_start = weekday::sunday; - - bool saw_percent_s = false; - std::int_fast64_t percent_s = 0; - - // Steps through format, one specifier at a time. - while (data != nullptr && *fmt != '\0') { - if (std::isspace(*fmt)) { - while (std::isspace(*data)) ++data; - while (std::isspace(*++fmt)) continue; - continue; - } - - if (*fmt != '%') { - if (*data == *fmt) { - ++data; - ++fmt; - } else { - data = nullptr; - } - continue; - } - - const char* percent = fmt; - if (*++fmt == '\0') { - data = nullptr; - continue; - } - switch (*fmt++) { - case 'Y': - // Symmetrically with FormatTime(), directly handing %Y avoids the - // tm.tm_year overflow problem. However, tm.tm_year will still be - // used by other specifiers like %D. - data = ParseInt(data, 0, kyearmin, kyearmax, &year); - if (data != nullptr) saw_year = true; - continue; - case 'm': - data = ParseInt(data, 2, 1, 12, &tm.tm_mon); - if (data != nullptr) tm.tm_mon -= 1; - week_num = -1; - continue; - case 'd': - case 'e': - data = ParseInt(data, 2, 1, 31, &tm.tm_mday); - week_num = -1; - continue; - case 'U': - data = ParseInt(data, 0, 0, 53, &week_num); - week_start = weekday::sunday; - continue; - case 'W': - data = ParseInt(data, 0, 0, 53, &week_num); - week_start = weekday::monday; - continue; - case 'u': - data = ParseInt(data, 0, 1, 7, &tm.tm_wday); - if (data != nullptr) tm.tm_wday %= 7; - continue; - case 'w': - data = ParseInt(data, 0, 0, 6, &tm.tm_wday); - continue; - case 'H': - data = ParseInt(data, 2, 0, 23, &tm.tm_hour); - twelve_hour = false; - continue; - case 'M': - data = ParseInt(data, 2, 0, 59, &tm.tm_min); - continue; - case 'S': - data = ParseInt(data, 2, 0, 60, &tm.tm_sec); - continue; - case 'I': - case 'l': - case 'r': // probably uses %I - twelve_hour = true; - break; - case 'R': // uses %H - case 'T': // uses %H - case 'c': // probably uses %H - case 'X': // probably uses %H - twelve_hour = false; - break; - case 'z': - data = ParseOffset(data, "", &offset); - if (data != nullptr) saw_offset = true; - continue; - case 'Z': // ignored; zone abbreviations are ambiguous - data = ParseZone(data, &zone); - continue; - case 's': - data = - ParseInt(data, 0, std::numeric_limits<std::int_fast64_t>::min(), - std::numeric_limits<std::int_fast64_t>::max(), &percent_s); - if (data != nullptr) saw_percent_s = true; - continue; - case ':': - if (fmt[0] == 'z' || - (fmt[0] == ':' && - (fmt[1] == 'z' || (fmt[1] == ':' && fmt[2] == 'z')))) { - data = ParseOffset(data, ":", &offset); - if (data != nullptr) saw_offset = true; - fmt += (fmt[0] == 'z') ? 1 : (fmt[1] == 'z') ? 2 : 3; - continue; - } - break; - case '%': - data = (*data == '%' ? data + 1 : nullptr); - continue; - case 'E': - if (fmt[0] == 'T') { - if (*data == 'T' || *data == 't') { - ++data; - ++fmt; - } else { - data = nullptr; - } - continue; - } - if (fmt[0] == 'z' || (fmt[0] == '*' && fmt[1] == 'z')) { - data = ParseOffset(data, ":", &offset); - if (data != nullptr) saw_offset = true; - fmt += (fmt[0] == 'z') ? 1 : 2; - continue; - } - if (fmt[0] == '*' && fmt[1] == 'S') { - data = ParseInt(data, 2, 0, 60, &tm.tm_sec); - if (data != nullptr && *data == '.') { - data = ParseSubSeconds(data + 1, &subseconds); - } - fmt += 2; - continue; - } - if (fmt[0] == '*' && fmt[1] == 'f') { - if (data != nullptr && std::isdigit(*data)) { - data = ParseSubSeconds(data, &subseconds); - } - fmt += 2; - continue; - } - if (fmt[0] == '4' && fmt[1] == 'Y') { - const char* bp = data; - data = ParseInt(data, 4, year_t{-999}, year_t{9999}, &year); - if (data != nullptr) { - if (data - bp == 4) { - saw_year = true; - } else { - data = nullptr; // stopped too soon - } - } - fmt += 2; - continue; - } - if (std::isdigit(*fmt)) { - int n = 0; // value ignored - if (const char* np = ParseInt(fmt, 0, 0, 1024, &n)) { - if (*np == 'S') { - data = ParseInt(data, 2, 0, 60, &tm.tm_sec); - if (data != nullptr && *data == '.') { - data = ParseSubSeconds(data + 1, &subseconds); - } - fmt = ++np; - continue; - } - if (*np == 'f') { - if (data != nullptr && std::isdigit(*data)) { - data = ParseSubSeconds(data, &subseconds); - } - fmt = ++np; - continue; - } - } - } - if (*fmt == 'c') twelve_hour = false; // probably uses %H - if (*fmt == 'X') twelve_hour = false; // probably uses %H - if (*fmt != '\0') ++fmt; - break; - case 'O': - if (*fmt == 'H') twelve_hour = false; - if (*fmt == 'I') twelve_hour = true; - if (*fmt != '\0') ++fmt; - break; - } - - // Parses the current specifier. - const char* orig_data = data; - std::string spec(percent, static_cast<std::size_t>(fmt - percent)); - data = ParseTM(data, spec.c_str(), &tm); - - // If we successfully parsed %p we need to remember whether the result - // was AM or PM so that we can adjust tm_hour before time_zone::lookup(). - // So reparse the input with a known AM hour, and check if it is shifted - // to a PM hour. - if (spec == "%p" && data != nullptr) { - std::string test_input = "1"; - test_input.append(orig_data, static_cast<std::size_t>(data - orig_data)); - const char* test_data = test_input.c_str(); - std::tm tmp{}; - ParseTM(test_data, "%I%p", &tmp); - afternoon = (tmp.tm_hour == 13); - } - } - - // Adjust a 12-hour tm_hour value if it should be in the afternoon. - if (twelve_hour && afternoon && tm.tm_hour < 12) { - tm.tm_hour += 12; - } - - if (data == nullptr) { - if (err != nullptr) *err = "Failed to parse input"; - return false; - } - - // Skip any remaining whitespace. - while (std::isspace(*data)) ++data; - - // parse() must consume the entire input string. - if (*data != '\0') { - if (err != nullptr) *err = "Illegal trailing data in input string"; - return false; - } - - // If we saw %s then we ignore anything else and return that time. - if (saw_percent_s) { - *sec = FromUnixSeconds(percent_s); - *fs = detail::femtoseconds::zero(); - return true; - } - - // If we saw %z, %Ez, or %E*z then we want to interpret the parsed fields - // in UTC and then shift by that offset. Otherwise we want to interpret - // the fields directly in the passed time_zone. - time_zone ptz = saw_offset ? utc_time_zone() : tz; - - // Allows a leap second of 60 to normalize forward to the following ":00". - if (tm.tm_sec == 60) { - tm.tm_sec -= 1; - offset -= 1; - subseconds = detail::femtoseconds::zero(); - } - - if (!saw_year) { - year = year_t{tm.tm_year}; - if (year > kyearmax - 1900) { - // Platform-dependent, maybe unreachable. - if (err != nullptr) *err = "Out-of-range year"; - return false; - } - year += 1900; - } - - // Compute year, tm.tm_mon and tm.tm_mday if we parsed a week number. - if (week_num != -1) FromWeek(week_num, week_start, &year, &tm); - - const int month = tm.tm_mon + 1; - civil_second cs(year, month, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); - - // parse() should not allow normalization. Due to the restricted field - // ranges above (see ParseInt()), the only possibility is for days to roll - // into months. That is, parsing "Sep 31" should not produce "Oct 1". - if (cs.month() != month || cs.day() != tm.tm_mday) { - if (err != nullptr) *err = "Out-of-range field"; - return false; - } - - // Accounts for the offset adjustment before converting to absolute time. - if ((offset < 0 && cs > civil_second::max() + offset) || - (offset > 0 && cs < civil_second::min() + offset)) { - if (err != nullptr) *err = "Out-of-range field"; - return false; - } - cs -= offset; - - const auto tp = ptz.lookup(cs).pre; - // Checks for overflow/underflow and returns an error as necessary. - if (tp == time_point<seconds>::max()) { - const auto al = ptz.lookup(time_point<seconds>::max()); - if (cs > al.cs) { - if (err != nullptr) *err = "Out-of-range field"; - return false; - } - } - if (tp == time_point<seconds>::min()) { - const auto al = ptz.lookup(time_point<seconds>::min()); - if (cs < al.cs) { - if (err != nullptr) *err = "Out-of-range field"; - return false; - } - } - - *sec = tp; - *fs = subseconds; - return true; -} - -} // namespace detail -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_format_test.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_format_test.cc deleted file mode 100644 index e625a839fa..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_format_test.cc +++ /dev/null @@ -1,1598 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include <chrono> -#include <iomanip> -#include <sstream> -#include <string> - -#include "gmock/gmock.h" -#include "gtest/gtest.h" -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" - -namespace chrono = std::chrono; - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -// This helper is a macro so that failed expectations show up with the -// correct line numbers. -#define ExpectTime(tp, tz, y, m, d, hh, mm, ss, off, isdst, zone) \ - do { \ - time_zone::absolute_lookup al = tz.lookup(tp); \ - EXPECT_EQ(y, al.cs.year()); \ - EXPECT_EQ(m, al.cs.month()); \ - EXPECT_EQ(d, al.cs.day()); \ - EXPECT_EQ(hh, al.cs.hour()); \ - EXPECT_EQ(mm, al.cs.minute()); \ - EXPECT_EQ(ss, al.cs.second()); \ - EXPECT_EQ(off, al.offset); \ - EXPECT_TRUE(isdst == al.is_dst); \ - EXPECT_STREQ(zone, al.abbr); \ - } while (0) - -const char RFC3339_full[] = "%Y-%m-%d%ET%H:%M:%E*S%Ez"; -const char RFC3339_sec[] = "%Y-%m-%d%ET%H:%M:%S%Ez"; - -const char RFC1123_full[] = "%a, %d %b %Y %H:%M:%S %z"; -const char RFC1123_no_wday[] = "%d %b %Y %H:%M:%S %z"; - -// A helper that tests the given format specifier by itself, and with leading -// and trailing characters. For example: TestFormatSpecifier(tp, "%a", "Thu"). -template <typename D> -void TestFormatSpecifier(time_point<D> tp, time_zone tz, const std::string& fmt, - const std::string& ans) { - EXPECT_EQ(ans, format(fmt, tp, tz)) << fmt; - EXPECT_EQ("xxx " + ans, format("xxx " + fmt, tp, tz)); - EXPECT_EQ(ans + " yyy", format(fmt + " yyy", tp, tz)); - EXPECT_EQ("xxx " + ans + " yyy", format("xxx " + fmt + " yyy", tp, tz)); -} - -} // namespace - -// -// Testing format() -// - -TEST(Format, TimePointResolution) { - const char kFmt[] = "%H:%M:%E*S"; - const time_zone utc = utc_time_zone(); - const time_point<chrono::nanoseconds> t0 = - chrono::system_clock::from_time_t(1420167845) + - chrono::milliseconds(123) + chrono::microseconds(456) + - chrono::nanoseconds(789); - EXPECT_EQ( - "03:04:05.123456789", - format(kFmt, chrono::time_point_cast<chrono::nanoseconds>(t0), utc)); - EXPECT_EQ( - "03:04:05.123456", - format(kFmt, chrono::time_point_cast<chrono::microseconds>(t0), utc)); - EXPECT_EQ( - "03:04:05.123", - format(kFmt, chrono::time_point_cast<chrono::milliseconds>(t0), utc)); - EXPECT_EQ("03:04:05", - format(kFmt, chrono::time_point_cast<chrono::seconds>(t0), utc)); - EXPECT_EQ( - "03:04:05", - format(kFmt, - chrono::time_point_cast<absl::time_internal::cctz::seconds>(t0), - utc)); - EXPECT_EQ("03:04:00", - format(kFmt, chrono::time_point_cast<chrono::minutes>(t0), utc)); - EXPECT_EQ("03:00:00", - format(kFmt, chrono::time_point_cast<chrono::hours>(t0), utc)); -} - -TEST(Format, TimePointExtendedResolution) { - const char kFmt[] = "%H:%M:%E*S"; - const time_zone utc = utc_time_zone(); - const time_point<absl::time_internal::cctz::seconds> tp = - chrono::time_point_cast<absl::time_internal::cctz::seconds>( - chrono::system_clock::from_time_t(0)) + - chrono::hours(12) + chrono::minutes(34) + chrono::seconds(56); - - EXPECT_EQ( - "12:34:56.123456789012345", - detail::format(kFmt, tp, detail::femtoseconds(123456789012345), utc)); - EXPECT_EQ( - "12:34:56.012345678901234", - detail::format(kFmt, tp, detail::femtoseconds(12345678901234), utc)); - EXPECT_EQ("12:34:56.001234567890123", - detail::format(kFmt, tp, detail::femtoseconds(1234567890123), utc)); - EXPECT_EQ("12:34:56.000123456789012", - detail::format(kFmt, tp, detail::femtoseconds(123456789012), utc)); - - EXPECT_EQ("12:34:56.000000000000123", - detail::format(kFmt, tp, detail::femtoseconds(123), utc)); - EXPECT_EQ("12:34:56.000000000000012", - detail::format(kFmt, tp, detail::femtoseconds(12), utc)); - EXPECT_EQ("12:34:56.000000000000001", - detail::format(kFmt, tp, detail::femtoseconds(1), utc)); -} - -TEST(Format, Basics) { - time_zone tz = utc_time_zone(); - time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0); - - // Starts with a couple basic edge cases. - EXPECT_EQ("", format("", tp, tz)); - EXPECT_EQ(" ", format(" ", tp, tz)); - EXPECT_EQ(" ", format(" ", tp, tz)); - EXPECT_EQ("xxx", format("xxx", tp, tz)); - std::string big(128, 'x'); - EXPECT_EQ(big, format(big, tp, tz)); - // Cause the 1024-byte buffer to grow. - std::string bigger(100000, 'x'); - EXPECT_EQ(bigger, format(bigger, tp, tz)); - - tp += chrono::hours(13) + chrono::minutes(4) + chrono::seconds(5); - tp += chrono::milliseconds(6) + chrono::microseconds(7) + - chrono::nanoseconds(8); - EXPECT_EQ("1970-01-01", format("%Y-%m-%d", tp, tz)); - EXPECT_EQ("13:04:05", format("%H:%M:%S", tp, tz)); - EXPECT_EQ("13:04:05.006", format("%H:%M:%E3S", tp, tz)); - EXPECT_EQ("13:04:05.006007", format("%H:%M:%E6S", tp, tz)); - EXPECT_EQ("13:04:05.006007008", format("%H:%M:%E9S", tp, tz)); -} - -TEST(Format, PosixConversions) { - const time_zone tz = utc_time_zone(); - auto tp = chrono::system_clock::from_time_t(0); - - TestFormatSpecifier(tp, tz, "%d", "01"); - TestFormatSpecifier(tp, tz, "%e", " 1"); // extension but internal support - TestFormatSpecifier(tp, tz, "%H", "00"); - TestFormatSpecifier(tp, tz, "%I", "12"); - TestFormatSpecifier(tp, tz, "%j", "001"); - TestFormatSpecifier(tp, tz, "%m", "01"); - TestFormatSpecifier(tp, tz, "%M", "00"); - TestFormatSpecifier(tp, tz, "%S", "00"); - TestFormatSpecifier(tp, tz, "%U", "00"); -#if !defined(__EMSCRIPTEN__) - TestFormatSpecifier(tp, tz, "%w", "4"); // 4=Thursday -#endif - TestFormatSpecifier(tp, tz, "%W", "00"); - TestFormatSpecifier(tp, tz, "%y", "70"); - TestFormatSpecifier(tp, tz, "%Y", "1970"); - TestFormatSpecifier(tp, tz, "%z", "+0000"); - TestFormatSpecifier(tp, tz, "%Z", "UTC"); - TestFormatSpecifier(tp, tz, "%%", "%"); - -#if defined(__linux__) - // SU/C99/TZ extensions - TestFormatSpecifier(tp, tz, "%C", "19"); - TestFormatSpecifier(tp, tz, "%D", "01/01/70"); - TestFormatSpecifier(tp, tz, "%F", "1970-01-01"); - TestFormatSpecifier(tp, tz, "%g", "70"); - TestFormatSpecifier(tp, tz, "%G", "1970"); - TestFormatSpecifier(tp, tz, "%k", " 0"); - TestFormatSpecifier(tp, tz, "%l", "12"); - TestFormatSpecifier(tp, tz, "%n", "\n"); - TestFormatSpecifier(tp, tz, "%R", "00:00"); - TestFormatSpecifier(tp, tz, "%t", "\t"); - TestFormatSpecifier(tp, tz, "%T", "00:00:00"); - TestFormatSpecifier(tp, tz, "%u", "4"); // 4=Thursday - TestFormatSpecifier(tp, tz, "%V", "01"); - TestFormatSpecifier(tp, tz, "%s", "0"); -#endif -} - -TEST(Format, LocaleSpecific) { - const time_zone tz = utc_time_zone(); - auto tp = chrono::system_clock::from_time_t(0); - - TestFormatSpecifier(tp, tz, "%a", "Thu"); - TestFormatSpecifier(tp, tz, "%A", "Thursday"); - TestFormatSpecifier(tp, tz, "%b", "Jan"); - TestFormatSpecifier(tp, tz, "%B", "January"); - - // %c should at least produce the numeric year and time-of-day. - const std::string s = format("%c", tp, utc_time_zone()); - EXPECT_THAT(s, testing::HasSubstr("1970")); - EXPECT_THAT(s, testing::HasSubstr("00:00:00")); - - TestFormatSpecifier(tp, tz, "%p", "AM"); - TestFormatSpecifier(tp, tz, "%x", "01/01/70"); - TestFormatSpecifier(tp, tz, "%X", "00:00:00"); - -#if defined(__linux__) - // SU/C99/TZ extensions - TestFormatSpecifier(tp, tz, "%h", "Jan"); // Same as %b - TestFormatSpecifier(tp, tz, "%P", "am"); - TestFormatSpecifier(tp, tz, "%r", "12:00:00 AM"); - - // Modified conversion specifiers %E_ - TestFormatSpecifier(tp, tz, "%Ec", "Thu Jan 1 00:00:00 1970"); - TestFormatSpecifier(tp, tz, "%EC", "19"); - TestFormatSpecifier(tp, tz, "%Ex", "01/01/70"); - TestFormatSpecifier(tp, tz, "%EX", "00:00:00"); - TestFormatSpecifier(tp, tz, "%Ey", "70"); - TestFormatSpecifier(tp, tz, "%EY", "1970"); - - // Modified conversion specifiers %O_ - TestFormatSpecifier(tp, tz, "%Od", "01"); - TestFormatSpecifier(tp, tz, "%Oe", " 1"); - TestFormatSpecifier(tp, tz, "%OH", "00"); - TestFormatSpecifier(tp, tz, "%OI", "12"); - TestFormatSpecifier(tp, tz, "%Om", "01"); - TestFormatSpecifier(tp, tz, "%OM", "00"); - TestFormatSpecifier(tp, tz, "%OS", "00"); - TestFormatSpecifier(tp, tz, "%Ou", "4"); // 4=Thursday - TestFormatSpecifier(tp, tz, "%OU", "00"); - TestFormatSpecifier(tp, tz, "%OV", "01"); - TestFormatSpecifier(tp, tz, "%Ow", "4"); // 4=Thursday - TestFormatSpecifier(tp, tz, "%OW", "00"); - TestFormatSpecifier(tp, tz, "%Oy", "70"); -#endif -} - -TEST(Format, Escaping) { - const time_zone tz = utc_time_zone(); - auto tp = chrono::system_clock::from_time_t(0); - - TestFormatSpecifier(tp, tz, "%%", "%"); - TestFormatSpecifier(tp, tz, "%%a", "%a"); - TestFormatSpecifier(tp, tz, "%%b", "%b"); - TestFormatSpecifier(tp, tz, "%%Ea", "%Ea"); - TestFormatSpecifier(tp, tz, "%%Es", "%Es"); - TestFormatSpecifier(tp, tz, "%%E3S", "%E3S"); - TestFormatSpecifier(tp, tz, "%%OS", "%OS"); - TestFormatSpecifier(tp, tz, "%%O3S", "%O3S"); - - // Multiple levels of escaping. - TestFormatSpecifier(tp, tz, "%%%Y", "%1970"); - TestFormatSpecifier(tp, tz, "%%%E3S", "%00.000"); - TestFormatSpecifier(tp, tz, "%%%%E3S", "%%E3S"); -} - -TEST(Format, ExtendedSeconds) { - const time_zone tz = utc_time_zone(); - - // No subseconds. - time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0); - tp += chrono::seconds(5); - EXPECT_EQ("05", format("%E*S", tp, tz)); - EXPECT_EQ("05", format("%E0S", tp, tz)); - EXPECT_EQ("05.0", format("%E1S", tp, tz)); - EXPECT_EQ("05.00", format("%E2S", tp, tz)); - EXPECT_EQ("05.000", format("%E3S", tp, tz)); - EXPECT_EQ("05.0000", format("%E4S", tp, tz)); - EXPECT_EQ("05.00000", format("%E5S", tp, tz)); - EXPECT_EQ("05.000000", format("%E6S", tp, tz)); - EXPECT_EQ("05.0000000", format("%E7S", tp, tz)); - EXPECT_EQ("05.00000000", format("%E8S", tp, tz)); - EXPECT_EQ("05.000000000", format("%E9S", tp, tz)); - EXPECT_EQ("05.0000000000", format("%E10S", tp, tz)); - EXPECT_EQ("05.00000000000", format("%E11S", tp, tz)); - EXPECT_EQ("05.000000000000", format("%E12S", tp, tz)); - EXPECT_EQ("05.0000000000000", format("%E13S", tp, tz)); - EXPECT_EQ("05.00000000000000", format("%E14S", tp, tz)); - EXPECT_EQ("05.000000000000000", format("%E15S", tp, tz)); - - // With subseconds. - tp += chrono::milliseconds(6) + chrono::microseconds(7) + - chrono::nanoseconds(8); - EXPECT_EQ("05.006007008", format("%E*S", tp, tz)); - EXPECT_EQ("05", format("%E0S", tp, tz)); - EXPECT_EQ("05.0", format("%E1S", tp, tz)); - EXPECT_EQ("05.00", format("%E2S", tp, tz)); - EXPECT_EQ("05.006", format("%E3S", tp, tz)); - EXPECT_EQ("05.0060", format("%E4S", tp, tz)); - EXPECT_EQ("05.00600", format("%E5S", tp, tz)); - EXPECT_EQ("05.006007", format("%E6S", tp, tz)); - EXPECT_EQ("05.0060070", format("%E7S", tp, tz)); - EXPECT_EQ("05.00600700", format("%E8S", tp, tz)); - EXPECT_EQ("05.006007008", format("%E9S", tp, tz)); - EXPECT_EQ("05.0060070080", format("%E10S", tp, tz)); - EXPECT_EQ("05.00600700800", format("%E11S", tp, tz)); - EXPECT_EQ("05.006007008000", format("%E12S", tp, tz)); - EXPECT_EQ("05.0060070080000", format("%E13S", tp, tz)); - EXPECT_EQ("05.00600700800000", format("%E14S", tp, tz)); - EXPECT_EQ("05.006007008000000", format("%E15S", tp, tz)); - - // Times before the Unix epoch. - tp = chrono::system_clock::from_time_t(0) + chrono::microseconds(-1); - EXPECT_EQ("1969-12-31 23:59:59.999999", - format("%Y-%m-%d %H:%M:%E*S", tp, tz)); - - // Here is a "%E*S" case we got wrong for a while. While the first - // instant below is correctly rendered as "...:07.333304", the second - // one used to appear as "...:07.33330499999999999". - tp = chrono::system_clock::from_time_t(0) + - chrono::microseconds(1395024427333304); - EXPECT_EQ("2014-03-17 02:47:07.333304", - format("%Y-%m-%d %H:%M:%E*S", tp, tz)); - tp += chrono::microseconds(1); - EXPECT_EQ("2014-03-17 02:47:07.333305", - format("%Y-%m-%d %H:%M:%E*S", tp, tz)); -} - -TEST(Format, ExtendedSubeconds) { - const time_zone tz = utc_time_zone(); - - // No subseconds. - time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0); - tp += chrono::seconds(5); - EXPECT_EQ("0", format("%E*f", tp, tz)); - EXPECT_EQ("", format("%E0f", tp, tz)); - EXPECT_EQ("0", format("%E1f", tp, tz)); - EXPECT_EQ("00", format("%E2f", tp, tz)); - EXPECT_EQ("000", format("%E3f", tp, tz)); - EXPECT_EQ("0000", format("%E4f", tp, tz)); - EXPECT_EQ("00000", format("%E5f", tp, tz)); - EXPECT_EQ("000000", format("%E6f", tp, tz)); - EXPECT_EQ("0000000", format("%E7f", tp, tz)); - EXPECT_EQ("00000000", format("%E8f", tp, tz)); - EXPECT_EQ("000000000", format("%E9f", tp, tz)); - EXPECT_EQ("0000000000", format("%E10f", tp, tz)); - EXPECT_EQ("00000000000", format("%E11f", tp, tz)); - EXPECT_EQ("000000000000", format("%E12f", tp, tz)); - EXPECT_EQ("0000000000000", format("%E13f", tp, tz)); - EXPECT_EQ("00000000000000", format("%E14f", tp, tz)); - EXPECT_EQ("000000000000000", format("%E15f", tp, tz)); - - // With subseconds. - tp += chrono::milliseconds(6) + chrono::microseconds(7) + - chrono::nanoseconds(8); - EXPECT_EQ("006007008", format("%E*f", tp, tz)); - EXPECT_EQ("", format("%E0f", tp, tz)); - EXPECT_EQ("0", format("%E1f", tp, tz)); - EXPECT_EQ("00", format("%E2f", tp, tz)); - EXPECT_EQ("006", format("%E3f", tp, tz)); - EXPECT_EQ("0060", format("%E4f", tp, tz)); - EXPECT_EQ("00600", format("%E5f", tp, tz)); - EXPECT_EQ("006007", format("%E6f", tp, tz)); - EXPECT_EQ("0060070", format("%E7f", tp, tz)); - EXPECT_EQ("00600700", format("%E8f", tp, tz)); - EXPECT_EQ("006007008", format("%E9f", tp, tz)); - EXPECT_EQ("0060070080", format("%E10f", tp, tz)); - EXPECT_EQ("00600700800", format("%E11f", tp, tz)); - EXPECT_EQ("006007008000", format("%E12f", tp, tz)); - EXPECT_EQ("0060070080000", format("%E13f", tp, tz)); - EXPECT_EQ("00600700800000", format("%E14f", tp, tz)); - EXPECT_EQ("006007008000000", format("%E15f", tp, tz)); - - // Times before the Unix epoch. - tp = chrono::system_clock::from_time_t(0) + chrono::microseconds(-1); - EXPECT_EQ("1969-12-31 23:59:59.999999", - format("%Y-%m-%d %H:%M:%S.%E*f", tp, tz)); - - // Here is a "%E*S" case we got wrong for a while. While the first - // instant below is correctly rendered as "...:07.333304", the second - // one used to appear as "...:07.33330499999999999". - tp = chrono::system_clock::from_time_t(0) + - chrono::microseconds(1395024427333304); - EXPECT_EQ("2014-03-17 02:47:07.333304", - format("%Y-%m-%d %H:%M:%S.%E*f", tp, tz)); - tp += chrono::microseconds(1); - EXPECT_EQ("2014-03-17 02:47:07.333305", - format("%Y-%m-%d %H:%M:%S.%E*f", tp, tz)); -} - -TEST(Format, CompareExtendSecondsVsSubseconds) { - const time_zone tz = utc_time_zone(); - - // This test case illustrates the differences/similarities between: - // fmt_A: %E<prec>S - // fmt_B: %S.%E<prec>f - auto fmt_A = [](const std::string& prec) { return "%E" + prec + "S"; }; - auto fmt_B = [](const std::string& prec) { return "%S.%E" + prec + "f"; }; - - // No subseconds: - time_point<chrono::nanoseconds> tp = chrono::system_clock::from_time_t(0); - tp += chrono::seconds(5); - // ... %E*S and %S.%E*f are different. - EXPECT_EQ("05", format(fmt_A("*"), tp, tz)); - EXPECT_EQ("05.0", format(fmt_B("*"), tp, tz)); - // ... %E0S and %S.%E0f are different. - EXPECT_EQ("05", format(fmt_A("0"), tp, tz)); - EXPECT_EQ("05.", format(fmt_B("0"), tp, tz)); - // ... %E<prec>S and %S.%E<prec>f are the same for prec in [1:15]. - for (int prec = 1; prec <= 15; ++prec) { - const std::string a = format(fmt_A(std::to_string(prec)), tp, tz); - const std::string b = format(fmt_B(std::to_string(prec)), tp, tz); - EXPECT_EQ(a, b) << "prec=" << prec; - } - - // With subseconds: - // ... %E*S and %S.%E*f are the same. - tp += chrono::milliseconds(6) + chrono::microseconds(7) + - chrono::nanoseconds(8); - EXPECT_EQ("05.006007008", format(fmt_A("*"), tp, tz)); - EXPECT_EQ("05.006007008", format(fmt_B("*"), tp, tz)); - // ... %E0S and %S.%E0f are different. - EXPECT_EQ("05", format(fmt_A("0"), tp, tz)); - EXPECT_EQ("05.", format(fmt_B("0"), tp, tz)); - // ... %E<prec>S and %S.%E<prec>f are the same for prec in [1:15]. - for (int prec = 1; prec <= 15; ++prec) { - const std::string a = format(fmt_A(std::to_string(prec)), tp, tz); - const std::string b = format(fmt_B(std::to_string(prec)), tp, tz); - EXPECT_EQ(a, b) << "prec=" << prec; - } -} - -TEST(Format, ExtendedOffset) { - const auto tp = chrono::system_clock::from_time_t(0); - - auto tz = fixed_time_zone(absl::time_internal::cctz::seconds::zero()); - TestFormatSpecifier(tp, tz, "%z", "+0000"); - TestFormatSpecifier(tp, tz, "%:z", "+00:00"); - TestFormatSpecifier(tp, tz, "%Ez", "+00:00"); - - tz = fixed_time_zone(chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%z", "+0000"); - TestFormatSpecifier(tp, tz, "%:z", "+00:00"); - TestFormatSpecifier(tp, tz, "%Ez", "+00:00"); - - tz = fixed_time_zone(-chrono::seconds(56)); // NOTE: +00:00 - TestFormatSpecifier(tp, tz, "%z", "+0000"); - TestFormatSpecifier(tp, tz, "%:z", "+00:00"); - TestFormatSpecifier(tp, tz, "%Ez", "+00:00"); - - tz = fixed_time_zone(chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%z", "+0034"); - TestFormatSpecifier(tp, tz, "%:z", "+00:34"); - TestFormatSpecifier(tp, tz, "%Ez", "+00:34"); - - tz = fixed_time_zone(-chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%z", "-0034"); - TestFormatSpecifier(tp, tz, "%:z", "-00:34"); - TestFormatSpecifier(tp, tz, "%Ez", "-00:34"); - - tz = fixed_time_zone(chrono::minutes(34) + chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%z", "+0034"); - TestFormatSpecifier(tp, tz, "%:z", "+00:34"); - TestFormatSpecifier(tp, tz, "%Ez", "+00:34"); - - tz = fixed_time_zone(-chrono::minutes(34) - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%z", "-0034"); - TestFormatSpecifier(tp, tz, "%:z", "-00:34"); - TestFormatSpecifier(tp, tz, "%Ez", "-00:34"); - - tz = fixed_time_zone(chrono::hours(12)); - TestFormatSpecifier(tp, tz, "%z", "+1200"); - TestFormatSpecifier(tp, tz, "%:z", "+12:00"); - TestFormatSpecifier(tp, tz, "%Ez", "+12:00"); - - tz = fixed_time_zone(-chrono::hours(12)); - TestFormatSpecifier(tp, tz, "%z", "-1200"); - TestFormatSpecifier(tp, tz, "%:z", "-12:00"); - TestFormatSpecifier(tp, tz, "%Ez", "-12:00"); - - tz = fixed_time_zone(chrono::hours(12) + chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%z", "+1200"); - TestFormatSpecifier(tp, tz, "%:z", "+12:00"); - TestFormatSpecifier(tp, tz, "%Ez", "+12:00"); - - tz = fixed_time_zone(-chrono::hours(12) - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%z", "-1200"); - TestFormatSpecifier(tp, tz, "%:z", "-12:00"); - TestFormatSpecifier(tp, tz, "%Ez", "-12:00"); - - tz = fixed_time_zone(chrono::hours(12) + chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%z", "+1234"); - TestFormatSpecifier(tp, tz, "%:z", "+12:34"); - TestFormatSpecifier(tp, tz, "%Ez", "+12:34"); - - tz = fixed_time_zone(-chrono::hours(12) - chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%z", "-1234"); - TestFormatSpecifier(tp, tz, "%:z", "-12:34"); - TestFormatSpecifier(tp, tz, "%Ez", "-12:34"); - - tz = fixed_time_zone(chrono::hours(12) + chrono::minutes(34) + - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%z", "+1234"); - TestFormatSpecifier(tp, tz, "%:z", "+12:34"); - TestFormatSpecifier(tp, tz, "%Ez", "+12:34"); - - tz = fixed_time_zone(-chrono::hours(12) - chrono::minutes(34) - - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%z", "-1234"); - TestFormatSpecifier(tp, tz, "%:z", "-12:34"); - TestFormatSpecifier(tp, tz, "%Ez", "-12:34"); -} - -TEST(Format, ExtendedSecondOffset) { - const auto tp = chrono::system_clock::from_time_t(0); - - auto tz = fixed_time_zone(absl::time_internal::cctz::seconds::zero()); - TestFormatSpecifier(tp, tz, "%E*z", "+00:00:00"); - TestFormatSpecifier(tp, tz, "%::z", "+00:00:00"); - TestFormatSpecifier(tp, tz, "%:::z", "+00"); - - tz = fixed_time_zone(chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "+00:00:56"); - TestFormatSpecifier(tp, tz, "%::z", "+00:00:56"); - TestFormatSpecifier(tp, tz, "%:::z", "+00:00:56"); - - tz = fixed_time_zone(-chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "-00:00:56"); - TestFormatSpecifier(tp, tz, "%::z", "-00:00:56"); - TestFormatSpecifier(tp, tz, "%:::z", "-00:00:56"); - - tz = fixed_time_zone(chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%E*z", "+00:34:00"); - TestFormatSpecifier(tp, tz, "%::z", "+00:34:00"); - TestFormatSpecifier(tp, tz, "%:::z", "+00:34"); - - tz = fixed_time_zone(-chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%E*z", "-00:34:00"); - TestFormatSpecifier(tp, tz, "%::z", "-00:34:00"); - TestFormatSpecifier(tp, tz, "%:::z", "-00:34"); - - tz = fixed_time_zone(chrono::minutes(34) + chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "+00:34:56"); - TestFormatSpecifier(tp, tz, "%::z", "+00:34:56"); - TestFormatSpecifier(tp, tz, "%:::z", "+00:34:56"); - - tz = fixed_time_zone(-chrono::minutes(34) - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "-00:34:56"); - TestFormatSpecifier(tp, tz, "%::z", "-00:34:56"); - TestFormatSpecifier(tp, tz, "%:::z", "-00:34:56"); - - tz = fixed_time_zone(chrono::hours(12)); - TestFormatSpecifier(tp, tz, "%E*z", "+12:00:00"); - TestFormatSpecifier(tp, tz, "%::z", "+12:00:00"); - TestFormatSpecifier(tp, tz, "%:::z", "+12"); - - tz = fixed_time_zone(-chrono::hours(12)); - TestFormatSpecifier(tp, tz, "%E*z", "-12:00:00"); - TestFormatSpecifier(tp, tz, "%::z", "-12:00:00"); - TestFormatSpecifier(tp, tz, "%:::z", "-12"); - - tz = fixed_time_zone(chrono::hours(12) + chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "+12:00:56"); - TestFormatSpecifier(tp, tz, "%::z", "+12:00:56"); - TestFormatSpecifier(tp, tz, "%:::z", "+12:00:56"); - - tz = fixed_time_zone(-chrono::hours(12) - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "-12:00:56"); - TestFormatSpecifier(tp, tz, "%::z", "-12:00:56"); - TestFormatSpecifier(tp, tz, "%:::z", "-12:00:56"); - - tz = fixed_time_zone(chrono::hours(12) + chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%E*z", "+12:34:00"); - TestFormatSpecifier(tp, tz, "%::z", "+12:34:00"); - TestFormatSpecifier(tp, tz, "%:::z", "+12:34"); - - tz = fixed_time_zone(-chrono::hours(12) - chrono::minutes(34)); - TestFormatSpecifier(tp, tz, "%E*z", "-12:34:00"); - TestFormatSpecifier(tp, tz, "%::z", "-12:34:00"); - TestFormatSpecifier(tp, tz, "%:::z", "-12:34"); - - tz = fixed_time_zone(chrono::hours(12) + chrono::minutes(34) + - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "+12:34:56"); - TestFormatSpecifier(tp, tz, "%::z", "+12:34:56"); - TestFormatSpecifier(tp, tz, "%:::z", "+12:34:56"); - - tz = fixed_time_zone(-chrono::hours(12) - chrono::minutes(34) - - chrono::seconds(56)); - TestFormatSpecifier(tp, tz, "%E*z", "-12:34:56"); - TestFormatSpecifier(tp, tz, "%::z", "-12:34:56"); - TestFormatSpecifier(tp, tz, "%:::z", "-12:34:56"); -} - -TEST(Format, ExtendedYears) { - const time_zone utc = utc_time_zone(); - const char e4y_fmt[] = "%E4Y%m%d"; // no separators - - // %E4Y zero-pads the year to produce at least 4 chars, including the sign. - auto tp = convert(civil_second(-999, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("-9991127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(-99, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("-0991127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(-9, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("-0091127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(-1, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("-0011127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(0, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("00001127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(1, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("00011127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(9, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("00091127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(99, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("00991127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(999, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("09991127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(9999, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("99991127", format(e4y_fmt, tp, utc)); - - // When the year is outside [-999:9999], more than 4 chars are produced. - tp = convert(civil_second(-1000, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("-10001127", format(e4y_fmt, tp, utc)); - tp = convert(civil_second(10000, 11, 27, 0, 0, 0), utc); - EXPECT_EQ("100001127", format(e4y_fmt, tp, utc)); -} - -TEST(Format, RFC3339Format) { - time_zone tz; - EXPECT_TRUE(load_time_zone("America/Los_Angeles", &tz)); - - time_point<chrono::nanoseconds> tp = - convert(civil_second(1977, 6, 28, 9, 8, 7), tz); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::milliseconds(100); - EXPECT_EQ("1977-06-28T09:08:07.1-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::milliseconds(20); - EXPECT_EQ("1977-06-28T09:08:07.12-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::milliseconds(3); - EXPECT_EQ("1977-06-28T09:08:07.123-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::microseconds(400); - EXPECT_EQ("1977-06-28T09:08:07.1234-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::microseconds(50); - EXPECT_EQ("1977-06-28T09:08:07.12345-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::microseconds(6); - EXPECT_EQ("1977-06-28T09:08:07.123456-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::nanoseconds(700); - EXPECT_EQ("1977-06-28T09:08:07.1234567-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::nanoseconds(80); - EXPECT_EQ("1977-06-28T09:08:07.12345678-07:00", format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); - - tp += chrono::nanoseconds(9); - EXPECT_EQ("1977-06-28T09:08:07.123456789-07:00", - format(RFC3339_full, tp, tz)); - EXPECT_EQ("1977-06-28T09:08:07-07:00", format(RFC3339_sec, tp, tz)); -} - -TEST(Format, RFC1123Format) { // locale specific - time_zone tz; - EXPECT_TRUE(load_time_zone("America/Los_Angeles", &tz)); - - auto tp = convert(civil_second(1977, 6, 28, 9, 8, 7), tz); - EXPECT_EQ("Tue, 28 Jun 1977 09:08:07 -0700", format(RFC1123_full, tp, tz)); - EXPECT_EQ("28 Jun 1977 09:08:07 -0700", format(RFC1123_no_wday, tp, tz)); -} - -TEST(Format, Week) { - const time_zone utc = utc_time_zone(); - - auto tp = convert(civil_second(2017, 1, 1, 0, 0, 0), utc); - EXPECT_EQ("2017-01-7", format("%Y-%U-%u", tp, utc)); - EXPECT_EQ("2017-00-0", format("%Y-%W-%w", tp, utc)); - - tp = convert(civil_second(2017, 12, 31, 0, 0, 0), utc); - EXPECT_EQ("2017-53-7", format("%Y-%U-%u", tp, utc)); - EXPECT_EQ("2017-52-0", format("%Y-%W-%w", tp, utc)); - - tp = convert(civil_second(2018, 1, 1, 0, 0, 0), utc); - EXPECT_EQ("2018-00-1", format("%Y-%U-%u", tp, utc)); - EXPECT_EQ("2018-01-1", format("%Y-%W-%w", tp, utc)); - - tp = convert(civil_second(2018, 12, 31, 0, 0, 0), utc); - EXPECT_EQ("2018-52-1", format("%Y-%U-%u", tp, utc)); - EXPECT_EQ("2018-53-1", format("%Y-%W-%w", tp, utc)); - - tp = convert(civil_second(2019, 1, 1, 0, 0, 0), utc); - EXPECT_EQ("2019-00-2", format("%Y-%U-%u", tp, utc)); - EXPECT_EQ("2019-00-2", format("%Y-%W-%w", tp, utc)); - - tp = convert(civil_second(2019, 12, 31, 0, 0, 0), utc); - EXPECT_EQ("2019-52-2", format("%Y-%U-%u", tp, utc)); - EXPECT_EQ("2019-52-2", format("%Y-%W-%w", tp, utc)); -} - -// -// Testing parse() -// - -TEST(Parse, TimePointResolution) { - const char kFmt[] = "%H:%M:%E*S"; - const time_zone utc = utc_time_zone(); - - time_point<chrono::nanoseconds> tp_ns; - EXPECT_TRUE(parse(kFmt, "03:04:05.123456789", utc, &tp_ns)); - EXPECT_EQ("03:04:05.123456789", format(kFmt, tp_ns, utc)); - EXPECT_TRUE(parse(kFmt, "03:04:05.123456", utc, &tp_ns)); - EXPECT_EQ("03:04:05.123456", format(kFmt, tp_ns, utc)); - - time_point<chrono::microseconds> tp_us; - EXPECT_TRUE(parse(kFmt, "03:04:05.123456789", utc, &tp_us)); - EXPECT_EQ("03:04:05.123456", format(kFmt, tp_us, utc)); - EXPECT_TRUE(parse(kFmt, "03:04:05.123456", utc, &tp_us)); - EXPECT_EQ("03:04:05.123456", format(kFmt, tp_us, utc)); - EXPECT_TRUE(parse(kFmt, "03:04:05.123", utc, &tp_us)); - EXPECT_EQ("03:04:05.123", format(kFmt, tp_us, utc)); - - time_point<chrono::milliseconds> tp_ms; - EXPECT_TRUE(parse(kFmt, "03:04:05.123456", utc, &tp_ms)); - EXPECT_EQ("03:04:05.123", format(kFmt, tp_ms, utc)); - EXPECT_TRUE(parse(kFmt, "03:04:05.123", utc, &tp_ms)); - EXPECT_EQ("03:04:05.123", format(kFmt, tp_ms, utc)); - EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_ms)); - EXPECT_EQ("03:04:05", format(kFmt, tp_ms, utc)); - - time_point<chrono::seconds> tp_s; - EXPECT_TRUE(parse(kFmt, "03:04:05.123", utc, &tp_s)); - EXPECT_EQ("03:04:05", format(kFmt, tp_s, utc)); - EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_s)); - EXPECT_EQ("03:04:05", format(kFmt, tp_s, utc)); - - time_point<chrono::minutes> tp_m; - EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_m)); - EXPECT_EQ("03:04:00", format(kFmt, tp_m, utc)); - - time_point<chrono::hours> tp_h; - EXPECT_TRUE(parse(kFmt, "03:04:05", utc, &tp_h)); - EXPECT_EQ("03:00:00", format(kFmt, tp_h, utc)); -} - -TEST(Parse, TimePointExtendedResolution) { - const char kFmt[] = "%H:%M:%E*S"; - const time_zone utc = utc_time_zone(); - - time_point<absl::time_internal::cctz::seconds> tp; - detail::femtoseconds fs; - EXPECT_TRUE(detail::parse(kFmt, "12:34:56.123456789012345", utc, &tp, &fs)); - EXPECT_EQ("12:34:56.123456789012345", detail::format(kFmt, tp, fs, utc)); - EXPECT_TRUE(detail::parse(kFmt, "12:34:56.012345678901234", utc, &tp, &fs)); - EXPECT_EQ("12:34:56.012345678901234", detail::format(kFmt, tp, fs, utc)); - EXPECT_TRUE(detail::parse(kFmt, "12:34:56.001234567890123", utc, &tp, &fs)); - EXPECT_EQ("12:34:56.001234567890123", detail::format(kFmt, tp, fs, utc)); - EXPECT_TRUE(detail::parse(kFmt, "12:34:56.000000000000123", utc, &tp, &fs)); - EXPECT_EQ("12:34:56.000000000000123", detail::format(kFmt, tp, fs, utc)); - EXPECT_TRUE(detail::parse(kFmt, "12:34:56.000000000000012", utc, &tp, &fs)); - EXPECT_EQ("12:34:56.000000000000012", detail::format(kFmt, tp, fs, utc)); - EXPECT_TRUE(detail::parse(kFmt, "12:34:56.000000000000001", utc, &tp, &fs)); - EXPECT_EQ("12:34:56.000000000000001", detail::format(kFmt, tp, fs, utc)); -} - -TEST(Parse, Basics) { - time_zone tz = utc_time_zone(); - time_point<chrono::nanoseconds> tp = - chrono::system_clock::from_time_t(1234567890); - - // Simple edge cases. - EXPECT_TRUE(parse("", "", tz, &tp)); - EXPECT_EQ(chrono::system_clock::from_time_t(0), tp); // everything defaulted - EXPECT_TRUE(parse(" ", " ", tz, &tp)); - EXPECT_TRUE(parse(" ", " ", tz, &tp)); - EXPECT_TRUE(parse("x", "x", tz, &tp)); - EXPECT_TRUE(parse("xxx", "xxx", tz, &tp)); - - EXPECT_TRUE( - parse("%Y-%m-%d %H:%M:%S %z", "2013-06-28 19:08:09 -0800", tz, &tp)); - ExpectTime(tp, tz, 2013, 6, 29, 3, 8, 9, 0, false, "UTC"); -} - -TEST(Parse, WithTimeZone) { - time_zone tz; - EXPECT_TRUE(load_time_zone("America/Los_Angeles", &tz)); - time_point<chrono::nanoseconds> tp; - - // We can parse a string without a UTC offset if we supply a timezone. - EXPECT_TRUE(parse("%Y-%m-%d %H:%M:%S", "2013-06-28 19:08:09", tz, &tp)); - ExpectTime(tp, tz, 2013, 6, 28, 19, 8, 9, -7 * 60 * 60, true, "PDT"); - - // But the timezone is ignored when a UTC offset is present. - EXPECT_TRUE(parse("%Y-%m-%d %H:%M:%S %z", "2013-06-28 19:08:09 +0800", - utc_time_zone(), &tp)); - ExpectTime(tp, tz, 2013, 6, 28, 19 - 8 - 7, 8, 9, -7 * 60 * 60, true, "PDT"); - - // Check a skipped time (a Spring DST transition). parse() uses the - // pre-transition offset. - EXPECT_TRUE(parse("%Y-%m-%d %H:%M:%S", "2011-03-13 02:15:00", tz, &tp)); - ExpectTime(tp, tz, 2011, 3, 13, 3, 15, 0, -7 * 60 * 60, true, "PDT"); - - // Check a repeated time (a Fall DST transition). parse() uses the - // pre-transition offset. - EXPECT_TRUE(parse("%Y-%m-%d %H:%M:%S", "2011-11-06 01:15:00", tz, &tp)); - ExpectTime(tp, tz, 2011, 11, 6, 1, 15, 0, -7 * 60 * 60, true, "PDT"); -} - -TEST(Parse, LeapSecond) { - time_zone tz; - EXPECT_TRUE(load_time_zone("America/Los_Angeles", &tz)); - time_point<chrono::nanoseconds> tp; - - // ":59" -> ":59" - EXPECT_TRUE(parse(RFC3339_full, "2013-06-28T07:08:59-08:00", tz, &tp)); - ExpectTime(tp, tz, 2013, 6, 28, 8, 8, 59, -7 * 60 * 60, true, "PDT"); - - // ":59.5" -> ":59.5" - EXPECT_TRUE(parse(RFC3339_full, "2013-06-28T07:08:59.5-08:00", tz, &tp)); - ExpectTime(tp, tz, 2013, 6, 28, 8, 8, 59, -7 * 60 * 60, true, "PDT"); - - // ":60" -> ":00" - EXPECT_TRUE(parse(RFC3339_full, "2013-06-28T07:08:60-08:00", tz, &tp)); - ExpectTime(tp, tz, 2013, 6, 28, 8, 9, 0, -7 * 60 * 60, true, "PDT"); - - // ":60.5" -> ":00.0" - EXPECT_TRUE(parse(RFC3339_full, "2013-06-28T07:08:60.5-08:00", tz, &tp)); - ExpectTime(tp, tz, 2013, 6, 28, 8, 9, 0, -7 * 60 * 60, true, "PDT"); - - // ":61" -> error - EXPECT_FALSE(parse(RFC3339_full, "2013-06-28T07:08:61-08:00", tz, &tp)); -} - -TEST(Parse, ErrorCases) { - const time_zone tz = utc_time_zone(); - auto tp = chrono::system_clock::from_time_t(0); - - // Illegal trailing data. - EXPECT_FALSE(parse("%S", "123", tz, &tp)); - - // Can't parse an illegal format specifier. - EXPECT_FALSE(parse("%Q", "x", tz, &tp)); - - // Fails because of trailing, unparsed data "blah". - EXPECT_FALSE(parse("%m-%d", "2-3 blah", tz, &tp)); - - // Trailing whitespace is allowed. - EXPECT_TRUE(parse("%m-%d", "2-3 ", tz, &tp)); - EXPECT_EQ(2, convert(tp, utc_time_zone()).month()); - EXPECT_EQ(3, convert(tp, utc_time_zone()).day()); - - // Feb 31 requires normalization. - EXPECT_FALSE(parse("%m-%d", "2-31", tz, &tp)); - - // Check that we cannot have spaces in UTC offsets. - EXPECT_TRUE(parse("%z", "-0203", tz, &tp)); - EXPECT_FALSE(parse("%z", "- 2 3", tz, &tp)); - EXPECT_TRUE(parse("%Ez", "-02:03", tz, &tp)); - EXPECT_FALSE(parse("%Ez", "- 2: 3", tz, &tp)); - - // Check that we reject other malformed UTC offsets. - EXPECT_FALSE(parse("%Ez", "+-08:00", tz, &tp)); - EXPECT_FALSE(parse("%Ez", "-+08:00", tz, &tp)); - - // Check that we do not accept "-0" in fields that allow zero. - EXPECT_FALSE(parse("%Y", "-0", tz, &tp)); - EXPECT_FALSE(parse("%E4Y", "-0", tz, &tp)); - EXPECT_FALSE(parse("%H", "-0", tz, &tp)); - EXPECT_FALSE(parse("%M", "-0", tz, &tp)); - EXPECT_FALSE(parse("%S", "-0", tz, &tp)); - EXPECT_FALSE(parse("%z", "+-000", tz, &tp)); - EXPECT_FALSE(parse("%Ez", "+-0:00", tz, &tp)); - EXPECT_FALSE(parse("%z", "-00-0", tz, &tp)); - EXPECT_FALSE(parse("%Ez", "-00:-0", tz, &tp)); -} - -TEST(Parse, PosixConversions) { - time_zone tz = utc_time_zone(); - auto tp = chrono::system_clock::from_time_t(0); - const auto reset = convert(civil_second(1977, 6, 28, 9, 8, 7), tz); - - tp = reset; - EXPECT_TRUE(parse("%d", "15", tz, &tp)); - EXPECT_EQ(15, convert(tp, tz).day()); - - // %e is an extension, but is supported internally. - tp = reset; - EXPECT_TRUE(parse("%e", "15", tz, &tp)); - EXPECT_EQ(15, convert(tp, tz).day()); // Equivalent to %d - - tp = reset; - EXPECT_TRUE(parse("%H", "17", tz, &tp)); - EXPECT_EQ(17, convert(tp, tz).hour()); - - tp = reset; - EXPECT_TRUE(parse("%I", "5", tz, &tp)); - EXPECT_EQ(5, convert(tp, tz).hour()); - - // %j is parsed but ignored. - EXPECT_TRUE(parse("%j", "32", tz, &tp)); - - tp = reset; - EXPECT_TRUE(parse("%m", "11", tz, &tp)); - EXPECT_EQ(11, convert(tp, tz).month()); - - tp = reset; - EXPECT_TRUE(parse("%M", "33", tz, &tp)); - EXPECT_EQ(33, convert(tp, tz).minute()); - - tp = reset; - EXPECT_TRUE(parse("%S", "55", tz, &tp)); - EXPECT_EQ(55, convert(tp, tz).second()); - - // %U is parsed but ignored. - EXPECT_TRUE(parse("%U", "15", tz, &tp)); - - // %w is parsed but ignored. - EXPECT_TRUE(parse("%w", "2", tz, &tp)); - - // %W is parsed but ignored. - EXPECT_TRUE(parse("%W", "22", tz, &tp)); - - tp = reset; - EXPECT_TRUE(parse("%y", "04", tz, &tp)); - EXPECT_EQ(2004, convert(tp, tz).year()); - - tp = reset; - EXPECT_TRUE(parse("%Y", "2004", tz, &tp)); - EXPECT_EQ(2004, convert(tp, tz).year()); - - EXPECT_TRUE(parse("%%", "%", tz, &tp)); - -#if defined(__linux__) - // SU/C99/TZ extensions - - // Because we handle each (non-internal) specifier in a separate call - // to strptime(), there is no way to group %C and %y together. So we - // just skip the %C/%y case. -#if 0 - tp = reset; - EXPECT_TRUE(parse("%C %y", "20 04", tz, &tp)); - EXPECT_EQ(2004, convert(tp, tz).year()); -#endif - - tp = reset; - EXPECT_TRUE(parse("%D", "02/03/04", tz, &tp)); - EXPECT_EQ(2, convert(tp, tz).month()); - EXPECT_EQ(3, convert(tp, tz).day()); - EXPECT_EQ(2004, convert(tp, tz).year()); - - EXPECT_TRUE(parse("%n", "\n", tz, &tp)); - - tp = reset; - EXPECT_TRUE(parse("%R", "03:44", tz, &tp)); - EXPECT_EQ(3, convert(tp, tz).hour()); - EXPECT_EQ(44, convert(tp, tz).minute()); - - EXPECT_TRUE(parse("%t", "\t\v\f\n\r ", tz, &tp)); - - tp = reset; - EXPECT_TRUE(parse("%T", "03:44:55", tz, &tp)); - EXPECT_EQ(3, convert(tp, tz).hour()); - EXPECT_EQ(44, convert(tp, tz).minute()); - EXPECT_EQ(55, convert(tp, tz).second()); - - tp = reset; - EXPECT_TRUE(parse("%s", "1234567890", tz, &tp)); - EXPECT_EQ(chrono::system_clock::from_time_t(1234567890), tp); - - // %s conversion, like %z/%Ez, pays no heed to the optional zone. - time_zone lax; - EXPECT_TRUE(load_time_zone("America/Los_Angeles", &lax)); - tp = reset; - EXPECT_TRUE(parse("%s", "1234567890", lax, &tp)); - EXPECT_EQ(chrono::system_clock::from_time_t(1234567890), tp); - - // This is most important when the time has the same YMDhms - // breakdown in the zone as some other time. For example, ... - // 1414917000 in US/Pacific -> Sun Nov 2 01:30:00 2014 (PDT) - // 1414920600 in US/Pacific -> Sun Nov 2 01:30:00 2014 (PST) - tp = reset; - EXPECT_TRUE(parse("%s", "1414917000", lax, &tp)); - EXPECT_EQ(chrono::system_clock::from_time_t(1414917000), tp); - tp = reset; - EXPECT_TRUE(parse("%s", "1414920600", lax, &tp)); - EXPECT_EQ(chrono::system_clock::from_time_t(1414920600), tp); -#endif -} - -TEST(Parse, LocaleSpecific) { - time_zone tz = utc_time_zone(); - auto tp = chrono::system_clock::from_time_t(0); - const auto reset = convert(civil_second(1977, 6, 28, 9, 8, 7), tz); - - // %a is parsed but ignored. - EXPECT_TRUE(parse("%a", "Mon", tz, &tp)); - - // %A is parsed but ignored. - EXPECT_TRUE(parse("%A", "Monday", tz, &tp)); - - tp = reset; - EXPECT_TRUE(parse("%b", "Feb", tz, &tp)); - EXPECT_EQ(2, convert(tp, tz).month()); - - tp = reset; - EXPECT_TRUE(parse("%B", "February", tz, &tp)); - EXPECT_EQ(2, convert(tp, tz).month()); - - // %p is parsed but ignored if it's alone. But it's used with %I. - EXPECT_TRUE(parse("%p", "AM", tz, &tp)); - tp = reset; - EXPECT_TRUE(parse("%I %p", "5 PM", tz, &tp)); - EXPECT_EQ(17, convert(tp, tz).hour()); - - tp = reset; - EXPECT_TRUE(parse("%x", "02/03/04", tz, &tp)); - if (convert(tp, tz).month() == 2) { - EXPECT_EQ(3, convert(tp, tz).day()); - } else { - EXPECT_EQ(2, convert(tp, tz).day()); - EXPECT_EQ(3, convert(tp, tz).month()); - } - EXPECT_EQ(2004, convert(tp, tz).year()); - - tp = reset; - EXPECT_TRUE(parse("%X", "15:44:55", tz, &tp)); - EXPECT_EQ(15, convert(tp, tz).hour()); - EXPECT_EQ(44, convert(tp, tz).minute()); - EXPECT_EQ(55, convert(tp, tz).second()); - -#if defined(__linux__) - // SU/C99/TZ extensions - - tp = reset; - EXPECT_TRUE(parse("%h", "Feb", tz, &tp)); - EXPECT_EQ(2, convert(tp, tz).month()); // Equivalent to %b - - tp = reset; - EXPECT_TRUE(parse("%l %p", "5 PM", tz, &tp)); - EXPECT_EQ(17, convert(tp, tz).hour()); - - tp = reset; - EXPECT_TRUE(parse("%r", "03:44:55 PM", tz, &tp)); - EXPECT_EQ(15, convert(tp, tz).hour()); - EXPECT_EQ(44, convert(tp, tz).minute()); - EXPECT_EQ(55, convert(tp, tz).second()); - - tp = reset; - EXPECT_TRUE(parse("%Ec", "Tue Nov 19 05:06:07 2013", tz, &tp)); - EXPECT_EQ(convert(civil_second(2013, 11, 19, 5, 6, 7), tz), tp); - - // Modified conversion specifiers %E_ - - tp = reset; - EXPECT_TRUE(parse("%Ex", "02/03/04", tz, &tp)); - EXPECT_EQ(2, convert(tp, tz).month()); - EXPECT_EQ(3, convert(tp, tz).day()); - EXPECT_EQ(2004, convert(tp, tz).year()); - - tp = reset; - EXPECT_TRUE(parse("%EX", "15:44:55", tz, &tp)); - EXPECT_EQ(15, convert(tp, tz).hour()); - EXPECT_EQ(44, convert(tp, tz).minute()); - EXPECT_EQ(55, convert(tp, tz).second()); - - // %Ey, the year offset from %EC, doesn't really make sense alone as there - // is no way to represent it in tm_year (%EC is not simply the century). - // Yet, because we handle each (non-internal) specifier in a separate call - // to strptime(), there is no way to group %EC and %Ey either. So we just - // skip the %EC and %Ey cases. - - tp = reset; - EXPECT_TRUE(parse("%EY", "2004", tz, &tp)); - EXPECT_EQ(2004, convert(tp, tz).year()); - - // Modified conversion specifiers %O_ - - tp = reset; - EXPECT_TRUE(parse("%Od", "15", tz, &tp)); - EXPECT_EQ(15, convert(tp, tz).day()); - - tp = reset; - EXPECT_TRUE(parse("%Oe", "15", tz, &tp)); - EXPECT_EQ(15, convert(tp, tz).day()); // Equivalent to %d - - tp = reset; - EXPECT_TRUE(parse("%OH", "17", tz, &tp)); - EXPECT_EQ(17, convert(tp, tz).hour()); - - tp = reset; - EXPECT_TRUE(parse("%OI", "5", tz, &tp)); - EXPECT_EQ(5, convert(tp, tz).hour()); - - tp = reset; - EXPECT_TRUE(parse("%Om", "11", tz, &tp)); - EXPECT_EQ(11, convert(tp, tz).month()); - - tp = reset; - EXPECT_TRUE(parse("%OM", "33", tz, &tp)); - EXPECT_EQ(33, convert(tp, tz).minute()); - - tp = reset; - EXPECT_TRUE(parse("%OS", "55", tz, &tp)); - EXPECT_EQ(55, convert(tp, tz).second()); - - // %OU is parsed but ignored. - EXPECT_TRUE(parse("%OU", "15", tz, &tp)); - - // %Ow is parsed but ignored. - EXPECT_TRUE(parse("%Ow", "2", tz, &tp)); - - // %OW is parsed but ignored. - EXPECT_TRUE(parse("%OW", "22", tz, &tp)); - - tp = reset; - EXPECT_TRUE(parse("%Oy", "04", tz, &tp)); - EXPECT_EQ(2004, convert(tp, tz).year()); -#endif -} - -TEST(Parse, ExtendedSeconds) { - const time_zone tz = utc_time_zone(); - const time_point<chrono::nanoseconds> unix_epoch = - chrono::system_clock::from_time_t(0); - - // All %E<prec>S cases are treated the same as %E*S on input. - auto precisions = {"*", "0", "1", "2", "3", "4", "5", "6", "7", - "8", "9", "10", "11", "12", "13", "14", "15"}; - for (const std::string& prec : precisions) { - const std::string fmt = "%E" + prec + "S"; - SCOPED_TRACE(fmt); - time_point<chrono::nanoseconds> tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "5", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.0", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.00", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.6", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(600), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.60", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(600), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.600", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(600), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.67", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(670), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.670", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(670), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "05.678", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::seconds(5) + chrono::milliseconds(678), tp); - } - - // Here is a "%E*S" case we got wrong for a while. The fractional - // part of the first instant is less than 2^31 and was correctly - // parsed, while the second (and any subsecond field >=2^31) failed. - time_point<chrono::nanoseconds> tp = unix_epoch; - EXPECT_TRUE(parse("%E*S", "0.2147483647", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp); - tp = unix_epoch; - EXPECT_TRUE(parse("%E*S", "0.2147483648", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp); - - // We should also be able to specify long strings of digits far - // beyond the current resolution and have them convert the same way. - tp = unix_epoch; - EXPECT_TRUE(parse( - "%E*S", "0.214748364801234567890123456789012345678901234567890123456789", - tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp); -} - -TEST(Parse, ExtendedSecondsScan) { - const time_zone tz = utc_time_zone(); - time_point<chrono::nanoseconds> tp; - for (int ms = 0; ms < 1000; ms += 111) { - for (int us = 0; us < 1000; us += 27) { - const int micros = ms * 1000 + us; - for (int ns = 0; ns < 1000; ns += 9) { - const auto expected = chrono::system_clock::from_time_t(0) + - chrono::nanoseconds(micros * 1000 + ns); - std::ostringstream oss; - oss << "0." << std::setfill('0') << std::setw(3); - oss << ms << std::setw(3) << us << std::setw(3) << ns; - const std::string input = oss.str(); - EXPECT_TRUE(parse("%E*S", input, tz, &tp)); - EXPECT_EQ(expected, tp) << input; - } - } - } -} - -TEST(Parse, ExtendedSubeconds) { - const time_zone tz = utc_time_zone(); - const time_point<chrono::nanoseconds> unix_epoch = - chrono::system_clock::from_time_t(0); - - // All %E<prec>f cases are treated the same as %E*f on input. - auto precisions = {"*", "0", "1", "2", "3", "4", "5", "6", "7", - "8", "9", "10", "11", "12", "13", "14", "15"}; - for (const std::string& prec : precisions) { - const std::string fmt = "%E" + prec + "f"; - SCOPED_TRACE(fmt); - time_point<chrono::nanoseconds> tp = unix_epoch - chrono::seconds(1); - EXPECT_TRUE(parse(fmt, "", tz, &tp)); - EXPECT_EQ(unix_epoch, tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "6", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::milliseconds(600), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "60", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::milliseconds(600), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "600", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::milliseconds(600), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "67", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::milliseconds(670), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "670", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::milliseconds(670), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "678", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::milliseconds(678), tp); - tp = unix_epoch; - EXPECT_TRUE(parse(fmt, "6789", tz, &tp)); - EXPECT_EQ( - unix_epoch + chrono::milliseconds(678) + chrono::microseconds(900), tp); - } - - // Here is a "%E*f" case we got wrong for a while. The fractional - // part of the first instant is less than 2^31 and was correctly - // parsed, while the second (and any subsecond field >=2^31) failed. - time_point<chrono::nanoseconds> tp = unix_epoch; - EXPECT_TRUE(parse("%E*f", "2147483647", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp); - tp = unix_epoch; - EXPECT_TRUE(parse("%E*f", "2147483648", tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp); - - // We should also be able to specify long strings of digits far - // beyond the current resolution and have them convert the same way. - tp = unix_epoch; - EXPECT_TRUE(parse( - "%E*f", "214748364801234567890123456789012345678901234567890123456789", - tz, &tp)); - EXPECT_EQ(unix_epoch + chrono::nanoseconds(214748364), tp); -} - -TEST(Parse, ExtendedSubecondsScan) { - time_point<chrono::nanoseconds> tp; - const time_zone tz = utc_time_zone(); - for (int ms = 0; ms < 1000; ms += 111) { - for (int us = 0; us < 1000; us += 27) { - const int micros = ms * 1000 + us; - for (int ns = 0; ns < 1000; ns += 9) { - std::ostringstream oss; - oss << std::setfill('0') << std::setw(3) << ms; - oss << std::setw(3) << us << std::setw(3) << ns; - const std::string nanos = oss.str(); - const auto expected = chrono::system_clock::from_time_t(0) + - chrono::nanoseconds(micros * 1000 + ns); - for (int ps = 0; ps < 1000; ps += 250) { - std::ostringstream ps_oss; - oss << std::setfill('0') << std::setw(3) << ps; - const std::string input = nanos + ps_oss.str() + "999"; - EXPECT_TRUE(parse("%E*f", input, tz, &tp)); - EXPECT_EQ(expected + chrono::nanoseconds(ps) / 1000, tp) << input; - } - } - } - } -} - -TEST(Parse, ExtendedOffset) { - const time_zone utc = utc_time_zone(); - time_point<absl::time_internal::cctz::seconds> tp; - - EXPECT_TRUE(parse("%Ez", "+00:00", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse("%Ez", "-12:34", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 34, 0), utc), tp); - EXPECT_TRUE(parse("%Ez", "+12:34", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 11, 26, 0), utc), tp); - EXPECT_FALSE(parse("%Ez", "-12:3", utc, &tp)); - - for (auto fmt : {"%Ez", "%z"}) { - EXPECT_TRUE(parse(fmt, "+0000", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "-1234", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 34, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "+1234", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 11, 26, 0), utc), tp); - EXPECT_FALSE(parse(fmt, "-123", utc, &tp)); - - EXPECT_TRUE(parse(fmt, "+00", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "-12", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "+12", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 12, 0, 0), utc), tp); - EXPECT_FALSE(parse(fmt, "-1", utc, &tp)); - } -} - -TEST(Parse, ExtendedSecondOffset) { - const time_zone utc = utc_time_zone(); - time_point<absl::time_internal::cctz::seconds> tp; - - for (auto fmt : {"%Ez", "%E*z", "%:z", "%::z", "%:::z"}) { - EXPECT_TRUE(parse(fmt, "+00:00:00", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "-12:34:56", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 34, 56), utc), tp); - EXPECT_TRUE(parse(fmt, "+12:34:56", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 11, 25, 4), utc), tp); - EXPECT_FALSE(parse(fmt, "-12:34:5", utc, &tp)); - - EXPECT_TRUE(parse(fmt, "+000000", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "-123456", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 34, 56), utc), tp); - EXPECT_TRUE(parse(fmt, "+123456", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 11, 25, 4), utc), tp); - EXPECT_FALSE(parse(fmt, "-12345", utc, &tp)); - - EXPECT_TRUE(parse(fmt, "+00:00", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "-12:34", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 34, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "+12:34", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 11, 26, 0), utc), tp); - EXPECT_FALSE(parse(fmt, "-12:3", utc, &tp)); - - EXPECT_TRUE(parse(fmt, "+0000", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "-1234", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 34, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "+1234", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 11, 26, 0), utc), tp); - EXPECT_FALSE(parse(fmt, "-123", utc, &tp)); - - EXPECT_TRUE(parse(fmt, "+00", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "-12", utc, &tp)); - EXPECT_EQ(convert(civil_second(1970, 1, 1, 12, 0, 0), utc), tp); - EXPECT_TRUE(parse(fmt, "+12", utc, &tp)); - EXPECT_EQ(convert(civil_second(1969, 12, 31, 12, 0, 0), utc), tp); - EXPECT_FALSE(parse(fmt, "-1", utc, &tp)); - } -} - -TEST(Parse, ExtendedYears) { - const time_zone utc = utc_time_zone(); - const char e4y_fmt[] = "%E4Y%m%d"; // no separators - time_point<absl::time_internal::cctz::seconds> tp; - - // %E4Y consumes exactly four chars, including any sign. - EXPECT_TRUE(parse(e4y_fmt, "-9991127", utc, &tp)); - EXPECT_EQ(convert(civil_second(-999, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "-0991127", utc, &tp)); - EXPECT_EQ(convert(civil_second(-99, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "-0091127", utc, &tp)); - EXPECT_EQ(convert(civil_second(-9, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "-0011127", utc, &tp)); - EXPECT_EQ(convert(civil_second(-1, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "00001127", utc, &tp)); - EXPECT_EQ(convert(civil_second(0, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "00011127", utc, &tp)); - EXPECT_EQ(convert(civil_second(1, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "00091127", utc, &tp)); - EXPECT_EQ(convert(civil_second(9, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "00991127", utc, &tp)); - EXPECT_EQ(convert(civil_second(99, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "09991127", utc, &tp)); - EXPECT_EQ(convert(civil_second(999, 11, 27, 0, 0, 0), utc), tp); - EXPECT_TRUE(parse(e4y_fmt, "99991127", utc, &tp)); - EXPECT_EQ(convert(civil_second(9999, 11, 27, 0, 0, 0), utc), tp); - - // When the year is outside [-999:9999], the parse fails. - EXPECT_FALSE(parse(e4y_fmt, "-10001127", utc, &tp)); - EXPECT_FALSE(parse(e4y_fmt, "100001127", utc, &tp)); -} - -TEST(Parse, RFC3339Format) { - const time_zone tz = utc_time_zone(); - time_point<chrono::nanoseconds> tp; - EXPECT_TRUE(parse(RFC3339_sec, "2014-02-12T20:21:00+00:00", tz, &tp)); - ExpectTime(tp, tz, 2014, 2, 12, 20, 21, 0, 0, false, "UTC"); - - // Check that %ET also accepts "t". - time_point<chrono::nanoseconds> tp2; - EXPECT_TRUE(parse(RFC3339_sec, "2014-02-12t20:21:00+00:00", tz, &tp2)); - EXPECT_EQ(tp, tp2); - - // Check that %Ez also accepts "Z" as a synonym for "+00:00". - time_point<chrono::nanoseconds> tp3; - EXPECT_TRUE(parse(RFC3339_sec, "2014-02-12T20:21:00Z", tz, &tp3)); - EXPECT_EQ(tp, tp3); - - // Check that %Ez also accepts "z" as a synonym for "+00:00". - time_point<chrono::nanoseconds> tp4; - EXPECT_TRUE(parse(RFC3339_sec, "2014-02-12T20:21:00z", tz, &tp4)); - EXPECT_EQ(tp, tp4); -} - -TEST(Parse, Week) { - const time_zone utc = utc_time_zone(); - time_point<absl::time_internal::cctz::seconds> tp; - - auto exp = convert(civil_second(2017, 1, 1, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2017-01-7", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2017-00-0", utc, &tp)); - EXPECT_EQ(exp, tp); - - exp = convert(civil_second(2017, 12, 31, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2017-53-7", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2017-52-0", utc, &tp)); - EXPECT_EQ(exp, tp); - - exp = convert(civil_second(2018, 1, 1, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2018-00-1", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2018-01-1", utc, &tp)); - EXPECT_EQ(exp, tp); - - exp = convert(civil_second(2018, 12, 31, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2018-52-1", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2018-53-1", utc, &tp)); - EXPECT_EQ(exp, tp); - - exp = convert(civil_second(2019, 1, 1, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2019-00-2", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2019-00-2", utc, &tp)); - EXPECT_EQ(exp, tp); - - exp = convert(civil_second(2019, 12, 31, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2019-52-2", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2019-52-2", utc, &tp)); - EXPECT_EQ(exp, tp); -} - -TEST(Parse, WeekYearShift) { - // %U/%W conversions with week values in {0, 52, 53} can slip - // into the previous/following calendar years. - const time_zone utc = utc_time_zone(); - time_point<absl::time_internal::cctz::seconds> tp; - - auto exp = convert(civil_second(2019, 12, 31, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2020-00-2", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2020-00-2", utc, &tp)); - EXPECT_EQ(exp, tp); - - exp = convert(civil_second(2021, 1, 1, 0, 0, 0), utc); - EXPECT_TRUE(parse("%Y-%U-%u", "2020-52-5", utc, &tp)); - EXPECT_EQ(exp, tp); - EXPECT_TRUE(parse("%Y-%W-%w", "2020-52-5", utc, &tp)); - EXPECT_EQ(exp, tp); -} - -TEST(Parse, MaxRange) { - const time_zone utc = utc_time_zone(); - time_point<absl::time_internal::cctz::seconds> tp; - - // tests the upper limit using +00:00 offset - EXPECT_TRUE( - parse(RFC3339_sec, "292277026596-12-04T15:30:07+00:00", utc, &tp)); - EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::max()); - EXPECT_FALSE( - parse(RFC3339_sec, "292277026596-12-04T15:30:08+00:00", utc, &tp)); - - // tests the upper limit using -01:00 offset - EXPECT_TRUE( - parse(RFC3339_sec, "292277026596-12-04T14:30:07-01:00", utc, &tp)); - EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::max()); - EXPECT_FALSE( - parse(RFC3339_sec, "292277026596-12-04T15:30:07-01:00", utc, &tp)); - - // tests the lower limit using +00:00 offset - EXPECT_TRUE( - parse(RFC3339_sec, "-292277022657-01-27T08:29:52+00:00", utc, &tp)); - EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::min()); - EXPECT_FALSE( - parse(RFC3339_sec, "-292277022657-01-27T08:29:51+00:00", utc, &tp)); - - // tests the lower limit using +01:00 offset - EXPECT_TRUE( - parse(RFC3339_sec, "-292277022657-01-27T09:29:52+01:00", utc, &tp)); - EXPECT_EQ(tp, time_point<absl::time_internal::cctz::seconds>::min()); - EXPECT_FALSE( - parse(RFC3339_sec, "-292277022657-01-27T08:29:51+01:00", utc, &tp)); - - // tests max/min civil-second overflow - EXPECT_FALSE( - parse(RFC3339_sec, "9223372036854775807-12-31T23:59:59-00:01", utc, &tp)); - EXPECT_FALSE(parse(RFC3339_sec, "-9223372036854775808-01-01T00:00:00+00:01", - utc, &tp)); - - // TODO: Add tests that parsing times with fractional seconds overflow - // appropriately. This can't be done until cctz::parse() properly detects - // overflow when combining the chrono seconds and femto. -} - -// -// Roundtrip test for format()/parse(). -// - -TEST(FormatParse, RoundTrip) { - time_zone lax; - EXPECT_TRUE(load_time_zone("America/Los_Angeles", &lax)); - const auto in = convert(civil_second(1977, 6, 28, 9, 8, 7), lax); - const auto subseconds = chrono::nanoseconds(654321); - - // RFC3339, which renders subseconds. - { - time_point<chrono::nanoseconds> out; - const std::string s = format(RFC3339_full, in + subseconds, lax); - EXPECT_TRUE(parse(RFC3339_full, s, lax, &out)) << s; - EXPECT_EQ(in + subseconds, out); // RFC3339_full includes %Ez - } - - // RFC1123, which only does whole seconds. - { - time_point<chrono::nanoseconds> out; - const std::string s = format(RFC1123_full, in, lax); - EXPECT_TRUE(parse(RFC1123_full, s, lax, &out)) << s; - EXPECT_EQ(in, out); // RFC1123_full includes %z - } - -#if defined(_WIN32) || defined(_WIN64) - // Initial investigations indicate the %c does not roundtrip on Windows. - // TODO: Figure out what is going on here (perhaps a locale problem). -#elif defined(__EMSCRIPTEN__) - // strftime() and strptime() use different defintions for "%c" under - // emscripten (see https://github.com/kripken/emscripten/pull/7491), - // causing its round-trip test to fail. -#else - // Even though we don't know what %c will produce, it should roundtrip, - // but only in the 0-offset timezone. - { - time_point<chrono::nanoseconds> out; - time_zone utc = utc_time_zone(); - const std::string s = format("%c", in, utc); - EXPECT_TRUE(parse("%c", s, utc, &out)) << s; - EXPECT_EQ(in, out); - } -#endif -} - -TEST(FormatParse, RoundTripDistantFuture) { - const time_zone utc = utc_time_zone(); - const time_point<absl::time_internal::cctz::seconds> in = - time_point<absl::time_internal::cctz::seconds>::max(); - const std::string s = format(RFC3339_full, in, utc); - time_point<absl::time_internal::cctz::seconds> out; - EXPECT_TRUE(parse(RFC3339_full, s, utc, &out)) << s; - EXPECT_EQ(in, out); -} - -TEST(FormatParse, RoundTripDistantPast) { - const time_zone utc = utc_time_zone(); - const time_point<absl::time_internal::cctz::seconds> in = - time_point<absl::time_internal::cctz::seconds>::min(); - const std::string s = format(RFC3339_full, in, utc); - time_point<absl::time_internal::cctz::seconds> out; - EXPECT_TRUE(parse(RFC3339_full, s, utc, &out)) << s; - EXPECT_EQ(in, out); -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.cc deleted file mode 100644 index 0319b2f98e..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.cc +++ /dev/null @@ -1,45 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "time_zone_if.h" - -#include "absl/base/config.h" -#include "time_zone_info.h" -#include "time_zone_libc.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -std::unique_ptr<TimeZoneIf> TimeZoneIf::Load(const std::string& name) { - // Support "libc:localtime" and "libc:*" to access the legacy - // localtime and UTC support respectively from the C library. - if (name.compare(0, 5, "libc:") == 0) { - return std::unique_ptr<TimeZoneIf>(new TimeZoneLibC(name.substr(5))); - } - - // Otherwise use the "zoneinfo" implementation by default. - std::unique_ptr<TimeZoneInfo> tz(new TimeZoneInfo); - if (!tz->Load(name)) tz.reset(); - return std::unique_ptr<TimeZoneIf>(tz.release()); -} - -// Defined out-of-line to avoid emitting a weak vtable in all TUs. -TimeZoneIf::~TimeZoneIf() {} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.h b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.h deleted file mode 100644 index 32c0891c1e..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.h +++ /dev/null @@ -1,76 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#ifndef ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IF_H_ -#define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IF_H_ - -#include <chrono> -#include <cstdint> -#include <memory> -#include <string> - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -// A simple interface used to hide time-zone complexities from time_zone::Impl. -// Subclasses implement the functions for civil-time conversions in the zone. -class TimeZoneIf { - public: - // A factory function for TimeZoneIf implementations. - static std::unique_ptr<TimeZoneIf> Load(const std::string& name); - - virtual ~TimeZoneIf(); - - virtual time_zone::absolute_lookup BreakTime( - const time_point<seconds>& tp) const = 0; - virtual time_zone::civil_lookup MakeTime(const civil_second& cs) const = 0; - - virtual bool NextTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const = 0; - virtual bool PrevTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const = 0; - - virtual std::string Version() const = 0; - virtual std::string Description() const = 0; - - protected: - TimeZoneIf() {} -}; - -// Convert between time_point<seconds> and a count of seconds since the -// Unix epoch. We assume that the std::chrono::system_clock and the -// Unix clock are second aligned, but not that they share an epoch. -inline std::int_fast64_t ToUnixSeconds(const time_point<seconds>& tp) { - return (tp - std::chrono::time_point_cast<seconds>( - std::chrono::system_clock::from_time_t(0))) - .count(); -} -inline time_point<seconds> FromUnixSeconds(std::int_fast64_t t) { - return std::chrono::time_point_cast<seconds>( - std::chrono::system_clock::from_time_t(0)) + - seconds(t); -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IF_H_ diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_impl.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_impl.cc deleted file mode 100644 index f34e3aec84..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_impl.cc +++ /dev/null @@ -1,113 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "time_zone_impl.h" - -#include <deque> -#include <memory> -#include <mutex> -#include <string> -#include <unordered_map> -#include <utility> - -#include "absl/base/config.h" -#include "time_zone_fixed.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -// time_zone::Impls are linked into a map to support fast lookup by name. -using TimeZoneImplByName = - std::unordered_map<std::string, const time_zone::Impl*>; -TimeZoneImplByName* time_zone_map = nullptr; - -// Mutual exclusion for time_zone_map. -std::mutex& TimeZoneMutex() { - // This mutex is intentionally "leaked" to avoid the static deinitialization - // order fiasco (std::mutex's destructor is not trivial on many platforms). - static std::mutex* time_zone_mutex = new std::mutex; - return *time_zone_mutex; -} - -} // namespace - -time_zone time_zone::Impl::UTC() { return time_zone(UTCImpl()); } - -bool time_zone::Impl::LoadTimeZone(const std::string& name, time_zone* tz) { - const Impl* const utc_impl = UTCImpl(); - - // Check for UTC (which is never a key in time_zone_map). - auto offset = seconds::zero(); - if (FixedOffsetFromName(name, &offset) && offset == seconds::zero()) { - *tz = time_zone(utc_impl); - return true; - } - - // Check whether the time zone has already been loaded. - { - std::lock_guard<std::mutex> lock(TimeZoneMutex()); - if (time_zone_map != nullptr) { - TimeZoneImplByName::const_iterator itr = time_zone_map->find(name); - if (itr != time_zone_map->end()) { - *tz = time_zone(itr->second); - return itr->second != utc_impl; - } - } - } - - // Load the new time zone (outside the lock). - std::unique_ptr<const Impl> new_impl(new Impl(name)); - - // Add the new time zone to the map. - std::lock_guard<std::mutex> lock(TimeZoneMutex()); - if (time_zone_map == nullptr) time_zone_map = new TimeZoneImplByName; - const Impl*& impl = (*time_zone_map)[name]; - if (impl == nullptr) { // this thread won any load race - impl = new_impl->zone_ ? new_impl.release() : utc_impl; - } - *tz = time_zone(impl); - return impl != utc_impl; -} - -void time_zone::Impl::ClearTimeZoneMapTestOnly() { - std::lock_guard<std::mutex> lock(TimeZoneMutex()); - if (time_zone_map != nullptr) { - // Existing time_zone::Impl* entries are in the wild, so we can't delete - // them. Instead, we move them to a private container, where they are - // logically unreachable but not "leaked". Future requests will result - // in reloading the data. - static auto* cleared = new std::deque<const time_zone::Impl*>; - for (const auto& element : *time_zone_map) { - cleared->push_back(element.second); - } - time_zone_map->clear(); - } -} - -time_zone::Impl::Impl(const std::string& name) - : name_(name), zone_(TimeZoneIf::Load(name_)) {} - -const time_zone::Impl* time_zone::Impl::UTCImpl() { - static const Impl* utc_impl = new Impl("UTC"); // never fails - return utc_impl; -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_impl.h b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_impl.h deleted file mode 100644 index 7d747ba966..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_impl.h +++ /dev/null @@ -1,93 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#ifndef ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IMPL_H_ -#define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IMPL_H_ - -#include <memory> -#include <string> - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" -#include "time_zone_if.h" -#include "time_zone_info.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -// time_zone::Impl is the internal object referenced by a cctz::time_zone. -class time_zone::Impl { - public: - // The UTC time zone. Also used for other time zones that fail to load. - static time_zone UTC(); - - // Load a named time zone. Returns false if the name is invalid, or if - // some other kind of error occurs. Note that loading "UTC" never fails. - static bool LoadTimeZone(const std::string& name, time_zone* tz); - - // Clears the map of cached time zones. Primarily for use in benchmarks - // that gauge the performance of loading/parsing the time-zone data. - static void ClearTimeZoneMapTestOnly(); - - // The primary key is the time-zone ID (e.g., "America/New_York"). - const std::string& Name() const { - // TODO: It would nice if the zoneinfo data included the zone name. - return name_; - } - - // Breaks a time_point down to civil-time components in this time zone. - time_zone::absolute_lookup BreakTime(const time_point<seconds>& tp) const { - return zone_->BreakTime(tp); - } - - // Converts the civil-time components in this time zone into a time_point. - // That is, the opposite of BreakTime(). The requested civil time may be - // ambiguous or illegal due to a change of UTC offset. - time_zone::civil_lookup MakeTime(const civil_second& cs) const { - return zone_->MakeTime(cs); - } - - // Finds the time of the next/previous offset change in this time zone. - bool NextTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const { - return zone_->NextTransition(tp, trans); - } - bool PrevTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const { - return zone_->PrevTransition(tp, trans); - } - - // Returns an implementation-defined version string for this time zone. - std::string Version() const { return zone_->Version(); } - - // Returns an implementation-defined description of this time zone. - std::string Description() const { return zone_->Description(); } - - private: - explicit Impl(const std::string& name); - static const Impl* UTCImpl(); - - const std::string name_; - std::unique_ptr<TimeZoneIf> zone_; -}; - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_IMPL_H_ diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_info.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_info.cc deleted file mode 100644 index 665fb424fe..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_info.cc +++ /dev/null @@ -1,958 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// This file implements the TimeZoneIf interface using the "zoneinfo" -// data provided by the IANA Time Zone Database (i.e., the only real game -// in town). -// -// TimeZoneInfo represents the history of UTC-offset changes within a time -// zone. Most changes are due to daylight-saving rules, but occasionally -// shifts are made to the time-zone's base offset. The database only attempts -// to be definitive for times since 1970, so be wary of local-time conversions -// before that. Also, rule and zone-boundary changes are made at the whim -// of governments, so the conversion of future times needs to be taken with -// a grain of salt. -// -// For more information see tzfile(5), http://www.iana.org/time-zones, or -// https://en.wikipedia.org/wiki/Zoneinfo. -// -// Note that we assume the proleptic Gregorian calendar and 60-second -// minutes throughout. - -#include "time_zone_info.h" - -#include <algorithm> -#include <cassert> -#include <chrono> -#include <cstdint> -#include <cstdio> -#include <cstdlib> -#include <cstring> -#include <functional> -#include <iostream> -#include <memory> -#include <sstream> -#include <string> - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "time_zone_fixed.h" -#include "time_zone_posix.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -inline bool IsLeap(year_t year) { - return (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0); -} - -// The number of days in non-leap and leap years respectively. -const std::int_least32_t kDaysPerYear[2] = {365, 366}; - -// The day offsets of the beginning of each (1-based) month in non-leap and -// leap years respectively (e.g., 335 days before December in a leap year). -const std::int_least16_t kMonthOffsets[2][1 + 12 + 1] = { - {-1, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365}, - {-1, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366}, -}; - -// We reject leap-second encoded zoneinfo and so assume 60-second minutes. -const std::int_least32_t kSecsPerDay = 24 * 60 * 60; - -// 400-year chunks always have 146097 days (20871 weeks). -const std::int_least64_t kSecsPer400Years = 146097LL * kSecsPerDay; - -// Like kDaysPerYear[] but scaled up by a factor of kSecsPerDay. -const std::int_least32_t kSecsPerYear[2] = { - 365 * kSecsPerDay, - 366 * kSecsPerDay, -}; - -// Single-byte, unsigned numeric values are encoded directly. -inline std::uint_fast8_t Decode8(const char* cp) { - return static_cast<std::uint_fast8_t>(*cp) & 0xff; -} - -// Multi-byte, numeric values are encoded using a MSB first, -// twos-complement representation. These helpers decode, from -// the given address, 4-byte and 8-byte values respectively. -// Note: If int_fastXX_t == intXX_t and this machine is not -// twos complement, then there will be at least one input value -// we cannot represent. -std::int_fast32_t Decode32(const char* cp) { - std::uint_fast32_t v = 0; - for (int i = 0; i != (32 / 8); ++i) v = (v << 8) | Decode8(cp++); - const std::int_fast32_t s32max = 0x7fffffff; - const auto s32maxU = static_cast<std::uint_fast32_t>(s32max); - if (v <= s32maxU) return static_cast<std::int_fast32_t>(v); - return static_cast<std::int_fast32_t>(v - s32maxU - 1) - s32max - 1; -} - -std::int_fast64_t Decode64(const char* cp) { - std::uint_fast64_t v = 0; - for (int i = 0; i != (64 / 8); ++i) v = (v << 8) | Decode8(cp++); - const std::int_fast64_t s64max = 0x7fffffffffffffff; - const auto s64maxU = static_cast<std::uint_fast64_t>(s64max); - if (v <= s64maxU) return static_cast<std::int_fast64_t>(v); - return static_cast<std::int_fast64_t>(v - s64maxU - 1) - s64max - 1; -} - -// Generate a year-relative offset for a PosixTransition. -std::int_fast64_t TransOffset(bool leap_year, int jan1_weekday, - const PosixTransition& pt) { - std::int_fast64_t days = 0; - switch (pt.date.fmt) { - case PosixTransition::J: { - days = pt.date.j.day; - if (!leap_year || days < kMonthOffsets[1][3]) days -= 1; - break; - } - case PosixTransition::N: { - days = pt.date.n.day; - break; - } - case PosixTransition::M: { - const bool last_week = (pt.date.m.week == 5); - days = kMonthOffsets[leap_year][pt.date.m.month + last_week]; - const std::int_fast64_t weekday = (jan1_weekday + days) % 7; - if (last_week) { - days -= (weekday + 7 - 1 - pt.date.m.weekday) % 7 + 1; - } else { - days += (pt.date.m.weekday + 7 - weekday) % 7; - days += (pt.date.m.week - 1) * 7; - } - break; - } - } - return (days * kSecsPerDay) + pt.time.offset; -} - -inline time_zone::civil_lookup MakeUnique(const time_point<seconds>& tp) { - time_zone::civil_lookup cl; - cl.kind = time_zone::civil_lookup::UNIQUE; - cl.pre = cl.trans = cl.post = tp; - return cl; -} - -inline time_zone::civil_lookup MakeUnique(std::int_fast64_t unix_time) { - return MakeUnique(FromUnixSeconds(unix_time)); -} - -inline time_zone::civil_lookup MakeSkipped(const Transition& tr, - const civil_second& cs) { - time_zone::civil_lookup cl; - cl.kind = time_zone::civil_lookup::SKIPPED; - cl.pre = FromUnixSeconds(tr.unix_time - 1 + (cs - tr.prev_civil_sec)); - cl.trans = FromUnixSeconds(tr.unix_time); - cl.post = FromUnixSeconds(tr.unix_time - (tr.civil_sec - cs)); - return cl; -} - -inline time_zone::civil_lookup MakeRepeated(const Transition& tr, - const civil_second& cs) { - time_zone::civil_lookup cl; - cl.kind = time_zone::civil_lookup::REPEATED; - cl.pre = FromUnixSeconds(tr.unix_time - 1 - (tr.prev_civil_sec - cs)); - cl.trans = FromUnixSeconds(tr.unix_time); - cl.post = FromUnixSeconds(tr.unix_time + (cs - tr.civil_sec)); - return cl; -} - -inline civil_second YearShift(const civil_second& cs, year_t shift) { - return civil_second(cs.year() + shift, cs.month(), cs.day(), cs.hour(), - cs.minute(), cs.second()); -} - -} // namespace - -// What (no leap-seconds) UTC+seconds zoneinfo would look like. -bool TimeZoneInfo::ResetToBuiltinUTC(const seconds& offset) { - transition_types_.resize(1); - TransitionType& tt(transition_types_.back()); - tt.utc_offset = static_cast<std::int_least32_t>(offset.count()); - tt.is_dst = false; - tt.abbr_index = 0; - - // We temporarily add some redundant, contemporary (2013 through 2023) - // transitions for performance reasons. See TimeZoneInfo::LocalTime(). - // TODO: Fix the performance issue and remove the extra transitions. - transitions_.clear(); - transitions_.reserve(12); - for (const std::int_fast64_t unix_time : { - -(1LL << 59), // BIG_BANG - 1356998400LL, // 2013-01-01T00:00:00+00:00 - 1388534400LL, // 2014-01-01T00:00:00+00:00 - 1420070400LL, // 2015-01-01T00:00:00+00:00 - 1451606400LL, // 2016-01-01T00:00:00+00:00 - 1483228800LL, // 2017-01-01T00:00:00+00:00 - 1514764800LL, // 2018-01-01T00:00:00+00:00 - 1546300800LL, // 2019-01-01T00:00:00+00:00 - 1577836800LL, // 2020-01-01T00:00:00+00:00 - 1609459200LL, // 2021-01-01T00:00:00+00:00 - 1640995200LL, // 2022-01-01T00:00:00+00:00 - 1672531200LL, // 2023-01-01T00:00:00+00:00 - 2147483647LL, // 2^31 - 1 - }) { - Transition& tr(*transitions_.emplace(transitions_.end())); - tr.unix_time = unix_time; - tr.type_index = 0; - tr.civil_sec = LocalTime(tr.unix_time, tt).cs; - tr.prev_civil_sec = tr.civil_sec - 1; - } - - default_transition_type_ = 0; - abbreviations_ = FixedOffsetToAbbr(offset); - abbreviations_.append(1, '\0'); // add NUL - future_spec_.clear(); // never needed for a fixed-offset zone - extended_ = false; - - tt.civil_max = LocalTime(seconds::max().count(), tt).cs; - tt.civil_min = LocalTime(seconds::min().count(), tt).cs; - - transitions_.shrink_to_fit(); - return true; -} - -// Builds the in-memory header using the raw bytes from the file. -bool TimeZoneInfo::Header::Build(const tzhead& tzh) { - std::int_fast32_t v; - if ((v = Decode32(tzh.tzh_timecnt)) < 0) return false; - timecnt = static_cast<std::size_t>(v); - if ((v = Decode32(tzh.tzh_typecnt)) < 0) return false; - typecnt = static_cast<std::size_t>(v); - if ((v = Decode32(tzh.tzh_charcnt)) < 0) return false; - charcnt = static_cast<std::size_t>(v); - if ((v = Decode32(tzh.tzh_leapcnt)) < 0) return false; - leapcnt = static_cast<std::size_t>(v); - if ((v = Decode32(tzh.tzh_ttisstdcnt)) < 0) return false; - ttisstdcnt = static_cast<std::size_t>(v); - if ((v = Decode32(tzh.tzh_ttisutcnt)) < 0) return false; - ttisutcnt = static_cast<std::size_t>(v); - return true; -} - -// How many bytes of data are associated with this header. The result -// depends upon whether this is a section with 4-byte or 8-byte times. -std::size_t TimeZoneInfo::Header::DataLength(std::size_t time_len) const { - std::size_t len = 0; - len += (time_len + 1) * timecnt; // unix_time + type_index - len += (4 + 1 + 1) * typecnt; // utc_offset + is_dst + abbr_index - len += 1 * charcnt; // abbreviations - len += (time_len + 4) * leapcnt; // leap-time + TAI-UTC - len += 1 * ttisstdcnt; // UTC/local indicators - len += 1 * ttisutcnt; // standard/wall indicators - return len; -} - -// Check that the TransitionType has the expected offset/is_dst/abbreviation. -void TimeZoneInfo::CheckTransition(const std::string& name, - const TransitionType& tt, - std::int_fast32_t offset, bool is_dst, - const std::string& abbr) const { - if (tt.utc_offset != offset || tt.is_dst != is_dst || - &abbreviations_[tt.abbr_index] != abbr) { - std::clog << name << ": Transition" - << " offset=" << tt.utc_offset << "/" - << (tt.is_dst ? "DST" : "STD") - << "/abbr=" << &abbreviations_[tt.abbr_index] - << " does not match POSIX spec '" << future_spec_ << "'\n"; - } -} - -// zic(8) can generate no-op transitions when a zone changes rules at an -// instant when there is actually no discontinuity. So we check whether -// two transitions have equivalent types (same offset/is_dst/abbr). -bool TimeZoneInfo::EquivTransitions(std::uint_fast8_t tt1_index, - std::uint_fast8_t tt2_index) const { - if (tt1_index == tt2_index) return true; - const TransitionType& tt1(transition_types_[tt1_index]); - const TransitionType& tt2(transition_types_[tt2_index]); - if (tt1.is_dst != tt2.is_dst) return false; - if (tt1.utc_offset != tt2.utc_offset) return false; - if (tt1.abbr_index != tt2.abbr_index) return false; - return true; -} - -// Use the POSIX-TZ-environment-variable-style string to handle times -// in years after the last transition stored in the zoneinfo data. -void TimeZoneInfo::ExtendTransitions(const std::string& name, - const Header& hdr) { - extended_ = false; - bool extending = !future_spec_.empty(); - - PosixTimeZone posix; - if (extending && !ParsePosixSpec(future_spec_, &posix)) { - std::clog << name << ": Failed to parse '" << future_spec_ << "'\n"; - extending = false; - } - - if (extending && posix.dst_abbr.empty()) { // std only - // The future specification should match the last/default transition, - // and that means that handling the future will fall out naturally. - std::uint_fast8_t index = default_transition_type_; - if (hdr.timecnt != 0) index = transitions_[hdr.timecnt - 1].type_index; - const TransitionType& tt(transition_types_[index]); - CheckTransition(name, tt, posix.std_offset, false, posix.std_abbr); - extending = false; - } - - if (extending && hdr.timecnt < 2) { - std::clog << name << ": Too few transitions for POSIX spec\n"; - extending = false; - } - - if (!extending) { - // Ensure that there is always a transition in the second half of the - // time line (the BIG_BANG transition is in the first half) so that the - // signed difference between a civil_second and the civil_second of its - // previous transition is always representable, without overflow. - const Transition& last(transitions_.back()); - if (last.unix_time < 0) { - const std::uint_fast8_t type_index = last.type_index; - Transition& tr(*transitions_.emplace(transitions_.end())); - tr.unix_time = 2147483647; // 2038-01-19T03:14:07+00:00 - tr.type_index = type_index; - } - return; // last transition wins - } - - // Extend the transitions for an additional 400 years using the - // future specification. Years beyond those can be handled by - // mapping back to a cycle-equivalent year within that range. - // zic(8) should probably do this so that we don't have to. - // TODO: Reduce the extension by the number of compatible - // transitions already in place. - transitions_.reserve(hdr.timecnt + 400 * 2 + 1); - transitions_.resize(hdr.timecnt + 400 * 2); - extended_ = true; - - // The future specification should match the last two transitions, - // and those transitions should have different is_dst flags. Note - // that nothing says the UTC offset used by the is_dst transition - // must be greater than that used by the !is_dst transition. (See - // Europe/Dublin, for example.) - const Transition* tr0 = &transitions_[hdr.timecnt - 1]; - const Transition* tr1 = &transitions_[hdr.timecnt - 2]; - const TransitionType* tt0 = &transition_types_[tr0->type_index]; - const TransitionType* tt1 = &transition_types_[tr1->type_index]; - const TransitionType& dst(tt0->is_dst ? *tt0 : *tt1); - const TransitionType& std(tt0->is_dst ? *tt1 : *tt0); - CheckTransition(name, dst, posix.dst_offset, true, posix.dst_abbr); - CheckTransition(name, std, posix.std_offset, false, posix.std_abbr); - - // Add the transitions to tr1 and back to tr0 for each extra year. - last_year_ = LocalTime(tr0->unix_time, *tt0).cs.year(); - bool leap_year = IsLeap(last_year_); - const civil_day jan1(last_year_, 1, 1); - std::int_fast64_t jan1_time = civil_second(jan1) - civil_second(); - int jan1_weekday = (static_cast<int>(get_weekday(jan1)) + 1) % 7; - Transition* tr = &transitions_[hdr.timecnt]; // next trans to fill - if (LocalTime(tr1->unix_time, *tt1).cs.year() != last_year_) { - // Add a single extra transition to align to a calendar year. - transitions_.resize(transitions_.size() + 1); - assert(tr == &transitions_[hdr.timecnt]); // no reallocation - const PosixTransition& pt1(tt0->is_dst ? posix.dst_end : posix.dst_start); - std::int_fast64_t tr1_offset = TransOffset(leap_year, jan1_weekday, pt1); - tr->unix_time = jan1_time + tr1_offset - tt0->utc_offset; - tr++->type_index = tr1->type_index; - tr0 = &transitions_[hdr.timecnt]; - tr1 = &transitions_[hdr.timecnt - 1]; - tt0 = &transition_types_[tr0->type_index]; - tt1 = &transition_types_[tr1->type_index]; - } - const PosixTransition& pt1(tt0->is_dst ? posix.dst_end : posix.dst_start); - const PosixTransition& pt0(tt0->is_dst ? posix.dst_start : posix.dst_end); - for (const year_t limit = last_year_ + 400; last_year_ < limit;) { - last_year_ += 1; // an additional year of generated transitions - jan1_time += kSecsPerYear[leap_year]; - jan1_weekday = (jan1_weekday + kDaysPerYear[leap_year]) % 7; - leap_year = !leap_year && IsLeap(last_year_); - std::int_fast64_t tr1_offset = TransOffset(leap_year, jan1_weekday, pt1); - tr->unix_time = jan1_time + tr1_offset - tt0->utc_offset; - tr++->type_index = tr1->type_index; - std::int_fast64_t tr0_offset = TransOffset(leap_year, jan1_weekday, pt0); - tr->unix_time = jan1_time + tr0_offset - tt1->utc_offset; - tr++->type_index = tr0->type_index; - } - assert(tr == &transitions_[0] + transitions_.size()); -} - -bool TimeZoneInfo::Load(const std::string& name, ZoneInfoSource* zip) { - // Read and validate the header. - tzhead tzh; - if (zip->Read(&tzh, sizeof(tzh)) != sizeof(tzh)) return false; - if (strncmp(tzh.tzh_magic, TZ_MAGIC, sizeof(tzh.tzh_magic)) != 0) - return false; - Header hdr; - if (!hdr.Build(tzh)) return false; - std::size_t time_len = 4; - if (tzh.tzh_version[0] != '\0') { - // Skip the 4-byte data. - if (zip->Skip(hdr.DataLength(time_len)) != 0) return false; - // Read and validate the header for the 8-byte data. - if (zip->Read(&tzh, sizeof(tzh)) != sizeof(tzh)) return false; - if (strncmp(tzh.tzh_magic, TZ_MAGIC, sizeof(tzh.tzh_magic)) != 0) - return false; - if (tzh.tzh_version[0] == '\0') return false; - if (!hdr.Build(tzh)) return false; - time_len = 8; - } - if (hdr.typecnt == 0) return false; - if (hdr.leapcnt != 0) { - // This code assumes 60-second minutes so we do not want - // the leap-second encoded zoneinfo. We could reverse the - // compensation, but the "right" encoding is rarely used - // so currently we simply reject such data. - return false; - } - if (hdr.ttisstdcnt != 0 && hdr.ttisstdcnt != hdr.typecnt) return false; - if (hdr.ttisutcnt != 0 && hdr.ttisutcnt != hdr.typecnt) return false; - - // Read the data into a local buffer. - std::size_t len = hdr.DataLength(time_len); - std::vector<char> tbuf(len); - if (zip->Read(tbuf.data(), len) != len) return false; - const char* bp = tbuf.data(); - - // Decode and validate the transitions. - transitions_.reserve(hdr.timecnt + 2); // We might add a couple. - transitions_.resize(hdr.timecnt); - for (std::size_t i = 0; i != hdr.timecnt; ++i) { - transitions_[i].unix_time = (time_len == 4) ? Decode32(bp) : Decode64(bp); - bp += time_len; - if (i != 0) { - // Check that the transitions are ordered by time (as zic guarantees). - if (!Transition::ByUnixTime()(transitions_[i - 1], transitions_[i])) - return false; // out of order - } - } - bool seen_type_0 = false; - for (std::size_t i = 0; i != hdr.timecnt; ++i) { - transitions_[i].type_index = Decode8(bp++); - if (transitions_[i].type_index >= hdr.typecnt) return false; - if (transitions_[i].type_index == 0) seen_type_0 = true; - } - - // Decode and validate the transition types. - transition_types_.resize(hdr.typecnt); - for (std::size_t i = 0; i != hdr.typecnt; ++i) { - transition_types_[i].utc_offset = - static_cast<std::int_least32_t>(Decode32(bp)); - if (transition_types_[i].utc_offset >= kSecsPerDay || - transition_types_[i].utc_offset <= -kSecsPerDay) - return false; - bp += 4; - transition_types_[i].is_dst = (Decode8(bp++) != 0); - transition_types_[i].abbr_index = Decode8(bp++); - if (transition_types_[i].abbr_index >= hdr.charcnt) return false; - } - - // Determine the before-first-transition type. - default_transition_type_ = 0; - if (seen_type_0 && hdr.timecnt != 0) { - std::uint_fast8_t index = 0; - if (transition_types_[0].is_dst) { - index = transitions_[0].type_index; - while (index != 0 && transition_types_[index].is_dst) --index; - } - while (index != hdr.typecnt && transition_types_[index].is_dst) ++index; - if (index != hdr.typecnt) default_transition_type_ = index; - } - - // Copy all the abbreviations. - abbreviations_.assign(bp, hdr.charcnt); - bp += hdr.charcnt; - - // Skip the unused portions. We've already dispensed with leap-second - // encoded zoneinfo. The ttisstd/ttisgmt indicators only apply when - // interpreting a POSIX spec that does not include start/end rules, and - // that isn't the case here (see "zic -p"). - bp += (8 + 4) * hdr.leapcnt; // leap-time + TAI-UTC - bp += 1 * hdr.ttisstdcnt; // UTC/local indicators - bp += 1 * hdr.ttisutcnt; // standard/wall indicators - assert(bp == tbuf.data() + tbuf.size()); - - future_spec_.clear(); - if (tzh.tzh_version[0] != '\0') { - // Snarf up the NL-enclosed future POSIX spec. Note - // that version '3' files utilize an extended format. - auto get_char = [](ZoneInfoSource* azip) -> int { - unsigned char ch; // all non-EOF results are positive - return (azip->Read(&ch, 1) == 1) ? ch : EOF; - }; - if (get_char(zip) != '\n') return false; - for (int c = get_char(zip); c != '\n'; c = get_char(zip)) { - if (c == EOF) return false; - future_spec_.push_back(static_cast<char>(c)); - } - } - - // We don't check for EOF so that we're forwards compatible. - - // If we did not find version information during the standard loading - // process (as of tzh_version '3' that is unsupported), then ask the - // ZoneInfoSource for any out-of-bound version string it may be privy to. - if (version_.empty()) { - version_ = zip->Version(); - } - - // Trim redundant transitions. zic may have added these to work around - // differences between the glibc and reference implementations (see - // zic.c:dontmerge) and the Qt library (see zic.c:WORK_AROUND_QTBUG_53071). - // For us, they just get in the way when we do future_spec_ extension. - while (hdr.timecnt > 1) { - if (!EquivTransitions(transitions_[hdr.timecnt - 1].type_index, - transitions_[hdr.timecnt - 2].type_index)) { - break; - } - hdr.timecnt -= 1; - } - transitions_.resize(hdr.timecnt); - - // Ensure that there is always a transition in the first half of the - // time line (the second half is handled in ExtendTransitions()) so that - // the signed difference between a civil_second and the civil_second of - // its previous transition is always representable, without overflow. - // A contemporary zic will usually have already done this for us. - if (transitions_.empty() || transitions_.front().unix_time >= 0) { - Transition& tr(*transitions_.emplace(transitions_.begin())); - tr.unix_time = -(1LL << 59); // see tz/zic.c "BIG_BANG" - tr.type_index = default_transition_type_; - hdr.timecnt += 1; - } - - // Extend the transitions using the future specification. - ExtendTransitions(name, hdr); - - // Compute the local civil time for each transition and the preceding - // second. These will be used for reverse conversions in MakeTime(). - const TransitionType* ttp = &transition_types_[default_transition_type_]; - for (std::size_t i = 0; i != transitions_.size(); ++i) { - Transition& tr(transitions_[i]); - tr.prev_civil_sec = LocalTime(tr.unix_time, *ttp).cs - 1; - ttp = &transition_types_[tr.type_index]; - tr.civil_sec = LocalTime(tr.unix_time, *ttp).cs; - if (i != 0) { - // Check that the transitions are ordered by civil time. Essentially - // this means that an offset change cannot cross another such change. - // No one does this in practice, and we depend on it in MakeTime(). - if (!Transition::ByCivilTime()(transitions_[i - 1], tr)) - return false; // out of order - } - } - - // Compute the maximum/minimum civil times that can be converted to a - // time_point<seconds> for each of the zone's transition types. - for (auto& tt : transition_types_) { - tt.civil_max = LocalTime(seconds::max().count(), tt).cs; - tt.civil_min = LocalTime(seconds::min().count(), tt).cs; - } - - transitions_.shrink_to_fit(); - return true; -} - -namespace { - -// fopen(3) adaptor. -inline FILE* FOpen(const char* path, const char* mode) { -#if defined(_MSC_VER) - FILE* fp; - if (fopen_s(&fp, path, mode) != 0) fp = nullptr; - return fp; -#else - return fopen(path, mode); // TODO: Enable the close-on-exec flag. -#endif -} - -// A stdio(3)-backed implementation of ZoneInfoSource. -class FileZoneInfoSource : public ZoneInfoSource { - public: - static std::unique_ptr<ZoneInfoSource> Open(const std::string& name); - - std::size_t Read(void* ptr, std::size_t size) override { - size = std::min(size, len_); - std::size_t nread = fread(ptr, 1, size, fp_.get()); - len_ -= nread; - return nread; - } - int Skip(std::size_t offset) override { - offset = std::min(offset, len_); - int rc = fseek(fp_.get(), static_cast<long>(offset), SEEK_CUR); - if (rc == 0) len_ -= offset; - return rc; - } - std::string Version() const override { - // TODO: It would nice if the zoneinfo data included the tzdb version. - return std::string(); - } - - protected: - explicit FileZoneInfoSource( - FILE* fp, std::size_t len = std::numeric_limits<std::size_t>::max()) - : fp_(fp, fclose), len_(len) {} - - private: - std::unique_ptr<FILE, int (*)(FILE*)> fp_; - std::size_t len_; -}; - -std::unique_ptr<ZoneInfoSource> FileZoneInfoSource::Open( - const std::string& name) { - // Use of the "file:" prefix is intended for testing purposes only. - const std::size_t pos = (name.compare(0, 5, "file:") == 0) ? 5 : 0; - - // Map the time-zone name to a path name. - std::string path; - if (pos == name.size() || name[pos] != '/') { - const char* tzdir = "/usr/share/zoneinfo"; - char* tzdir_env = nullptr; -#if defined(_MSC_VER) - _dupenv_s(&tzdir_env, nullptr, "TZDIR"); -#else - tzdir_env = std::getenv("TZDIR"); -#endif - if (tzdir_env && *tzdir_env) tzdir = tzdir_env; - path += tzdir; - path += '/'; -#if defined(_MSC_VER) - free(tzdir_env); -#endif - } - path.append(name, pos, std::string::npos); - - // Open the zoneinfo file. - FILE* fp = FOpen(path.c_str(), "rb"); - if (fp == nullptr) return nullptr; - std::size_t length = 0; - if (fseek(fp, 0, SEEK_END) == 0) { - long offset = ftell(fp); - if (offset >= 0) { - length = static_cast<std::size_t>(offset); - } - rewind(fp); - } - return std::unique_ptr<ZoneInfoSource>(new FileZoneInfoSource(fp, length)); -} - -class AndroidZoneInfoSource : public FileZoneInfoSource { - public: - static std::unique_ptr<ZoneInfoSource> Open(const std::string& name); - std::string Version() const override { return version_; } - - private: - explicit AndroidZoneInfoSource(FILE* fp, std::size_t len, const char* vers) - : FileZoneInfoSource(fp, len), version_(vers) {} - std::string version_; -}; - -std::unique_ptr<ZoneInfoSource> AndroidZoneInfoSource::Open( - const std::string& name) { - // Use of the "file:" prefix is intended for testing purposes only. - const std::size_t pos = (name.compare(0, 5, "file:") == 0) ? 5 : 0; - - // See Android's libc/tzcode/bionic.cpp for additional information. - for (const char* tzdata : {"/data/misc/zoneinfo/current/tzdata", - "/system/usr/share/zoneinfo/tzdata"}) { - std::unique_ptr<FILE, int (*)(FILE*)> fp(FOpen(tzdata, "rb"), fclose); - if (fp.get() == nullptr) continue; - - char hbuf[24]; // covers header.zonetab_offset too - if (fread(hbuf, 1, sizeof(hbuf), fp.get()) != sizeof(hbuf)) continue; - if (strncmp(hbuf, "tzdata", 6) != 0) continue; - const char* vers = (hbuf[11] == '\0') ? hbuf + 6 : ""; - const std::int_fast32_t index_offset = Decode32(hbuf + 12); - const std::int_fast32_t data_offset = Decode32(hbuf + 16); - if (index_offset < 0 || data_offset < index_offset) continue; - if (fseek(fp.get(), static_cast<long>(index_offset), SEEK_SET) != 0) - continue; - - char ebuf[52]; // covers entry.unused too - const std::size_t index_size = - static_cast<std::size_t>(data_offset - index_offset); - const std::size_t zonecnt = index_size / sizeof(ebuf); - if (zonecnt * sizeof(ebuf) != index_size) continue; - for (std::size_t i = 0; i != zonecnt; ++i) { - if (fread(ebuf, 1, sizeof(ebuf), fp.get()) != sizeof(ebuf)) break; - const std::int_fast32_t start = data_offset + Decode32(ebuf + 40); - const std::int_fast32_t length = Decode32(ebuf + 44); - if (start < 0 || length < 0) break; - ebuf[40] = '\0'; // ensure zone name is NUL terminated - if (strcmp(name.c_str() + pos, ebuf) == 0) { - if (fseek(fp.get(), static_cast<long>(start), SEEK_SET) != 0) break; - return std::unique_ptr<ZoneInfoSource>(new AndroidZoneInfoSource( - fp.release(), static_cast<std::size_t>(length), vers)); - } - } - } - - return nullptr; -} - -} // namespace - -bool TimeZoneInfo::Load(const std::string& name) { - // We can ensure that the loading of UTC or any other fixed-offset - // zone never fails because the simple, fixed-offset state can be - // internally generated. Note that this depends on our choice to not - // accept leap-second encoded ("right") zoneinfo. - auto offset = seconds::zero(); - if (FixedOffsetFromName(name, &offset)) { - return ResetToBuiltinUTC(offset); - } - - // Find and use a ZoneInfoSource to load the named zone. - auto zip = cctz_extension::zone_info_source_factory( - name, [](const std::string& name) -> std::unique_ptr<ZoneInfoSource> { - if (auto zip = FileZoneInfoSource::Open(name)) return zip; - if (auto zip = AndroidZoneInfoSource::Open(name)) return zip; - return nullptr; - }); - return zip != nullptr && Load(name, zip.get()); -} - -// BreakTime() translation for a particular transition type. -time_zone::absolute_lookup TimeZoneInfo::LocalTime( - std::int_fast64_t unix_time, const TransitionType& tt) const { - // A civil time in "+offset" looks like (time+offset) in UTC. - // Note: We perform two additions in the civil_second domain to - // sidestep the chance of overflow in (unix_time + tt.utc_offset). - return {(civil_second() + unix_time) + tt.utc_offset, tt.utc_offset, - tt.is_dst, &abbreviations_[tt.abbr_index]}; -} - -// BreakTime() translation for a particular transition. -time_zone::absolute_lookup TimeZoneInfo::LocalTime(std::int_fast64_t unix_time, - const Transition& tr) const { - const TransitionType& tt = transition_types_[tr.type_index]; - // Note: (unix_time - tr.unix_time) will never overflow as we - // have ensured that there is always a "nearby" transition. - return {tr.civil_sec + (unix_time - tr.unix_time), // TODO: Optimize. - tt.utc_offset, tt.is_dst, &abbreviations_[tt.abbr_index]}; -} - -// MakeTime() translation with a conversion-preserving +N * 400-year shift. -time_zone::civil_lookup TimeZoneInfo::TimeLocal(const civil_second& cs, - year_t c4_shift) const { - assert(last_year_ - 400 < cs.year() && cs.year() <= last_year_); - time_zone::civil_lookup cl = MakeTime(cs); - if (c4_shift > seconds::max().count() / kSecsPer400Years) { - cl.pre = cl.trans = cl.post = time_point<seconds>::max(); - } else { - const auto offset = seconds(c4_shift * kSecsPer400Years); - const auto limit = time_point<seconds>::max() - offset; - for (auto* tp : {&cl.pre, &cl.trans, &cl.post}) { - if (*tp > limit) { - *tp = time_point<seconds>::max(); - } else { - *tp += offset; - } - } - } - return cl; -} - -time_zone::absolute_lookup TimeZoneInfo::BreakTime( - const time_point<seconds>& tp) const { - std::int_fast64_t unix_time = ToUnixSeconds(tp); - const std::size_t timecnt = transitions_.size(); - assert(timecnt != 0); // We always add a transition. - - if (unix_time < transitions_[0].unix_time) { - return LocalTime(unix_time, transition_types_[default_transition_type_]); - } - if (unix_time >= transitions_[timecnt - 1].unix_time) { - // After the last transition. If we extended the transitions using - // future_spec_, shift back to a supported year using the 400-year - // cycle of calendaric equivalence and then compensate accordingly. - if (extended_) { - const std::int_fast64_t diff = - unix_time - transitions_[timecnt - 1].unix_time; - const year_t shift = diff / kSecsPer400Years + 1; - const auto d = seconds(shift * kSecsPer400Years); - time_zone::absolute_lookup al = BreakTime(tp - d); - al.cs = YearShift(al.cs, shift * 400); - return al; - } - return LocalTime(unix_time, transitions_[timecnt - 1]); - } - - const std::size_t hint = local_time_hint_.load(std::memory_order_relaxed); - if (0 < hint && hint < timecnt) { - if (transitions_[hint - 1].unix_time <= unix_time) { - if (unix_time < transitions_[hint].unix_time) { - return LocalTime(unix_time, transitions_[hint - 1]); - } - } - } - - const Transition target = {unix_time, 0, civil_second(), civil_second()}; - const Transition* begin = &transitions_[0]; - const Transition* tr = std::upper_bound(begin, begin + timecnt, target, - Transition::ByUnixTime()); - local_time_hint_.store(static_cast<std::size_t>(tr - begin), - std::memory_order_relaxed); - return LocalTime(unix_time, *--tr); -} - -time_zone::civil_lookup TimeZoneInfo::MakeTime(const civil_second& cs) const { - const std::size_t timecnt = transitions_.size(); - assert(timecnt != 0); // We always add a transition. - - // Find the first transition after our target civil time. - const Transition* tr = nullptr; - const Transition* begin = &transitions_[0]; - const Transition* end = begin + timecnt; - if (cs < begin->civil_sec) { - tr = begin; - } else if (cs >= transitions_[timecnt - 1].civil_sec) { - tr = end; - } else { - const std::size_t hint = time_local_hint_.load(std::memory_order_relaxed); - if (0 < hint && hint < timecnt) { - if (transitions_[hint - 1].civil_sec <= cs) { - if (cs < transitions_[hint].civil_sec) { - tr = begin + hint; - } - } - } - if (tr == nullptr) { - const Transition target = {0, 0, cs, civil_second()}; - tr = std::upper_bound(begin, end, target, Transition::ByCivilTime()); - time_local_hint_.store(static_cast<std::size_t>(tr - begin), - std::memory_order_relaxed); - } - } - - if (tr == begin) { - if (tr->prev_civil_sec >= cs) { - // Before first transition, so use the default offset. - const TransitionType& tt(transition_types_[default_transition_type_]); - if (cs < tt.civil_min) return MakeUnique(time_point<seconds>::min()); - return MakeUnique(cs - (civil_second() + tt.utc_offset)); - } - // tr->prev_civil_sec < cs < tr->civil_sec - return MakeSkipped(*tr, cs); - } - - if (tr == end) { - if (cs > (--tr)->prev_civil_sec) { - // After the last transition. If we extended the transitions using - // future_spec_, shift back to a supported year using the 400-year - // cycle of calendaric equivalence and then compensate accordingly. - if (extended_ && cs.year() > last_year_) { - const year_t shift = (cs.year() - last_year_ - 1) / 400 + 1; - return TimeLocal(YearShift(cs, shift * -400), shift); - } - const TransitionType& tt(transition_types_[tr->type_index]); - if (cs > tt.civil_max) return MakeUnique(time_point<seconds>::max()); - return MakeUnique(tr->unix_time + (cs - tr->civil_sec)); - } - // tr->civil_sec <= cs <= tr->prev_civil_sec - return MakeRepeated(*tr, cs); - } - - if (tr->prev_civil_sec < cs) { - // tr->prev_civil_sec < cs < tr->civil_sec - return MakeSkipped(*tr, cs); - } - - if (cs <= (--tr)->prev_civil_sec) { - // tr->civil_sec <= cs <= tr->prev_civil_sec - return MakeRepeated(*tr, cs); - } - - // In between transitions. - return MakeUnique(tr->unix_time + (cs - tr->civil_sec)); -} - -std::string TimeZoneInfo::Version() const { return version_; } - -std::string TimeZoneInfo::Description() const { - std::ostringstream oss; - oss << "#trans=" << transitions_.size(); - oss << " #types=" << transition_types_.size(); - oss << " spec='" << future_spec_ << "'"; - return oss.str(); -} - -bool TimeZoneInfo::NextTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const { - if (transitions_.empty()) return false; - const Transition* begin = &transitions_[0]; - const Transition* end = begin + transitions_.size(); - if (begin->unix_time <= -(1LL << 59)) { - // Do not report the BIG_BANG found in recent zoneinfo data as it is - // really a sentinel, not a transition. See tz/zic.c. - ++begin; - } - std::int_fast64_t unix_time = ToUnixSeconds(tp); - const Transition target = {unix_time, 0, civil_second(), civil_second()}; - const Transition* tr = - std::upper_bound(begin, end, target, Transition::ByUnixTime()); - for (; tr != end; ++tr) { // skip no-op transitions - std::uint_fast8_t prev_type_index = - (tr == begin) ? default_transition_type_ : tr[-1].type_index; - if (!EquivTransitions(prev_type_index, tr[0].type_index)) break; - } - // When tr == end we return false, ignoring future_spec_. - if (tr == end) return false; - trans->from = tr->prev_civil_sec + 1; - trans->to = tr->civil_sec; - return true; -} - -bool TimeZoneInfo::PrevTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const { - if (transitions_.empty()) return false; - const Transition* begin = &transitions_[0]; - const Transition* end = begin + transitions_.size(); - if (begin->unix_time <= -(1LL << 59)) { - // Do not report the BIG_BANG found in recent zoneinfo data as it is - // really a sentinel, not a transition. See tz/zic.c. - ++begin; - } - std::int_fast64_t unix_time = ToUnixSeconds(tp); - if (FromUnixSeconds(unix_time) != tp) { - if (unix_time == std::numeric_limits<std::int_fast64_t>::max()) { - if (end == begin) return false; // Ignore future_spec_. - trans->from = (--end)->prev_civil_sec + 1; - trans->to = end->civil_sec; - return true; - } - unix_time += 1; // ceils - } - const Transition target = {unix_time, 0, civil_second(), civil_second()}; - const Transition* tr = - std::lower_bound(begin, end, target, Transition::ByUnixTime()); - for (; tr != begin; --tr) { // skip no-op transitions - std::uint_fast8_t prev_type_index = - (tr - 1 == begin) ? default_transition_type_ : tr[-2].type_index; - if (!EquivTransitions(prev_type_index, tr[-1].type_index)) break; - } - // When tr == end we return the "last" transition, ignoring future_spec_. - if (tr == begin) return false; - trans->from = (--tr)->prev_civil_sec + 1; - trans->to = tr->civil_sec; - return true; -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_info.h b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_info.h deleted file mode 100644 index 2a10c06c77..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_info.h +++ /dev/null @@ -1,138 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#ifndef ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_INFO_H_ -#define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_INFO_H_ - -#include <atomic> -#include <cstddef> -#include <cstdint> -#include <string> -#include <vector> - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" -#include "absl/time/internal/cctz/include/cctz/zone_info_source.h" -#include "time_zone_if.h" -#include "tzfile.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -// A transition to a new UTC offset. -struct Transition { - std::int_least64_t unix_time; // the instant of this transition - std::uint_least8_t type_index; // index of the transition type - civil_second civil_sec; // local civil time of transition - civil_second prev_civil_sec; // local civil time one second earlier - - struct ByUnixTime { - inline bool operator()(const Transition& lhs, const Transition& rhs) const { - return lhs.unix_time < rhs.unix_time; - } - }; - struct ByCivilTime { - inline bool operator()(const Transition& lhs, const Transition& rhs) const { - return lhs.civil_sec < rhs.civil_sec; - } - }; -}; - -// The characteristics of a particular transition. -struct TransitionType { - std::int_least32_t utc_offset; // the new prevailing UTC offset - civil_second civil_max; // max convertible civil time for offset - civil_second civil_min; // min convertible civil time for offset - bool is_dst; // did we move into daylight-saving time - std::uint_least8_t abbr_index; // index of the new abbreviation -}; - -// A time zone backed by the IANA Time Zone Database (zoneinfo). -class TimeZoneInfo : public TimeZoneIf { - public: - TimeZoneInfo() = default; - TimeZoneInfo(const TimeZoneInfo&) = delete; - TimeZoneInfo& operator=(const TimeZoneInfo&) = delete; - - // Loads the zoneinfo for the given name, returning true if successful. - bool Load(const std::string& name); - - // TimeZoneIf implementations. - time_zone::absolute_lookup BreakTime( - const time_point<seconds>& tp) const override; - time_zone::civil_lookup MakeTime(const civil_second& cs) const override; - bool NextTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const override; - bool PrevTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const override; - std::string Version() const override; - std::string Description() const override; - - private: - struct Header { // counts of: - std::size_t timecnt; // transition times - std::size_t typecnt; // transition types - std::size_t charcnt; // zone abbreviation characters - std::size_t leapcnt; // leap seconds (we expect none) - std::size_t ttisstdcnt; // UTC/local indicators (unused) - std::size_t ttisutcnt; // standard/wall indicators (unused) - - bool Build(const tzhead& tzh); - std::size_t DataLength(std::size_t time_len) const; - }; - - void CheckTransition(const std::string& name, const TransitionType& tt, - std::int_fast32_t offset, bool is_dst, - const std::string& abbr) const; - bool EquivTransitions(std::uint_fast8_t tt1_index, - std::uint_fast8_t tt2_index) const; - void ExtendTransitions(const std::string& name, const Header& hdr); - - bool ResetToBuiltinUTC(const seconds& offset); - bool Load(const std::string& name, ZoneInfoSource* zip); - - // Helpers for BreakTime() and MakeTime(). - time_zone::absolute_lookup LocalTime(std::int_fast64_t unix_time, - const TransitionType& tt) const; - time_zone::absolute_lookup LocalTime(std::int_fast64_t unix_time, - const Transition& tr) const; - time_zone::civil_lookup TimeLocal(const civil_second& cs, - year_t c4_shift) const; - - std::vector<Transition> transitions_; // ordered by unix_time and civil_sec - std::vector<TransitionType> transition_types_; // distinct transition types - std::uint_fast8_t default_transition_type_; // for before first transition - std::string abbreviations_; // all the NUL-terminated abbreviations - - std::string version_; // the tzdata version if available - std::string future_spec_; // for after the last zic transition - bool extended_; // future_spec_ was used to generate transitions - year_t last_year_; // the final year of the generated transitions - - // We remember the transitions found during the last BreakTime() and - // MakeTime() calls. If the next request is for the same transition we - // will avoid re-searching. - mutable std::atomic<std::size_t> local_time_hint_ = {}; // BreakTime() hint - mutable std::atomic<std::size_t> time_local_hint_ = {}; // MakeTime() hint -}; - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_INFO_H_ diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_libc.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_libc.cc deleted file mode 100644 index 47cf84c663..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_libc.cc +++ /dev/null @@ -1,308 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#if defined(_WIN32) || defined(_WIN64) -#define _CRT_SECURE_NO_WARNINGS 1 -#endif - -#include "time_zone_libc.h" - -#include <chrono> -#include <ctime> -#include <limits> -#include <utility> - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -#if defined(_WIN32) || defined(_WIN64) -// Uses the globals: '_timezone', '_dstbias' and '_tzname'. -auto tm_gmtoff(const std::tm& tm) -> decltype(_timezone + _dstbias) { - const bool is_dst = tm.tm_isdst > 0; - return _timezone + (is_dst ? _dstbias : 0); -} -auto tm_zone(const std::tm& tm) -> decltype(_tzname[0]) { - const bool is_dst = tm.tm_isdst > 0; - return _tzname[is_dst]; -} -#elif defined(__sun) -// Uses the globals: 'timezone', 'altzone' and 'tzname'. -auto tm_gmtoff(const std::tm& tm) -> decltype(timezone) { - const bool is_dst = tm.tm_isdst > 0; - return is_dst ? altzone : timezone; -} -auto tm_zone(const std::tm& tm) -> decltype(tzname[0]) { - const bool is_dst = tm.tm_isdst > 0; - return tzname[is_dst]; -} -#elif defined(__native_client__) || defined(__myriad2__) || \ - defined(__EMSCRIPTEN__) -// Uses the globals: 'timezone' and 'tzname'. -auto tm_gmtoff(const std::tm& tm) -> decltype(_timezone + 0) { - const bool is_dst = tm.tm_isdst > 0; - return _timezone + (is_dst ? 60 * 60 : 0); -} -auto tm_zone(const std::tm& tm) -> decltype(tzname[0]) { - const bool is_dst = tm.tm_isdst > 0; - return tzname[is_dst]; -} -#else -// Adapt to different spellings of the struct std::tm extension fields. -#if defined(tm_gmtoff) -auto tm_gmtoff(const std::tm& tm) -> decltype(tm.tm_gmtoff) { - return tm.tm_gmtoff; -} -#elif defined(__tm_gmtoff) -auto tm_gmtoff(const std::tm& tm) -> decltype(tm.__tm_gmtoff) { - return tm.__tm_gmtoff; -} -#else -template <typename T> -auto tm_gmtoff(const T& tm) -> decltype(tm.tm_gmtoff) { - return tm.tm_gmtoff; -} -template <typename T> -auto tm_gmtoff(const T& tm) -> decltype(tm.__tm_gmtoff) { - return tm.__tm_gmtoff; -} -#endif // tm_gmtoff -#if defined(tm_zone) -auto tm_zone(const std::tm& tm) -> decltype(tm.tm_zone) { return tm.tm_zone; } -#elif defined(__tm_zone) -auto tm_zone(const std::tm& tm) -> decltype(tm.__tm_zone) { - return tm.__tm_zone; -} -#else -template <typename T> -auto tm_zone(const T& tm) -> decltype(tm.tm_zone) { - return tm.tm_zone; -} -template <typename T> -auto tm_zone(const T& tm) -> decltype(tm.__tm_zone) { - return tm.__tm_zone; -} -#endif // tm_zone -#endif - -inline std::tm* gm_time(const std::time_t* timep, std::tm* result) { -#if defined(_WIN32) || defined(_WIN64) - return gmtime_s(result, timep) ? nullptr : result; -#else - return gmtime_r(timep, result); -#endif -} - -inline std::tm* local_time(const std::time_t* timep, std::tm* result) { -#if defined(_WIN32) || defined(_WIN64) - return localtime_s(result, timep) ? nullptr : result; -#else - return localtime_r(timep, result); -#endif -} - -// Converts a civil second and "dst" flag into a time_t and UTC offset. -// Returns false if time_t cannot represent the requested civil second. -// Caller must have already checked that cs.year() will fit into a tm_year. -bool make_time(const civil_second& cs, int is_dst, std::time_t* t, int* off) { - std::tm tm; - tm.tm_year = static_cast<int>(cs.year() - year_t{1900}); - tm.tm_mon = cs.month() - 1; - tm.tm_mday = cs.day(); - tm.tm_hour = cs.hour(); - tm.tm_min = cs.minute(); - tm.tm_sec = cs.second(); - tm.tm_isdst = is_dst; - *t = std::mktime(&tm); - if (*t == std::time_t{-1}) { - std::tm tm2; - const std::tm* tmp = local_time(t, &tm2); - if (tmp == nullptr || tmp->tm_year != tm.tm_year || - tmp->tm_mon != tm.tm_mon || tmp->tm_mday != tm.tm_mday || - tmp->tm_hour != tm.tm_hour || tmp->tm_min != tm.tm_min || - tmp->tm_sec != tm.tm_sec) { - // A true error (not just one second before the epoch). - return false; - } - } - *off = static_cast<int>(tm_gmtoff(tm)); - return true; -} - -// Find the least time_t in [lo:hi] where local time matches offset, given: -// (1) lo doesn't match, (2) hi does, and (3) there is only one transition. -std::time_t find_trans(std::time_t lo, std::time_t hi, int offset) { - std::tm tm; - while (lo + 1 != hi) { - const std::time_t mid = lo + (hi - lo) / 2; - if (std::tm* tmp = local_time(&mid, &tm)) { - if (tm_gmtoff(*tmp) == offset) { - hi = mid; - } else { - lo = mid; - } - } else { - // If std::tm cannot hold some result we resort to a linear search, - // ignoring all failed conversions. Slow, but never really happens. - while (++lo != hi) { - if (std::tm* tmp = local_time(&lo, &tm)) { - if (tm_gmtoff(*tmp) == offset) break; - } - } - return lo; - } - } - return hi; -} - -} // namespace - -TimeZoneLibC::TimeZoneLibC(const std::string& name) - : local_(name == "localtime") {} - -time_zone::absolute_lookup TimeZoneLibC::BreakTime( - const time_point<seconds>& tp) const { - time_zone::absolute_lookup al; - al.offset = 0; - al.is_dst = false; - al.abbr = "-00"; - - const std::int_fast64_t s = ToUnixSeconds(tp); - - // If std::time_t cannot hold the input we saturate the output. - if (s < std::numeric_limits<std::time_t>::min()) { - al.cs = civil_second::min(); - return al; - } - if (s > std::numeric_limits<std::time_t>::max()) { - al.cs = civil_second::max(); - return al; - } - - const std::time_t t = static_cast<std::time_t>(s); - std::tm tm; - std::tm* tmp = local_ ? local_time(&t, &tm) : gm_time(&t, &tm); - - // If std::tm cannot hold the result we saturate the output. - if (tmp == nullptr) { - al.cs = (s < 0) ? civil_second::min() : civil_second::max(); - return al; - } - - const year_t year = tmp->tm_year + year_t{1900}; - al.cs = civil_second(year, tmp->tm_mon + 1, tmp->tm_mday, tmp->tm_hour, - tmp->tm_min, tmp->tm_sec); - al.offset = static_cast<int>(tm_gmtoff(*tmp)); - al.abbr = local_ ? tm_zone(*tmp) : "UTC"; // as expected by cctz - al.is_dst = tmp->tm_isdst > 0; - return al; -} - -time_zone::civil_lookup TimeZoneLibC::MakeTime(const civil_second& cs) const { - if (!local_) { - // If time_point<seconds> cannot hold the result we saturate. - static const civil_second min_tp_cs = - civil_second() + ToUnixSeconds(time_point<seconds>::min()); - static const civil_second max_tp_cs = - civil_second() + ToUnixSeconds(time_point<seconds>::max()); - const time_point<seconds> tp = - (cs < min_tp_cs) - ? time_point<seconds>::min() - : (cs > max_tp_cs) ? time_point<seconds>::max() - : FromUnixSeconds(cs - civil_second()); - return {time_zone::civil_lookup::UNIQUE, tp, tp, tp}; - } - - // If tm_year cannot hold the requested year we saturate the result. - if (cs.year() < 0) { - if (cs.year() < std::numeric_limits<int>::min() + year_t{1900}) { - const time_point<seconds> tp = time_point<seconds>::min(); - return {time_zone::civil_lookup::UNIQUE, tp, tp, tp}; - } - } else { - if (cs.year() - year_t{1900} > std::numeric_limits<int>::max()) { - const time_point<seconds> tp = time_point<seconds>::max(); - return {time_zone::civil_lookup::UNIQUE, tp, tp, tp}; - } - } - - // We probe with "is_dst" values of 0 and 1 to try to distinguish unique - // civil seconds from skipped or repeated ones. This is not always possible - // however, as the "dst" flag does not change over some offset transitions. - // We are also subject to the vagaries of mktime() implementations. - std::time_t t0, t1; - int offset0, offset1; - if (make_time(cs, 0, &t0, &offset0) && make_time(cs, 1, &t1, &offset1)) { - if (t0 == t1) { - // The civil time was singular (pre == trans == post). - const time_point<seconds> tp = FromUnixSeconds(t0); - return {time_zone::civil_lookup::UNIQUE, tp, tp, tp}; - } - - if (t0 > t1) { - std::swap(t0, t1); - std::swap(offset0, offset1); - } - const std::time_t tt = find_trans(t0, t1, offset1); - const time_point<seconds> trans = FromUnixSeconds(tt); - - if (offset0 < offset1) { - // The civil time did not exist (pre >= trans > post). - const time_point<seconds> pre = FromUnixSeconds(t1); - const time_point<seconds> post = FromUnixSeconds(t0); - return {time_zone::civil_lookup::SKIPPED, pre, trans, post}; - } - - // The civil time was ambiguous (pre < trans <= post). - const time_point<seconds> pre = FromUnixSeconds(t0); - const time_point<seconds> post = FromUnixSeconds(t1); - return {time_zone::civil_lookup::REPEATED, pre, trans, post}; - } - - // make_time() failed somehow so we saturate the result. - const time_point<seconds> tp = (cs < civil_second()) - ? time_point<seconds>::min() - : time_point<seconds>::max(); - return {time_zone::civil_lookup::UNIQUE, tp, tp, tp}; -} - -bool TimeZoneLibC::NextTransition(const time_point<seconds>&, - time_zone::civil_transition*) const { - return false; -} - -bool TimeZoneLibC::PrevTransition(const time_point<seconds>&, - time_zone::civil_transition*) const { - return false; -} - -std::string TimeZoneLibC::Version() const { - return std::string(); // unknown -} - -std::string TimeZoneLibC::Description() const { - return local_ ? "localtime" : "UTC"; -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_libc.h b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_libc.h deleted file mode 100644 index 1da9039a15..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_libc.h +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#ifndef ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_LIBC_H_ -#define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_LIBC_H_ - -#include <string> - -#include "absl/base/config.h" -#include "time_zone_if.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -// A time zone backed by gmtime_r(3), localtime_r(3), and mktime(3), -// and which therefore only supports UTC and the local time zone. -// TODO: Add support for fixed offsets from UTC. -class TimeZoneLibC : public TimeZoneIf { - public: - explicit TimeZoneLibC(const std::string& name); - - // TimeZoneIf implementations. - time_zone::absolute_lookup BreakTime( - const time_point<seconds>& tp) const override; - time_zone::civil_lookup MakeTime(const civil_second& cs) const override; - bool NextTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const override; - bool PrevTransition(const time_point<seconds>& tp, - time_zone::civil_transition* trans) const override; - std::string Version() const override; - std::string Description() const override; - - private: - const bool local_; // localtime or UTC -}; - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_LIBC_H_ diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_lookup.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_lookup.cc deleted file mode 100644 index efdea64b4e..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_lookup.cc +++ /dev/null @@ -1,187 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" - -#if defined(__ANDROID__) -#include <sys/system_properties.h> -#if defined(__ANDROID_API__) && __ANDROID_API__ >= 21 -#include <dlfcn.h> -#endif -#endif - -#if defined(__APPLE__) -#include <CoreFoundation/CFTimeZone.h> - -#include <vector> -#endif - -#include <cstdlib> -#include <cstring> -#include <string> - -#include "time_zone_fixed.h" -#include "time_zone_impl.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -#if defined(__ANDROID__) && defined(__ANDROID_API__) && __ANDROID_API__ >= 21 -namespace { -// Android 'L' removes __system_property_get() from the NDK, however -// it is still a hidden symbol in libc so we use dlsym() to access it. -// See Chromium's base/sys_info_android.cc for a similar example. - -using property_get_func = int (*)(const char*, char*); - -property_get_func LoadSystemPropertyGet() { - int flag = RTLD_LAZY | RTLD_GLOBAL; -#if defined(RTLD_NOLOAD) - flag |= RTLD_NOLOAD; // libc.so should already be resident -#endif - if (void* handle = dlopen("libc.so", flag)) { - void* sym = dlsym(handle, "__system_property_get"); - dlclose(handle); - return reinterpret_cast<property_get_func>(sym); - } - return nullptr; -} - -int __system_property_get(const char* name, char* value) { - static property_get_func system_property_get = LoadSystemPropertyGet(); - return system_property_get ? system_property_get(name, value) : -1; -} - -} // namespace -#endif - -std::string time_zone::name() const { return effective_impl().Name(); } - -time_zone::absolute_lookup time_zone::lookup( - const time_point<seconds>& tp) const { - return effective_impl().BreakTime(tp); -} - -time_zone::civil_lookup time_zone::lookup(const civil_second& cs) const { - return effective_impl().MakeTime(cs); -} - -bool time_zone::next_transition(const time_point<seconds>& tp, - civil_transition* trans) const { - return effective_impl().NextTransition(tp, trans); -} - -bool time_zone::prev_transition(const time_point<seconds>& tp, - civil_transition* trans) const { - return effective_impl().PrevTransition(tp, trans); -} - -std::string time_zone::version() const { return effective_impl().Version(); } - -std::string time_zone::description() const { - return effective_impl().Description(); -} - -const time_zone::Impl& time_zone::effective_impl() const { - if (impl_ == nullptr) { - // Dereferencing an implicit-UTC time_zone is expected to be - // rare, so we don't mind paying a small synchronization cost. - return *time_zone::Impl::UTC().impl_; - } - return *impl_; -} - -bool load_time_zone(const std::string& name, time_zone* tz) { - return time_zone::Impl::LoadTimeZone(name, tz); -} - -time_zone utc_time_zone() { - return time_zone::Impl::UTC(); // avoid name lookup -} - -time_zone fixed_time_zone(const seconds& offset) { - time_zone tz; - load_time_zone(FixedOffsetToName(offset), &tz); - return tz; -} - -time_zone local_time_zone() { - const char* zone = ":localtime"; -#if defined(__ANDROID__) - char sysprop[PROP_VALUE_MAX]; - if (__system_property_get("persist.sys.timezone", sysprop) > 0) { - zone = sysprop; - } -#endif -#if defined(__APPLE__) - std::vector<char> buffer; - CFTimeZoneRef tz_default = CFTimeZoneCopyDefault(); - if (CFStringRef tz_name = CFTimeZoneGetName(tz_default)) { - CFStringEncoding encoding = kCFStringEncodingUTF8; - CFIndex length = CFStringGetLength(tz_name); - buffer.resize(CFStringGetMaximumSizeForEncoding(length, encoding) + 1); - if (CFStringGetCString(tz_name, &buffer[0], buffer.size(), encoding)) { - zone = &buffer[0]; - } - } - CFRelease(tz_default); -#endif - - // Allow ${TZ} to override to default zone. - char* tz_env = nullptr; -#if defined(_MSC_VER) - _dupenv_s(&tz_env, nullptr, "TZ"); -#else - tz_env = std::getenv("TZ"); -#endif - if (tz_env) zone = tz_env; - - // We only support the "[:]<zone-name>" form. - if (*zone == ':') ++zone; - - // Map "localtime" to a system-specific name, but - // allow ${LOCALTIME} to override the default name. - char* localtime_env = nullptr; - if (strcmp(zone, "localtime") == 0) { -#if defined(_MSC_VER) - // System-specific default is just "localtime". - _dupenv_s(&localtime_env, nullptr, "LOCALTIME"); -#else - zone = "/etc/localtime"; // System-specific default. - localtime_env = std::getenv("LOCALTIME"); -#endif - if (localtime_env) zone = localtime_env; - } - - const std::string name = zone; -#if defined(_MSC_VER) - free(localtime_env); - free(tz_env); -#endif - - time_zone tz; - load_time_zone(name, &tz); // Falls back to UTC. - // TODO: Follow the RFC3339 "Unknown Local Offset Convention" and - // arrange for %z to generate "-0000" when we don't know the local - // offset because the load_time_zone() failed and we're using UTC. - return tz; -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_lookup_test.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_lookup_test.cc deleted file mode 100644 index 8f7ab154fa..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_lookup_test.cc +++ /dev/null @@ -1,1438 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include <chrono> -#include <cstddef> -#include <cstdlib> -#include <future> -#include <limits> -#include <string> -#include <thread> -#include <vector> - -#include "gtest/gtest.h" -#include "absl/base/config.h" -#include "absl/time/internal/cctz/include/cctz/civil_time.h" -#include "absl/time/internal/cctz/include/cctz/time_zone.h" - -namespace chrono = std::chrono; - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -// A list of known time-zone names. -const char* const kTimeZoneNames[] = {"Africa/Abidjan", - "Africa/Accra", - "Africa/Addis_Ababa", - "Africa/Algiers", - "Africa/Asmara", - "Africa/Asmera", - "Africa/Bamako", - "Africa/Bangui", - "Africa/Banjul", - "Africa/Bissau", - "Africa/Blantyre", - "Africa/Brazzaville", - "Africa/Bujumbura", - "Africa/Cairo", - "Africa/Casablanca", - "Africa/Ceuta", - "Africa/Conakry", - "Africa/Dakar", - "Africa/Dar_es_Salaam", - "Africa/Djibouti", - "Africa/Douala", - "Africa/El_Aaiun", - "Africa/Freetown", - "Africa/Gaborone", - "Africa/Harare", - "Africa/Johannesburg", - "Africa/Juba", - "Africa/Kampala", - "Africa/Khartoum", - "Africa/Kigali", - "Africa/Kinshasa", - "Africa/Lagos", - "Africa/Libreville", - "Africa/Lome", - "Africa/Luanda", - "Africa/Lubumbashi", - "Africa/Lusaka", - "Africa/Malabo", - "Africa/Maputo", - "Africa/Maseru", - "Africa/Mbabane", - "Africa/Mogadishu", - "Africa/Monrovia", - "Africa/Nairobi", - "Africa/Ndjamena", - "Africa/Niamey", - "Africa/Nouakchott", - "Africa/Ouagadougou", - "Africa/Porto-Novo", - "Africa/Sao_Tome", - "Africa/Timbuktu", - "Africa/Tripoli", - "Africa/Tunis", - "Africa/Windhoek", - "America/Adak", - "America/Anchorage", - "America/Anguilla", - "America/Antigua", - "America/Araguaina", - "America/Argentina/Buenos_Aires", - "America/Argentina/Catamarca", - "America/Argentina/ComodRivadavia", - "America/Argentina/Cordoba", - "America/Argentina/Jujuy", - "America/Argentina/La_Rioja", - "America/Argentina/Mendoza", - "America/Argentina/Rio_Gallegos", - "America/Argentina/Salta", - "America/Argentina/San_Juan", - "America/Argentina/San_Luis", - "America/Argentina/Tucuman", - "America/Argentina/Ushuaia", - "America/Aruba", - "America/Asuncion", - "America/Atikokan", - "America/Atka", - "America/Bahia", - "America/Bahia_Banderas", - "America/Barbados", - "America/Belem", - "America/Belize", - "America/Blanc-Sablon", - "America/Boa_Vista", - "America/Bogota", - "America/Boise", - "America/Buenos_Aires", - "America/Cambridge_Bay", - "America/Campo_Grande", - "America/Cancun", - "America/Caracas", - "America/Catamarca", - "America/Cayenne", - "America/Cayman", - "America/Chicago", - "America/Chihuahua", - "America/Coral_Harbour", - "America/Cordoba", - "America/Costa_Rica", - "America/Creston", - "America/Cuiaba", - "America/Curacao", - "America/Danmarkshavn", - "America/Dawson", - "America/Dawson_Creek", - "America/Denver", - "America/Detroit", - "America/Dominica", - "America/Edmonton", - "America/Eirunepe", - "America/El_Salvador", - "America/Ensenada", - "America/Fort_Nelson", - "America/Fort_Wayne", - "America/Fortaleza", - "America/Glace_Bay", - "America/Godthab", - "America/Goose_Bay", - "America/Grand_Turk", - "America/Grenada", - "America/Guadeloupe", - "America/Guatemala", - "America/Guayaquil", - "America/Guyana", - "America/Halifax", - "America/Havana", - "America/Hermosillo", - "America/Indiana/Indianapolis", - "America/Indiana/Knox", - "America/Indiana/Marengo", - "America/Indiana/Petersburg", - "America/Indiana/Tell_City", - "America/Indiana/Vevay", - "America/Indiana/Vincennes", - "America/Indiana/Winamac", - "America/Indianapolis", - "America/Inuvik", - "America/Iqaluit", - "America/Jamaica", - "America/Jujuy", - "America/Juneau", - "America/Kentucky/Louisville", - "America/Kentucky/Monticello", - "America/Knox_IN", - "America/Kralendijk", - "America/La_Paz", - "America/Lima", - "America/Los_Angeles", - "America/Louisville", - "America/Lower_Princes", - "America/Maceio", - "America/Managua", - "America/Manaus", - "America/Marigot", - "America/Martinique", - "America/Matamoros", - "America/Mazatlan", - "America/Mendoza", - "America/Menominee", - "America/Merida", - "America/Metlakatla", - "America/Mexico_City", - "America/Miquelon", - "America/Moncton", - "America/Monterrey", - "America/Montevideo", - "America/Montreal", - "America/Montserrat", - "America/Nassau", - "America/New_York", - "America/Nipigon", - "America/Nome", - "America/Noronha", - "America/North_Dakota/Beulah", - "America/North_Dakota/Center", - "America/North_Dakota/New_Salem", - "America/Nuuk", - "America/Ojinaga", - "America/Panama", - "America/Pangnirtung", - "America/Paramaribo", - "America/Phoenix", - "America/Port-au-Prince", - "America/Port_of_Spain", - "America/Porto_Acre", - "America/Porto_Velho", - "America/Puerto_Rico", - "America/Punta_Arenas", - "America/Rainy_River", - "America/Rankin_Inlet", - "America/Recife", - "America/Regina", - "America/Resolute", - "America/Rio_Branco", - "America/Rosario", - "America/Santa_Isabel", - "America/Santarem", - "America/Santiago", - "America/Santo_Domingo", - "America/Sao_Paulo", - "America/Scoresbysund", - "America/Shiprock", - "America/Sitka", - "America/St_Barthelemy", - "America/St_Johns", - "America/St_Kitts", - "America/St_Lucia", - "America/St_Thomas", - "America/St_Vincent", - "America/Swift_Current", - "America/Tegucigalpa", - "America/Thule", - "America/Thunder_Bay", - "America/Tijuana", - "America/Toronto", - "America/Tortola", - "America/Vancouver", - "America/Virgin", - "America/Whitehorse", - "America/Winnipeg", - "America/Yakutat", - "America/Yellowknife", - "Antarctica/Casey", - "Antarctica/Davis", - "Antarctica/DumontDUrville", - "Antarctica/Macquarie", - "Antarctica/Mawson", - "Antarctica/McMurdo", - "Antarctica/Palmer", - "Antarctica/Rothera", - "Antarctica/South_Pole", - "Antarctica/Syowa", - "Antarctica/Troll", - "Antarctica/Vostok", - "Arctic/Longyearbyen", - "Asia/Aden", - "Asia/Almaty", - "Asia/Amman", - "Asia/Anadyr", - "Asia/Aqtau", - "Asia/Aqtobe", - "Asia/Ashgabat", - "Asia/Ashkhabad", - "Asia/Atyrau", - "Asia/Baghdad", - "Asia/Bahrain", - "Asia/Baku", - "Asia/Bangkok", - "Asia/Barnaul", - "Asia/Beirut", - "Asia/Bishkek", - "Asia/Brunei", - "Asia/Calcutta", - "Asia/Chita", - "Asia/Choibalsan", - "Asia/Chongqing", - "Asia/Chungking", - "Asia/Colombo", - "Asia/Dacca", - "Asia/Damascus", - "Asia/Dhaka", - "Asia/Dili", - "Asia/Dubai", - "Asia/Dushanbe", - "Asia/Famagusta", - "Asia/Gaza", - "Asia/Harbin", - "Asia/Hebron", - "Asia/Ho_Chi_Minh", - "Asia/Hong_Kong", - "Asia/Hovd", - "Asia/Irkutsk", - "Asia/Istanbul", - "Asia/Jakarta", - "Asia/Jayapura", - "Asia/Jerusalem", - "Asia/Kabul", - "Asia/Kamchatka", - "Asia/Karachi", - "Asia/Kashgar", - "Asia/Kathmandu", - "Asia/Katmandu", - "Asia/Khandyga", - "Asia/Kolkata", - "Asia/Krasnoyarsk", - "Asia/Kuala_Lumpur", - "Asia/Kuching", - "Asia/Kuwait", - "Asia/Macao", - "Asia/Macau", - "Asia/Magadan", - "Asia/Makassar", - "Asia/Manila", - "Asia/Muscat", - "Asia/Nicosia", - "Asia/Novokuznetsk", - "Asia/Novosibirsk", - "Asia/Omsk", - "Asia/Oral", - "Asia/Phnom_Penh", - "Asia/Pontianak", - "Asia/Pyongyang", - "Asia/Qatar", - "Asia/Qostanay", - "Asia/Qyzylorda", - "Asia/Rangoon", - "Asia/Riyadh", - "Asia/Saigon", - "Asia/Sakhalin", - "Asia/Samarkand", - "Asia/Seoul", - "Asia/Shanghai", - "Asia/Singapore", - "Asia/Srednekolymsk", - "Asia/Taipei", - "Asia/Tashkent", - "Asia/Tbilisi", - "Asia/Tehran", - "Asia/Tel_Aviv", - "Asia/Thimbu", - "Asia/Thimphu", - "Asia/Tokyo", - "Asia/Tomsk", - "Asia/Ujung_Pandang", - "Asia/Ulaanbaatar", - "Asia/Ulan_Bator", - "Asia/Urumqi", - "Asia/Ust-Nera", - "Asia/Vientiane", - "Asia/Vladivostok", - "Asia/Yakutsk", - "Asia/Yangon", - "Asia/Yekaterinburg", - "Asia/Yerevan", - "Atlantic/Azores", - "Atlantic/Bermuda", - "Atlantic/Canary", - "Atlantic/Cape_Verde", - "Atlantic/Faeroe", - "Atlantic/Faroe", - "Atlantic/Jan_Mayen", - "Atlantic/Madeira", - "Atlantic/Reykjavik", - "Atlantic/South_Georgia", - "Atlantic/St_Helena", - "Atlantic/Stanley", - "Australia/ACT", - "Australia/Adelaide", - "Australia/Brisbane", - "Australia/Broken_Hill", - "Australia/Canberra", - "Australia/Currie", - "Australia/Darwin", - "Australia/Eucla", - "Australia/Hobart", - "Australia/LHI", - "Australia/Lindeman", - "Australia/Lord_Howe", - "Australia/Melbourne", - "Australia/NSW", - "Australia/North", - "Australia/Perth", - "Australia/Queensland", - "Australia/South", - "Australia/Sydney", - "Australia/Tasmania", - "Australia/Victoria", - "Australia/West", - "Australia/Yancowinna", - "Brazil/Acre", - "Brazil/DeNoronha", - "Brazil/East", - "Brazil/West", - "CET", - "CST6CDT", - "Canada/Atlantic", - "Canada/Central", - "Canada/Eastern", - "Canada/Mountain", - "Canada/Newfoundland", - "Canada/Pacific", - "Canada/Saskatchewan", - "Canada/Yukon", - "Chile/Continental", - "Chile/EasterIsland", - "Cuba", - "EET", - "EST", - "EST5EDT", - "Egypt", - "Eire", - "Etc/GMT", - "Etc/GMT+0", - "Etc/GMT+1", - "Etc/GMT+10", - "Etc/GMT+11", - "Etc/GMT+12", - "Etc/GMT+2", - "Etc/GMT+3", - "Etc/GMT+4", - "Etc/GMT+5", - "Etc/GMT+6", - "Etc/GMT+7", - "Etc/GMT+8", - "Etc/GMT+9", - "Etc/GMT-0", - "Etc/GMT-1", - "Etc/GMT-10", - "Etc/GMT-11", - "Etc/GMT-12", - "Etc/GMT-13", - "Etc/GMT-14", - "Etc/GMT-2", - "Etc/GMT-3", - "Etc/GMT-4", - "Etc/GMT-5", - "Etc/GMT-6", - "Etc/GMT-7", - "Etc/GMT-8", - "Etc/GMT-9", - "Etc/GMT0", - "Etc/Greenwich", - "Etc/UCT", - "Etc/UTC", - "Etc/Universal", - "Etc/Zulu", - "Europe/Amsterdam", - "Europe/Andorra", - "Europe/Astrakhan", - "Europe/Athens", - "Europe/Belfast", - "Europe/Belgrade", - "Europe/Berlin", - "Europe/Bratislava", - "Europe/Brussels", - "Europe/Bucharest", - "Europe/Budapest", - "Europe/Busingen", - "Europe/Chisinau", - "Europe/Copenhagen", - "Europe/Dublin", - "Europe/Gibraltar", - "Europe/Guernsey", - "Europe/Helsinki", - "Europe/Isle_of_Man", - "Europe/Istanbul", - "Europe/Jersey", - "Europe/Kaliningrad", - "Europe/Kiev", - "Europe/Kirov", - "Europe/Lisbon", - "Europe/Ljubljana", - "Europe/London", - "Europe/Luxembourg", - "Europe/Madrid", - "Europe/Malta", - "Europe/Mariehamn", - "Europe/Minsk", - "Europe/Monaco", - "Europe/Moscow", - "Europe/Nicosia", - "Europe/Oslo", - "Europe/Paris", - "Europe/Podgorica", - "Europe/Prague", - "Europe/Riga", - "Europe/Rome", - "Europe/Samara", - "Europe/San_Marino", - "Europe/Sarajevo", - "Europe/Saratov", - "Europe/Simferopol", - "Europe/Skopje", - "Europe/Sofia", - "Europe/Stockholm", - "Europe/Tallinn", - "Europe/Tirane", - "Europe/Tiraspol", - "Europe/Ulyanovsk", - "Europe/Uzhgorod", - "Europe/Vaduz", - "Europe/Vatican", - "Europe/Vienna", - "Europe/Vilnius", - "Europe/Volgograd", - "Europe/Warsaw", - "Europe/Zagreb", - "Europe/Zaporozhye", - "Europe/Zurich", - "GB", - "GB-Eire", - "GMT", - "GMT+0", - "GMT-0", - "GMT0", - "Greenwich", - "HST", - "Hongkong", - "Iceland", - "Indian/Antananarivo", - "Indian/Chagos", - "Indian/Christmas", - "Indian/Cocos", - "Indian/Comoro", - "Indian/Kerguelen", - "Indian/Mahe", - "Indian/Maldives", - "Indian/Mauritius", - "Indian/Mayotte", - "Indian/Reunion", - "Iran", - "Israel", - "Jamaica", - "Japan", - "Kwajalein", - "Libya", - "MET", - "MST", - "MST7MDT", - "Mexico/BajaNorte", - "Mexico/BajaSur", - "Mexico/General", - "NZ", - "NZ-CHAT", - "Navajo", - "PRC", - "PST8PDT", - "Pacific/Apia", - "Pacific/Auckland", - "Pacific/Bougainville", - "Pacific/Chatham", - "Pacific/Chuuk", - "Pacific/Easter", - "Pacific/Efate", - "Pacific/Enderbury", - "Pacific/Fakaofo", - "Pacific/Fiji", - "Pacific/Funafuti", - "Pacific/Galapagos", - "Pacific/Gambier", - "Pacific/Guadalcanal", - "Pacific/Guam", - "Pacific/Honolulu", - "Pacific/Johnston", - "Pacific/Kiritimati", - "Pacific/Kosrae", - "Pacific/Kwajalein", - "Pacific/Majuro", - "Pacific/Marquesas", - "Pacific/Midway", - "Pacific/Nauru", - "Pacific/Niue", - "Pacific/Norfolk", - "Pacific/Noumea", - "Pacific/Pago_Pago", - "Pacific/Palau", - "Pacific/Pitcairn", - "Pacific/Pohnpei", - "Pacific/Ponape", - "Pacific/Port_Moresby", - "Pacific/Rarotonga", - "Pacific/Saipan", - "Pacific/Samoa", - "Pacific/Tahiti", - "Pacific/Tarawa", - "Pacific/Tongatapu", - "Pacific/Truk", - "Pacific/Wake", - "Pacific/Wallis", - "Pacific/Yap", - "Poland", - "Portugal", - "ROC", - "ROK", - "Singapore", - "Turkey", - "UCT", - "US/Alaska", - "US/Aleutian", - "US/Arizona", - "US/Central", - "US/East-Indiana", - "US/Eastern", - "US/Hawaii", - "US/Indiana-Starke", - "US/Michigan", - "US/Mountain", - "US/Pacific", - "US/Samoa", - "UTC", - "Universal", - "W-SU", - "WET", - "Zulu", - nullptr}; - -// Helper to return a loaded time zone by value (UTC on error). -time_zone LoadZone(const std::string& name) { - time_zone tz; - load_time_zone(name, &tz); - return tz; -} - -// This helper is a macro so that failed expectations show up with the -// correct line numbers. -#define ExpectTime(tp, tz, y, m, d, hh, mm, ss, off, isdst, zone) \ - do { \ - time_zone::absolute_lookup al = tz.lookup(tp); \ - EXPECT_EQ(y, al.cs.year()); \ - EXPECT_EQ(m, al.cs.month()); \ - EXPECT_EQ(d, al.cs.day()); \ - EXPECT_EQ(hh, al.cs.hour()); \ - EXPECT_EQ(mm, al.cs.minute()); \ - EXPECT_EQ(ss, al.cs.second()); \ - EXPECT_EQ(off, al.offset); \ - EXPECT_TRUE(isdst == al.is_dst); \ - /* EXPECT_STREQ(zone, al.abbr); */ \ - } while (0) - -// These tests sometimes run on platforms that have zoneinfo data so old -// that the transition we are attempting to check does not exist, most -// notably Android emulators. Fortunately, AndroidZoneInfoSource supports -// time_zone::version() so, in cases where we've learned that it matters, -// we can make the check conditionally. -int VersionCmp(time_zone tz, const std::string& target) { - std::string version = tz.version(); - if (version.empty() && !target.empty()) return 1; // unknown > known - return version.compare(target); -} - -} // namespace - -#if !defined(__EMSCRIPTEN__) -TEST(TimeZones, LoadZonesConcurrently) { - std::promise<void> ready_promise; - std::shared_future<void> ready_future(ready_promise.get_future()); - auto load_zones = [ready_future](std::promise<void>* started, - std::set<std::string>* failures) { - started->set_value(); - ready_future.wait(); - for (const char* const* np = kTimeZoneNames; *np != nullptr; ++np) { - std::string zone = *np; - time_zone tz; - if (load_time_zone(zone, &tz)) { - EXPECT_EQ(zone, tz.name()); - } else { - failures->insert(zone); - } - } - }; - - const std::size_t n_threads = 128; - std::vector<std::thread> threads; - std::vector<std::set<std::string>> thread_failures(n_threads); - for (std::size_t i = 0; i != n_threads; ++i) { - std::promise<void> started; - threads.emplace_back(load_zones, &started, &thread_failures[i]); - started.get_future().wait(); - } - ready_promise.set_value(); - for (auto& thread : threads) { - thread.join(); - } - - // Allow a small number of failures to account for skew between - // the contents of kTimeZoneNames and the zoneinfo data source. -#if defined(__ANDROID__) - // Cater to the possibility of using an even older zoneinfo data - // source when running on Android, where it is difficult to override - // the bionic tzdata provided by the test environment. - const std::size_t max_failures = 20; -#else - const std::size_t max_failures = 3; -#endif - std::set<std::string> failures; - for (const auto& thread_failure : thread_failures) { - failures.insert(thread_failure.begin(), thread_failure.end()); - } - EXPECT_LE(failures.size(), max_failures) << testing::PrintToString(failures); -} -#endif - -TEST(TimeZone, NamedTimeZones) { - const time_zone utc = utc_time_zone(); - EXPECT_EQ("UTC", utc.name()); - const time_zone nyc = LoadZone("America/New_York"); - EXPECT_EQ("America/New_York", nyc.name()); - const time_zone syd = LoadZone("Australia/Sydney"); - EXPECT_EQ("Australia/Sydney", syd.name()); - const time_zone fixed0 = - fixed_time_zone(absl::time_internal::cctz::seconds::zero()); - EXPECT_EQ("UTC", fixed0.name()); - const time_zone fixed_pos = fixed_time_zone( - chrono::hours(3) + chrono::minutes(25) + chrono::seconds(45)); - EXPECT_EQ("Fixed/UTC+03:25:45", fixed_pos.name()); - const time_zone fixed_neg = fixed_time_zone( - -(chrono::hours(12) + chrono::minutes(34) + chrono::seconds(56))); - EXPECT_EQ("Fixed/UTC-12:34:56", fixed_neg.name()); -} - -TEST(TimeZone, Failures) { - time_zone tz; - EXPECT_FALSE(load_time_zone(":America/Los_Angeles", &tz)); - - tz = LoadZone("America/Los_Angeles"); - EXPECT_FALSE(load_time_zone("Invalid/TimeZone", &tz)); - EXPECT_EQ(chrono::system_clock::from_time_t(0), - convert(civil_second(1970, 1, 1, 0, 0, 0), tz)); // UTC - - // Ensures that the load still fails on a subsequent attempt. - tz = LoadZone("America/Los_Angeles"); - EXPECT_FALSE(load_time_zone("Invalid/TimeZone", &tz)); - EXPECT_EQ(chrono::system_clock::from_time_t(0), - convert(civil_second(1970, 1, 1, 0, 0, 0), tz)); // UTC - - // Loading an empty string timezone should fail. - tz = LoadZone("America/Los_Angeles"); - EXPECT_FALSE(load_time_zone("", &tz)); - EXPECT_EQ(chrono::system_clock::from_time_t(0), - convert(civil_second(1970, 1, 1, 0, 0, 0), tz)); // UTC -} - -TEST(TimeZone, Equality) { - const time_zone a; - const time_zone b; - EXPECT_EQ(a, b); - EXPECT_EQ(a.name(), b.name()); - - const time_zone implicit_utc; - const time_zone explicit_utc = utc_time_zone(); - EXPECT_EQ(implicit_utc, explicit_utc); - EXPECT_EQ(implicit_utc.name(), explicit_utc.name()); - - const time_zone fixed_zero = - fixed_time_zone(absl::time_internal::cctz::seconds::zero()); - EXPECT_EQ(fixed_zero, LoadZone(fixed_zero.name())); - EXPECT_EQ(fixed_zero, explicit_utc); - - const time_zone fixed_utc = LoadZone("Fixed/UTC+00:00:00"); - EXPECT_EQ(fixed_utc, LoadZone(fixed_utc.name())); - EXPECT_EQ(fixed_utc, explicit_utc); - - const time_zone fixed_pos = fixed_time_zone( - chrono::hours(3) + chrono::minutes(25) + chrono::seconds(45)); - EXPECT_EQ(fixed_pos, LoadZone(fixed_pos.name())); - EXPECT_NE(fixed_pos, explicit_utc); - const time_zone fixed_neg = fixed_time_zone( - -(chrono::hours(12) + chrono::minutes(34) + chrono::seconds(56))); - EXPECT_EQ(fixed_neg, LoadZone(fixed_neg.name())); - EXPECT_NE(fixed_neg, explicit_utc); - - const time_zone fixed_lim = fixed_time_zone(chrono::hours(24)); - EXPECT_EQ(fixed_lim, LoadZone(fixed_lim.name())); - EXPECT_NE(fixed_lim, explicit_utc); - const time_zone fixed_ovfl = - fixed_time_zone(chrono::hours(24) + chrono::seconds(1)); - EXPECT_EQ(fixed_ovfl, LoadZone(fixed_ovfl.name())); - EXPECT_EQ(fixed_ovfl, explicit_utc); - - EXPECT_EQ(fixed_time_zone(chrono::seconds(1)), - fixed_time_zone(chrono::seconds(1))); - - const time_zone local = local_time_zone(); - EXPECT_EQ(local, LoadZone(local.name())); - - time_zone la = LoadZone("America/Los_Angeles"); - time_zone nyc = LoadZone("America/New_York"); - EXPECT_NE(la, nyc); -} - -TEST(StdChronoTimePoint, TimeTAlignment) { - // Ensures that the Unix epoch and the system clock epoch are an integral - // number of seconds apart. This simplifies conversions to/from time_t. - auto diff = - chrono::system_clock::time_point() - chrono::system_clock::from_time_t(0); - EXPECT_EQ(chrono::system_clock::time_point::duration::zero(), - diff % chrono::seconds(1)); -} - -TEST(BreakTime, TimePointResolution) { - const time_zone utc = utc_time_zone(); - const auto t0 = chrono::system_clock::from_time_t(0); - - ExpectTime(chrono::time_point_cast<chrono::nanoseconds>(t0), utc, 1970, 1, 1, - 0, 0, 0, 0, false, "UTC"); - ExpectTime(chrono::time_point_cast<chrono::microseconds>(t0), utc, 1970, 1, 1, - 0, 0, 0, 0, false, "UTC"); - ExpectTime(chrono::time_point_cast<chrono::milliseconds>(t0), utc, 1970, 1, 1, - 0, 0, 0, 0, false, "UTC"); - ExpectTime(chrono::time_point_cast<chrono::seconds>(t0), utc, 1970, 1, 1, 0, - 0, 0, 0, false, "UTC"); - ExpectTime(chrono::time_point_cast<absl::time_internal::cctz::seconds>(t0), - utc, 1970, 1, 1, 0, 0, 0, 0, false, "UTC"); - ExpectTime(chrono::time_point_cast<chrono::minutes>(t0), utc, 1970, 1, 1, 0, - 0, 0, 0, false, "UTC"); - ExpectTime(chrono::time_point_cast<chrono::hours>(t0), utc, 1970, 1, 1, 0, 0, - 0, 0, false, "UTC"); -} - -TEST(BreakTime, LocalTimeInUTC) { - const time_zone tz = utc_time_zone(); - const auto tp = chrono::system_clock::from_time_t(0); - ExpectTime(tp, tz, 1970, 1, 1, 0, 0, 0, 0, false, "UTC"); - EXPECT_EQ(weekday::thursday, get_weekday(convert(tp, tz))); -} - -TEST(BreakTime, LocalTimeInUTCUnaligned) { - const time_zone tz = utc_time_zone(); - const auto tp = - chrono::system_clock::from_time_t(0) - chrono::milliseconds(500); - ExpectTime(tp, tz, 1969, 12, 31, 23, 59, 59, 0, false, "UTC"); - EXPECT_EQ(weekday::wednesday, get_weekday(convert(tp, tz))); -} - -TEST(BreakTime, LocalTimePosix) { - // See IEEE Std 1003.1-1988 B.2.3 General Terms, Epoch. - const time_zone tz = utc_time_zone(); - const auto tp = chrono::system_clock::from_time_t(536457599); - ExpectTime(tp, tz, 1986, 12, 31, 23, 59, 59, 0, false, "UTC"); - EXPECT_EQ(weekday::wednesday, get_weekday(convert(tp, tz))); -} - -TEST(TimeZoneImpl, LocalTimeInFixed) { - const absl::time_internal::cctz::seconds offset = - -(chrono::hours(8) + chrono::minutes(33) + chrono::seconds(47)); - const time_zone tz = fixed_time_zone(offset); - const auto tp = chrono::system_clock::from_time_t(0); - ExpectTime(tp, tz, 1969, 12, 31, 15, 26, 13, offset.count(), false, - "-083347"); - EXPECT_EQ(weekday::wednesday, get_weekday(convert(tp, tz))); -} - -TEST(BreakTime, LocalTimeInNewYork) { - const time_zone tz = LoadZone("America/New_York"); - const auto tp = chrono::system_clock::from_time_t(45); - ExpectTime(tp, tz, 1969, 12, 31, 19, 0, 45, -5 * 60 * 60, false, "EST"); - EXPECT_EQ(weekday::wednesday, get_weekday(convert(tp, tz))); -} - -TEST(BreakTime, LocalTimeInMTV) { - const time_zone tz = LoadZone("America/Los_Angeles"); - const auto tp = chrono::system_clock::from_time_t(1380855729); - ExpectTime(tp, tz, 2013, 10, 3, 20, 2, 9, -7 * 60 * 60, true, "PDT"); - EXPECT_EQ(weekday::thursday, get_weekday(convert(tp, tz))); -} - -TEST(BreakTime, LocalTimeInSydney) { - const time_zone tz = LoadZone("Australia/Sydney"); - const auto tp = chrono::system_clock::from_time_t(90); - ExpectTime(tp, tz, 1970, 1, 1, 10, 1, 30, 10 * 60 * 60, false, "AEST"); - EXPECT_EQ(weekday::thursday, get_weekday(convert(tp, tz))); -} - -TEST(MakeTime, TimePointResolution) { - const time_zone utc = utc_time_zone(); - const time_point<chrono::nanoseconds> tp_ns = - convert(civil_second(2015, 1, 2, 3, 4, 5), utc); - EXPECT_EQ("04:05", format("%M:%E*S", tp_ns, utc)); - const time_point<chrono::microseconds> tp_us = - convert(civil_second(2015, 1, 2, 3, 4, 5), utc); - EXPECT_EQ("04:05", format("%M:%E*S", tp_us, utc)); - const time_point<chrono::milliseconds> tp_ms = - convert(civil_second(2015, 1, 2, 3, 4, 5), utc); - EXPECT_EQ("04:05", format("%M:%E*S", tp_ms, utc)); - const time_point<chrono::seconds> tp_s = - convert(civil_second(2015, 1, 2, 3, 4, 5), utc); - EXPECT_EQ("04:05", format("%M:%E*S", tp_s, utc)); - const time_point<absl::time_internal::cctz::seconds> tp_s64 = - convert(civil_second(2015, 1, 2, 3, 4, 5), utc); - EXPECT_EQ("04:05", format("%M:%E*S", tp_s64, utc)); - - // These next two require chrono::time_point_cast because the conversion - // from a resolution of seconds (the return value of convert()) to a - // coarser resolution requires an explicit cast. - const time_point<chrono::minutes> tp_m = - chrono::time_point_cast<chrono::minutes>( - convert(civil_second(2015, 1, 2, 3, 4, 5), utc)); - EXPECT_EQ("04:00", format("%M:%E*S", tp_m, utc)); - const time_point<chrono::hours> tp_h = chrono::time_point_cast<chrono::hours>( - convert(civil_second(2015, 1, 2, 3, 4, 5), utc)); - EXPECT_EQ("00:00", format("%M:%E*S", tp_h, utc)); -} - -TEST(MakeTime, Normalization) { - const time_zone tz = LoadZone("America/New_York"); - const auto tp = convert(civil_second(2009, 2, 13, 18, 31, 30), tz); - EXPECT_EQ(chrono::system_clock::from_time_t(1234567890), tp); - - // Now requests for the same time_point but with out-of-range fields. - EXPECT_EQ(tp, convert(civil_second(2008, 14, 13, 18, 31, 30), tz)); // month - EXPECT_EQ(tp, convert(civil_second(2009, 1, 44, 18, 31, 30), tz)); // day - EXPECT_EQ(tp, convert(civil_second(2009, 2, 12, 42, 31, 30), tz)); // hour - EXPECT_EQ(tp, convert(civil_second(2009, 2, 13, 17, 91, 30), tz)); // minute - EXPECT_EQ(tp, convert(civil_second(2009, 2, 13, 18, 30, 90), tz)); // second -} - -// NOTE: Run this with -ftrapv to detect overflow problems. -TEST(MakeTime, SysSecondsLimits) { - const char RFC3339[] = "%Y-%m-%d%ET%H:%M:%S%Ez"; - const time_zone utc = utc_time_zone(); - const time_zone east = fixed_time_zone(chrono::hours(14)); - const time_zone west = fixed_time_zone(-chrono::hours(14)); - time_point<absl::time_internal::cctz::seconds> tp; - - // Approach the maximal time_point<cctz::seconds> value from below. - tp = convert(civil_second(292277026596, 12, 4, 15, 30, 6), utc); - EXPECT_EQ("292277026596-12-04T15:30:06+00:00", format(RFC3339, tp, utc)); - tp = convert(civil_second(292277026596, 12, 4, 15, 30, 7), utc); - EXPECT_EQ("292277026596-12-04T15:30:07+00:00", format(RFC3339, tp, utc)); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - tp = convert(civil_second(292277026596, 12, 4, 15, 30, 8), utc); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - tp = convert(civil_second::max(), utc); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - - // Checks that we can also get the maximal value for a far-east zone. - tp = convert(civil_second(292277026596, 12, 5, 5, 30, 7), east); - EXPECT_EQ("292277026596-12-05T05:30:07+14:00", format(RFC3339, tp, east)); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - tp = convert(civil_second(292277026596, 12, 5, 5, 30, 8), east); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - tp = convert(civil_second::max(), east); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - - // Checks that we can also get the maximal value for a far-west zone. - tp = convert(civil_second(292277026596, 12, 4, 1, 30, 7), west); - EXPECT_EQ("292277026596-12-04T01:30:07-14:00", format(RFC3339, tp, west)); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - tp = convert(civil_second(292277026596, 12, 4, 7, 30, 8), west); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - tp = convert(civil_second::max(), west); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::max(), tp); - - // Approach the minimal time_point<cctz::seconds> value from above. - tp = convert(civil_second(-292277022657, 1, 27, 8, 29, 53), utc); - EXPECT_EQ("-292277022657-01-27T08:29:53+00:00", format(RFC3339, tp, utc)); - tp = convert(civil_second(-292277022657, 1, 27, 8, 29, 52), utc); - EXPECT_EQ("-292277022657-01-27T08:29:52+00:00", format(RFC3339, tp, utc)); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - tp = convert(civil_second(-292277022657, 1, 27, 8, 29, 51), utc); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - tp = convert(civil_second::min(), utc); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - - // Checks that we can also get the minimal value for a far-east zone. - tp = convert(civil_second(-292277022657, 1, 27, 22, 29, 52), east); - EXPECT_EQ("-292277022657-01-27T22:29:52+14:00", format(RFC3339, tp, east)); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - tp = convert(civil_second(-292277022657, 1, 27, 22, 29, 51), east); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - tp = convert(civil_second::min(), east); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - - // Checks that we can also get the minimal value for a far-west zone. - tp = convert(civil_second(-292277022657, 1, 26, 18, 29, 52), west); - EXPECT_EQ("-292277022657-01-26T18:29:52-14:00", format(RFC3339, tp, west)); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - tp = convert(civil_second(-292277022657, 1, 26, 18, 29, 51), west); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - tp = convert(civil_second::min(), west); - EXPECT_EQ(time_point<absl::time_internal::cctz::seconds>::min(), tp); - - // Some similar checks for the "libc" time-zone implementation. - if (sizeof(std::time_t) >= 8) { - // Checks that "tm_year + 1900", as used by the "libc" implementation, - // can produce year values beyond the range on an int without overflow. -#if defined(_WIN32) || defined(_WIN64) - // localtime_s() and gmtime_s() don't believe in years outside [1970:3000]. -#else - const time_zone utc = LoadZone("libc:UTC"); - const year_t max_tm_year = year_t{std::numeric_limits<int>::max()} + 1900; - tp = convert(civil_second(max_tm_year, 12, 31, 23, 59, 59), utc); - EXPECT_EQ("2147485547-12-31T23:59:59+00:00", format(RFC3339, tp, utc)); - const year_t min_tm_year = year_t{std::numeric_limits<int>::min()} + 1900; - tp = convert(civil_second(min_tm_year, 1, 1, 0, 0, 0), utc); - EXPECT_EQ("-2147481748-01-01T00:00:00+00:00", format(RFC3339, tp, utc)); -#endif - } -} - -TEST(MakeTime, LocalTimeLibC) { - // Checks that cctz and libc agree on transition points in [1970:2037]. - // - // We limit this test case to environments where: - // 1) we know how to change the time zone used by localtime()/mktime(), - // 2) cctz and localtime()/mktime() will use similar-enough tzdata, and - // 3) we have some idea about how mktime() behaves during transitions. -#if defined(__linux__) && !defined(__ANDROID__) - const char* const ep = getenv("TZ"); - std::string tz_name = (ep != nullptr) ? ep : ""; - for (const char* const* np = kTimeZoneNames; *np != nullptr; ++np) { - ASSERT_EQ(0, setenv("TZ", *np, 1)); // change what "localtime" means - const auto zi = local_time_zone(); - const auto lc = LoadZone("libc:localtime"); - time_zone::civil_transition transition; - for (auto tp = zi.lookup(civil_second()).trans; - zi.next_transition(tp, &transition); - tp = zi.lookup(transition.to).trans) { - const auto fcl = zi.lookup(transition.from); - const auto tcl = zi.lookup(transition.to); - civil_second cs; // compare cs in zi and lc - if (fcl.kind == time_zone::civil_lookup::UNIQUE) { - if (tcl.kind == time_zone::civil_lookup::UNIQUE) { - // Both unique; must be an is_dst or abbr change. - ASSERT_EQ(transition.from, transition.to); - const auto trans = fcl.trans; - const auto tal = zi.lookup(trans); - const auto tprev = trans - absl::time_internal::cctz::seconds(1); - const auto pal = zi.lookup(tprev); - if (pal.is_dst == tal.is_dst) { - ASSERT_STRNE(pal.abbr, tal.abbr); - } - continue; - } - ASSERT_EQ(time_zone::civil_lookup::REPEATED, tcl.kind); - cs = transition.to; - } else { - ASSERT_EQ(time_zone::civil_lookup::UNIQUE, tcl.kind); - ASSERT_EQ(time_zone::civil_lookup::SKIPPED, fcl.kind); - cs = transition.from; - } - if (cs.year() > 2037) break; // limit test time (and to 32-bit time_t) - const auto cl_zi = zi.lookup(cs); - if (zi.lookup(cl_zi.pre).is_dst == zi.lookup(cl_zi.post).is_dst) { - // The "libc" implementation cannot correctly classify transitions - // that don't change the "tm_isdst" flag. In Europe/Volgograd, for - // example, there is a SKIPPED transition from +03 to +04 with dst=F - // on both sides ... - // 1540681199 = 2018-10-28 01:59:59 +03:00:00 [dst=F off=10800] - // 1540681200 = 2018-10-28 03:00:00 +04:00:00 [dst=F off=14400] - // but std::mktime(2018-10-28 02:00:00, tm_isdst=0) fails, unlike, - // say, the similar Europe/Chisinau transition from +02 to +03 ... - // 1521935999 = 2018-03-25 01:59:59 +02:00:00 [dst=F off=7200] - // 1521936000 = 2018-03-25 03:00:00 +03:00:00 [dst=T off=10800] - // where std::mktime(2018-03-25 02:00:00, tm_isdst=0) succeeds and - // returns 1521936000. - continue; - } - if (cs == civil_second(2037, 10, 4, 2, 0, 0)) { - const std::string tzname = *np; - if (tzname == "Africa/Casablanca" || tzname == "Africa/El_Aaiun") { - // The "libc" implementation gets this transition wrong (at least - // until 2018g when it was removed), returning an offset of 3600 - // instead of 0. TODO: Revert this when 2018g is ubiquitous. - continue; - } - } - const auto cl_lc = lc.lookup(cs); - SCOPED_TRACE(testing::Message() << "For " << cs << " in " << *np); - EXPECT_EQ(cl_zi.kind, cl_lc.kind); - EXPECT_EQ(cl_zi.pre, cl_lc.pre); - EXPECT_EQ(cl_zi.trans, cl_lc.trans); - EXPECT_EQ(cl_zi.post, cl_lc.post); - } - } - if (ep == nullptr) { - ASSERT_EQ(0, unsetenv("TZ")); - } else { - ASSERT_EQ(0, setenv("TZ", tz_name.c_str(), 1)); - } -#endif -} - -TEST(NextTransition, UTC) { - const auto tz = utc_time_zone(); - time_zone::civil_transition trans; - - auto tp = time_point<absl::time_internal::cctz::seconds>::min(); - EXPECT_FALSE(tz.next_transition(tp, &trans)); - - tp = time_point<absl::time_internal::cctz::seconds>::max(); - EXPECT_FALSE(tz.next_transition(tp, &trans)); -} - -TEST(PrevTransition, UTC) { - const auto tz = utc_time_zone(); - time_zone::civil_transition trans; - - auto tp = time_point<absl::time_internal::cctz::seconds>::max(); - EXPECT_FALSE(tz.prev_transition(tp, &trans)); - - tp = time_point<absl::time_internal::cctz::seconds>::min(); - EXPECT_FALSE(tz.prev_transition(tp, &trans)); -} - -TEST(NextTransition, AmericaNewYork) { - const auto tz = LoadZone("America/New_York"); - time_zone::civil_transition trans; - - auto tp = convert(civil_second(2018, 6, 30, 0, 0, 0), tz); - EXPECT_TRUE(tz.next_transition(tp, &trans)); - EXPECT_EQ(civil_second(2018, 11, 4, 2, 0, 0), trans.from); - EXPECT_EQ(civil_second(2018, 11, 4, 1, 0, 0), trans.to); - - tp = time_point<absl::time_internal::cctz::seconds>::max(); - EXPECT_FALSE(tz.next_transition(tp, &trans)); - - tp = time_point<absl::time_internal::cctz::seconds>::min(); - EXPECT_TRUE(tz.next_transition(tp, &trans)); - if (trans.from == civil_second(1918, 3, 31, 2, 0, 0)) { - // It looks like the tzdata is only 32 bit (probably macOS), - // which bottoms out at 1901-12-13T20:45:52+00:00. - EXPECT_EQ(civil_second(1918, 3, 31, 3, 0, 0), trans.to); - } else { - EXPECT_EQ(civil_second(1883, 11, 18, 12, 3, 58), trans.from); - EXPECT_EQ(civil_second(1883, 11, 18, 12, 0, 0), trans.to); - } -} - -TEST(PrevTransition, AmericaNewYork) { - const auto tz = LoadZone("America/New_York"); - time_zone::civil_transition trans; - - auto tp = convert(civil_second(2018, 6, 30, 0, 0, 0), tz); - EXPECT_TRUE(tz.prev_transition(tp, &trans)); - EXPECT_EQ(civil_second(2018, 3, 11, 2, 0, 0), trans.from); - EXPECT_EQ(civil_second(2018, 3, 11, 3, 0, 0), trans.to); - - tp = time_point<absl::time_internal::cctz::seconds>::min(); - EXPECT_FALSE(tz.prev_transition(tp, &trans)); - - tp = time_point<absl::time_internal::cctz::seconds>::max(); - EXPECT_TRUE(tz.prev_transition(tp, &trans)); - // We have a transition but we don't know which one. -} - -TEST(TimeZoneEdgeCase, AmericaNewYork) { - const time_zone tz = LoadZone("America/New_York"); - - // Spring 1:59:59 -> 3:00:00 - auto tp = convert(civil_second(2013, 3, 10, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 3, 10, 1, 59, 59, -5 * 3600, false, "EST"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 3, 10, 3, 0, 0, -4 * 3600, true, "EDT"); - - // Fall 1:59:59 -> 1:00:00 - tp = convert(civil_second(2013, 11, 3, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 11, 3, 1, 59, 59, -4 * 3600, true, "EDT"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 11, 3, 1, 0, 0, -5 * 3600, false, "EST"); -} - -TEST(TimeZoneEdgeCase, AmericaLosAngeles) { - const time_zone tz = LoadZone("America/Los_Angeles"); - - // Spring 1:59:59 -> 3:00:00 - auto tp = convert(civil_second(2013, 3, 10, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 3, 10, 1, 59, 59, -8 * 3600, false, "PST"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 3, 10, 3, 0, 0, -7 * 3600, true, "PDT"); - - // Fall 1:59:59 -> 1:00:00 - tp = convert(civil_second(2013, 11, 3, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 11, 3, 1, 59, 59, -7 * 3600, true, "PDT"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 11, 3, 1, 0, 0, -8 * 3600, false, "PST"); -} - -TEST(TimeZoneEdgeCase, ArizonaNoTransition) { - const time_zone tz = LoadZone("America/Phoenix"); - - // No transition in Spring. - auto tp = convert(civil_second(2013, 3, 10, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 3, 10, 1, 59, 59, -7 * 3600, false, "MST"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 3, 10, 2, 0, 0, -7 * 3600, false, "MST"); - - // No transition in Fall. - tp = convert(civil_second(2013, 11, 3, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 11, 3, 1, 59, 59, -7 * 3600, false, "MST"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 11, 3, 2, 0, 0, -7 * 3600, false, "MST"); -} - -TEST(TimeZoneEdgeCase, AsiaKathmandu) { - const time_zone tz = LoadZone("Asia/Kathmandu"); - - // A non-DST offset change from +0530 to +0545 - // - // 504901799 == Tue, 31 Dec 1985 23:59:59 +0530 (+0530) - // 504901800 == Wed, 1 Jan 1986 00:15:00 +0545 (+0545) - auto tp = convert(civil_second(1985, 12, 31, 23, 59, 59), tz); - ExpectTime(tp, tz, 1985, 12, 31, 23, 59, 59, 5.5 * 3600, false, "+0530"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 1986, 1, 1, 0, 15, 0, 5.75 * 3600, false, "+0545"); -} - -TEST(TimeZoneEdgeCase, PacificChatham) { - const time_zone tz = LoadZone("Pacific/Chatham"); - - // One-hour DST offset changes, but at atypical values - // - // 1365256799 == Sun, 7 Apr 2013 03:44:59 +1345 (+1345) - // 1365256800 == Sun, 7 Apr 2013 02:45:00 +1245 (+1245) - auto tp = convert(civil_second(2013, 4, 7, 3, 44, 59), tz); - ExpectTime(tp, tz, 2013, 4, 7, 3, 44, 59, 13.75 * 3600, true, "+1345"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 4, 7, 2, 45, 0, 12.75 * 3600, false, "+1245"); - - // 1380376799 == Sun, 29 Sep 2013 02:44:59 +1245 (+1245) - // 1380376800 == Sun, 29 Sep 2013 03:45:00 +1345 (+1345) - tp = convert(civil_second(2013, 9, 29, 2, 44, 59), tz); - ExpectTime(tp, tz, 2013, 9, 29, 2, 44, 59, 12.75 * 3600, false, "+1245"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 9, 29, 3, 45, 0, 13.75 * 3600, true, "+1345"); -} - -TEST(TimeZoneEdgeCase, AustraliaLordHowe) { - const time_zone tz = LoadZone("Australia/Lord_Howe"); - - // Half-hour DST offset changes - // - // 1365260399 == Sun, 7 Apr 2013 01:59:59 +1100 (+11) - // 1365260400 == Sun, 7 Apr 2013 01:30:00 +1030 (+1030) - auto tp = convert(civil_second(2013, 4, 7, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 4, 7, 1, 59, 59, 11 * 3600, true, "+11"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 4, 7, 1, 30, 0, 10.5 * 3600, false, "+1030"); - - // 1380986999 == Sun, 6 Oct 2013 01:59:59 +1030 (+1030) - // 1380987000 == Sun, 6 Oct 2013 02:30:00 +1100 (+11) - tp = convert(civil_second(2013, 10, 6, 1, 59, 59), tz); - ExpectTime(tp, tz, 2013, 10, 6, 1, 59, 59, 10.5 * 3600, false, "+1030"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2013, 10, 6, 2, 30, 0, 11 * 3600, true, "+11"); -} - -TEST(TimeZoneEdgeCase, PacificApia) { - const time_zone tz = LoadZone("Pacific/Apia"); - - // At the end of December 2011, Samoa jumped forward by one day, - // skipping 30 December from the local calendar, when the nation - // moved to the west of the International Date Line. - // - // A one-day, non-DST offset change - // - // 1325239199 == Thu, 29 Dec 2011 23:59:59 -1000 (-10) - // 1325239200 == Sat, 31 Dec 2011 00:00:00 +1400 (+14) - auto tp = convert(civil_second(2011, 12, 29, 23, 59, 59), tz); - ExpectTime(tp, tz, 2011, 12, 29, 23, 59, 59, -10 * 3600, true, "-10"); - EXPECT_EQ(363, get_yearday(convert(tp, tz))); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2011, 12, 31, 0, 0, 0, 14 * 3600, true, "+14"); - EXPECT_EQ(365, get_yearday(convert(tp, tz))); -} - -TEST(TimeZoneEdgeCase, AfricaCairo) { - const time_zone tz = LoadZone("Africa/Cairo"); - - if (VersionCmp(tz, "2014c") >= 0) { - // An interesting case of midnight not existing. - // - // 1400191199 == Thu, 15 May 2014 23:59:59 +0200 (EET) - // 1400191200 == Fri, 16 May 2014 01:00:00 +0300 (EEST) - auto tp = convert(civil_second(2014, 5, 15, 23, 59, 59), tz); - ExpectTime(tp, tz, 2014, 5, 15, 23, 59, 59, 2 * 3600, false, "EET"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2014, 5, 16, 1, 0, 0, 3 * 3600, true, "EEST"); - } -} - -TEST(TimeZoneEdgeCase, AfricaMonrovia) { - const time_zone tz = LoadZone("Africa/Monrovia"); - - if (VersionCmp(tz, "2017b") >= 0) { - // Strange offset change -00:44:30 -> +00:00:00 (non-DST) - // - // 63593069 == Thu, 6 Jan 1972 23:59:59 -0044 (MMT) - // 63593070 == Fri, 7 Jan 1972 00:44:30 +0000 (GMT) - auto tp = convert(civil_second(1972, 1, 6, 23, 59, 59), tz); - ExpectTime(tp, tz, 1972, 1, 6, 23, 59, 59, -44.5 * 60, false, "MMT"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 1972, 1, 7, 0, 44, 30, 0 * 60, false, "GMT"); - } -} - -TEST(TimeZoneEdgeCase, AmericaJamaica) { - // Jamaica discontinued DST transitions in 1983, and is now at a - // constant -0500. This makes it an interesting edge-case target. - // Note that the 32-bit times used in a (tzh_version == 0) zoneinfo - // file cannot represent the abbreviation-only transition of 1890, - // so we ignore the abbreviation by expecting what we received. - const time_zone tz = LoadZone("America/Jamaica"); - - // Before the first transition. - if (!tz.version().empty() && VersionCmp(tz, "2018d") >= 0) { - // We avoid the expectations on the -18430 offset below unless we are - // certain we have commit 907241e (Fix off-by-1 error for Jamaica and - // T&C before 1913) from 2018d. TODO: Remove the "version() not empty" - // part when 2018d is generally available from /usr/share/zoneinfo. - auto tp = convert(civil_second(1889, 12, 31, 0, 0, 0), tz); - ExpectTime(tp, tz, 1889, 12, 31, 0, 0, 0, -18430, false, - tz.lookup(tp).abbr); - - // Over the first (abbreviation-change only) transition. - // -2524503170 == Tue, 31 Dec 1889 23:59:59 -0507 (LMT) - // -2524503169 == Wed, 1 Jan 1890 00:00:00 -0507 (KMT) - tp = convert(civil_second(1889, 12, 31, 23, 59, 59), tz); - ExpectTime(tp, tz, 1889, 12, 31, 23, 59, 59, -18430, false, - tz.lookup(tp).abbr); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 1890, 1, 1, 0, 0, 0, -18430, false, "KMT"); - } - - // Over the last (DST) transition. - // 436341599 == Sun, 30 Oct 1983 01:59:59 -0400 (EDT) - // 436341600 == Sun, 30 Oct 1983 01:00:00 -0500 (EST) - auto tp = convert(civil_second(1983, 10, 30, 1, 59, 59), tz); - ExpectTime(tp, tz, 1983, 10, 30, 1, 59, 59, -4 * 3600, true, "EDT"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 1983, 10, 30, 1, 0, 0, -5 * 3600, false, "EST"); - - // After the last transition. - tp = convert(civil_second(1983, 12, 31, 23, 59, 59), tz); - ExpectTime(tp, tz, 1983, 12, 31, 23, 59, 59, -5 * 3600, false, "EST"); -} - -TEST(TimeZoneEdgeCase, WET) { - // Cover some non-existent times within forward transitions. - const time_zone tz = LoadZone("WET"); - - // Before the first transition. - auto tp = convert(civil_second(1977, 1, 1, 0, 0, 0), tz); - ExpectTime(tp, tz, 1977, 1, 1, 0, 0, 0, 0, false, "WET"); - - // Over the first transition. - // 228877199 == Sun, 3 Apr 1977 00:59:59 +0000 (WET) - // 228877200 == Sun, 3 Apr 1977 02:00:00 +0100 (WEST) - tp = convert(civil_second(1977, 4, 3, 0, 59, 59), tz); - ExpectTime(tp, tz, 1977, 4, 3, 0, 59, 59, 0, false, "WET"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 1977, 4, 3, 2, 0, 0, 1 * 3600, true, "WEST"); - - // A non-existent time within the first transition. - time_zone::civil_lookup cl1 = tz.lookup(civil_second(1977, 4, 3, 1, 15, 0)); - EXPECT_EQ(time_zone::civil_lookup::SKIPPED, cl1.kind); - ExpectTime(cl1.pre, tz, 1977, 4, 3, 2, 15, 0, 1 * 3600, true, "WEST"); - ExpectTime(cl1.trans, tz, 1977, 4, 3, 2, 0, 0, 1 * 3600, true, "WEST"); - ExpectTime(cl1.post, tz, 1977, 4, 3, 0, 15, 0, 0 * 3600, false, "WET"); - - // A non-existent time within the second forward transition. - time_zone::civil_lookup cl2 = tz.lookup(civil_second(1978, 4, 2, 1, 15, 0)); - EXPECT_EQ(time_zone::civil_lookup::SKIPPED, cl2.kind); - ExpectTime(cl2.pre, tz, 1978, 4, 2, 2, 15, 0, 1 * 3600, true, "WEST"); - ExpectTime(cl2.trans, tz, 1978, 4, 2, 2, 0, 0, 1 * 3600, true, "WEST"); - ExpectTime(cl2.post, tz, 1978, 4, 2, 0, 15, 0, 0 * 3600, false, "WET"); -} - -TEST(TimeZoneEdgeCase, FixedOffsets) { - const time_zone gmtm5 = LoadZone("Etc/GMT+5"); // -0500 - auto tp = convert(civil_second(1970, 1, 1, 0, 0, 0), gmtm5); - ExpectTime(tp, gmtm5, 1970, 1, 1, 0, 0, 0, -5 * 3600, false, "-05"); - EXPECT_EQ(chrono::system_clock::from_time_t(5 * 3600), tp); - - const time_zone gmtp5 = LoadZone("Etc/GMT-5"); // +0500 - tp = convert(civil_second(1970, 1, 1, 0, 0, 0), gmtp5); - ExpectTime(tp, gmtp5, 1970, 1, 1, 0, 0, 0, 5 * 3600, false, "+05"); - EXPECT_EQ(chrono::system_clock::from_time_t(-5 * 3600), tp); -} - -TEST(TimeZoneEdgeCase, NegativeYear) { - // Tests transition from year 0 (aka 1BCE) to year -1. - const time_zone tz = utc_time_zone(); - auto tp = convert(civil_second(0, 1, 1, 0, 0, 0), tz); - ExpectTime(tp, tz, 0, 1, 1, 0, 0, 0, 0 * 3600, false, "UTC"); - EXPECT_EQ(weekday::saturday, get_weekday(convert(tp, tz))); - tp -= absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, -1, 12, 31, 23, 59, 59, 0 * 3600, false, "UTC"); - EXPECT_EQ(weekday::friday, get_weekday(convert(tp, tz))); -} - -TEST(TimeZoneEdgeCase, UTC32bitLimit) { - const time_zone tz = utc_time_zone(); - - // Limits of signed 32-bit time_t - // - // 2147483647 == Tue, 19 Jan 2038 03:14:07 +0000 (UTC) - // 2147483648 == Tue, 19 Jan 2038 03:14:08 +0000 (UTC) - auto tp = convert(civil_second(2038, 1, 19, 3, 14, 7), tz); - ExpectTime(tp, tz, 2038, 1, 19, 3, 14, 7, 0 * 3600, false, "UTC"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 2038, 1, 19, 3, 14, 8, 0 * 3600, false, "UTC"); -} - -TEST(TimeZoneEdgeCase, UTC5DigitYear) { - const time_zone tz = utc_time_zone(); - - // Rollover to 5-digit year - // - // 253402300799 == Fri, 31 Dec 9999 23:59:59 +0000 (UTC) - // 253402300800 == Sat, 1 Jan 1000 00:00:00 +0000 (UTC) - auto tp = convert(civil_second(9999, 12, 31, 23, 59, 59), tz); - ExpectTime(tp, tz, 9999, 12, 31, 23, 59, 59, 0 * 3600, false, "UTC"); - tp += absl::time_internal::cctz::seconds(1); - ExpectTime(tp, tz, 10000, 1, 1, 0, 0, 0, 0 * 3600, false, "UTC"); -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_posix.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_posix.cc deleted file mode 100644 index 5cdd09e89d..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_posix.cc +++ /dev/null @@ -1,159 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "time_zone_posix.h" - -#include <cstddef> -#include <cstring> -#include <limits> -#include <string> - -#include "absl/base/config.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -namespace { - -const char kDigits[] = "0123456789"; - -const char* ParseInt(const char* p, int min, int max, int* vp) { - int value = 0; - const char* op = p; - const int kMaxInt = std::numeric_limits<int>::max(); - for (; const char* dp = strchr(kDigits, *p); ++p) { - int d = static_cast<int>(dp - kDigits); - if (d >= 10) break; // '\0' - if (value > kMaxInt / 10) return nullptr; - value *= 10; - if (value > kMaxInt - d) return nullptr; - value += d; - } - if (p == op || value < min || value > max) return nullptr; - *vp = value; - return p; -} - -// abbr = <.*?> | [^-+,\d]{3,} -const char* ParseAbbr(const char* p, std::string* abbr) { - const char* op = p; - if (*p == '<') { // special zoneinfo <...> form - while (*++p != '>') { - if (*p == '\0') return nullptr; - } - abbr->assign(op + 1, static_cast<std::size_t>(p - op) - 1); - return ++p; - } - while (*p != '\0') { - if (strchr("-+,", *p)) break; - if (strchr(kDigits, *p)) break; - ++p; - } - if (p - op < 3) return nullptr; - abbr->assign(op, static_cast<std::size_t>(p - op)); - return p; -} - -// offset = [+|-]hh[:mm[:ss]] (aggregated into single seconds value) -const char* ParseOffset(const char* p, int min_hour, int max_hour, int sign, - std::int_fast32_t* offset) { - if (p == nullptr) return nullptr; - if (*p == '+' || *p == '-') { - if (*p++ == '-') sign = -sign; - } - int hours = 0; - int minutes = 0; - int seconds = 0; - - p = ParseInt(p, min_hour, max_hour, &hours); - if (p == nullptr) return nullptr; - if (*p == ':') { - p = ParseInt(p + 1, 0, 59, &minutes); - if (p == nullptr) return nullptr; - if (*p == ':') { - p = ParseInt(p + 1, 0, 59, &seconds); - if (p == nullptr) return nullptr; - } - } - *offset = sign * ((((hours * 60) + minutes) * 60) + seconds); - return p; -} - -// datetime = ( Jn | n | Mm.w.d ) [ / offset ] -const char* ParseDateTime(const char* p, PosixTransition* res) { - if (p != nullptr && *p == ',') { - if (*++p == 'M') { - int month = 0; - if ((p = ParseInt(p + 1, 1, 12, &month)) != nullptr && *p == '.') { - int week = 0; - if ((p = ParseInt(p + 1, 1, 5, &week)) != nullptr && *p == '.') { - int weekday = 0; - if ((p = ParseInt(p + 1, 0, 6, &weekday)) != nullptr) { - res->date.fmt = PosixTransition::M; - res->date.m.month = static_cast<std::int_fast8_t>(month); - res->date.m.week = static_cast<std::int_fast8_t>(week); - res->date.m.weekday = static_cast<std::int_fast8_t>(weekday); - } - } - } - } else if (*p == 'J') { - int day = 0; - if ((p = ParseInt(p + 1, 1, 365, &day)) != nullptr) { - res->date.fmt = PosixTransition::J; - res->date.j.day = static_cast<std::int_fast16_t>(day); - } - } else { - int day = 0; - if ((p = ParseInt(p, 0, 365, &day)) != nullptr) { - res->date.fmt = PosixTransition::N; - res->date.n.day = static_cast<std::int_fast16_t>(day); - } - } - } - if (p != nullptr) { - res->time.offset = 2 * 60 * 60; // default offset is 02:00:00 - if (*p == '/') p = ParseOffset(p + 1, -167, 167, 1, &res->time.offset); - } - return p; -} - -} // namespace - -// spec = std offset [ dst [ offset ] , datetime , datetime ] -bool ParsePosixSpec(const std::string& spec, PosixTimeZone* res) { - const char* p = spec.c_str(); - if (*p == ':') return false; - - p = ParseAbbr(p, &res->std_abbr); - p = ParseOffset(p, 0, 24, -1, &res->std_offset); - if (p == nullptr) return false; - if (*p == '\0') return true; - - p = ParseAbbr(p, &res->dst_abbr); - if (p == nullptr) return false; - res->dst_offset = res->std_offset + (60 * 60); // default - if (*p != ',') p = ParseOffset(p, 0, 24, -1, &res->dst_offset); - - p = ParseDateTime(p, &res->dst_start); - p = ParseDateTime(p, &res->dst_end); - - return p != nullptr && *p == '\0'; -} - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_posix.h b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_posix.h deleted file mode 100644 index 0cf29055f5..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_posix.h +++ /dev/null @@ -1,132 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Parsing of a POSIX zone spec as described in the TZ part of section 8.3 in -// http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html. -// -// The current POSIX spec for America/Los_Angeles is "PST8PDT,M3.2.0,M11.1.0", -// which would be broken down as ... -// -// PosixTimeZone { -// std_abbr = "PST" -// std_offset = -28800 -// dst_abbr = "PDT" -// dst_offset = -25200 -// dst_start = PosixTransition { -// date { -// m { -// month = 3 -// week = 2 -// weekday = 0 -// } -// } -// time { -// offset = 7200 -// } -// } -// dst_end = PosixTransition { -// date { -// m { -// month = 11 -// week = 1 -// weekday = 0 -// } -// } -// time { -// offset = 7200 -// } -// } -// } - -#ifndef ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_POSIX_H_ -#define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_POSIX_H_ - -#include <cstdint> -#include <string> - -#include "absl/base/config.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -// The date/time of the transition. The date is specified as either: -// (J) the Nth day of the year (1 <= N <= 365), excluding leap days, or -// (N) the Nth day of the year (0 <= N <= 365), including leap days, or -// (M) the Nth weekday of a month (e.g., the 2nd Sunday in March). -// The time, specified as a day offset, identifies the particular moment -// of the transition, and may be negative or >= 24h, and in which case -// it would take us to another day, and perhaps week, or even month. -struct PosixTransition { - enum DateFormat { J, N, M }; - - struct Date { - struct NonLeapDay { - std::int_fast16_t day; // day of non-leap year [1:365] - }; - struct Day { - std::int_fast16_t day; // day of year [0:365] - }; - struct MonthWeekWeekday { - std::int_fast8_t month; // month of year [1:12] - std::int_fast8_t week; // week of month [1:5] (5==last) - std::int_fast8_t weekday; // 0==Sun, ..., 6=Sat - }; - - DateFormat fmt; - - union { - NonLeapDay j; - Day n; - MonthWeekWeekday m; - }; - }; - - struct Time { - std::int_fast32_t offset; // seconds before/after 00:00:00 - }; - - Date date; - Time time; -}; - -// The entirety of a POSIX-string specified time-zone rule. The standard -// abbreviation and offset are always given. If the time zone includes -// daylight saving, then the daylight abbrevation is non-empty and the -// remaining fields are also valid. Note that the start/end transitions -// are not ordered---in the southern hemisphere the transition to end -// daylight time occurs first in any particular year. -struct PosixTimeZone { - std::string std_abbr; - std::int_fast32_t std_offset; - - std::string dst_abbr; - std::int_fast32_t dst_offset; - PosixTransition dst_start; - PosixTransition dst_end; -}; - -// Breaks down a POSIX time-zone specification into its constituent pieces, -// filling in any missing values (DST offset, or start/end transition times) -// with the standard-defined defaults. Returns false if the specification -// could not be parsed (although some fields of *res may have been altered). -bool ParsePosixSpec(const std::string& spec, PosixTimeZone* res); - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl - -#endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_POSIX_H_ diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/tzfile.h b/third_party/abseil_cpp/absl/time/internal/cctz/src/tzfile.h deleted file mode 100644 index 269fa36c53..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/tzfile.h +++ /dev/null @@ -1,122 +0,0 @@ -/* Layout and location of TZif files. */ - -#ifndef TZFILE_H - -#define TZFILE_H - -/* -** This file is in the public domain, so clarified as of -** 1996-06-05 by Arthur David Olson. -*/ - -/* -** This header is for use ONLY with the time conversion code. -** There is no guarantee that it will remain unchanged, -** or that it will remain at all. -** Do NOT copy it to any system include directory. -** Thank you! -*/ - -/* -** Information about time zone files. -*/ - -#ifndef TZDIR -#define TZDIR "/usr/share/zoneinfo" /* Time zone object file directory */ -#endif /* !defined TZDIR */ - -#ifndef TZDEFAULT -#define TZDEFAULT "/etc/localtime" -#endif /* !defined TZDEFAULT */ - -#ifndef TZDEFRULES -#define TZDEFRULES "posixrules" -#endif /* !defined TZDEFRULES */ - -/* See Internet RFC 8536 for more details about the following format. */ - -/* -** Each file begins with. . . -*/ - -#define TZ_MAGIC "TZif" - -struct tzhead { - char tzh_magic[4]; /* TZ_MAGIC */ - char tzh_version[1]; /* '\0' or '2' or '3' as of 2013 */ - char tzh_reserved[15]; /* reserved; must be zero */ - char tzh_ttisutcnt[4]; /* coded number of trans. time flags */ - char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */ - char tzh_leapcnt[4]; /* coded number of leap seconds */ - char tzh_timecnt[4]; /* coded number of transition times */ - char tzh_typecnt[4]; /* coded number of local time types */ - char tzh_charcnt[4]; /* coded number of abbr. chars */ -}; - -/* -** . . .followed by. . . -** -** tzh_timecnt (char [4])s coded transition times a la time(2) -** tzh_timecnt (unsigned char)s types of local time starting at above -** tzh_typecnt repetitions of -** one (char [4]) coded UT offset in seconds -** one (unsigned char) used to set tm_isdst -** one (unsigned char) that's an abbreviation list index -** tzh_charcnt (char)s '\0'-terminated zone abbreviations -** tzh_leapcnt repetitions of -** one (char [4]) coded leap second transition times -** one (char [4]) total correction after above -** tzh_ttisstdcnt (char)s indexed by type; if 1, transition -** time is standard time, if 0, -** transition time is local (wall clock) -** time; if absent, transition times are -** assumed to be local time -** tzh_ttisutcnt (char)s indexed by type; if 1, transition -** time is UT, if 0, transition time is -** local time; if absent, transition -** times are assumed to be local time. -** When this is 1, the corresponding -** std/wall indicator must also be 1. -*/ - -/* -** If tzh_version is '2' or greater, the above is followed by a second instance -** of tzhead and a second instance of the data in which each coded transition -** time uses 8 rather than 4 chars, -** then a POSIX-TZ-environment-variable-style string for use in handling -** instants after the last transition time stored in the file -** (with nothing between the newlines if there is no POSIX representation for -** such instants). -** -** If tz_version is '3' or greater, the above is extended as follows. -** First, the POSIX TZ string's hour offset may range from -167 -** through 167 as compared to the POSIX-required 0 through 24. -** Second, its DST start time may be January 1 at 00:00 and its stop -** time December 31 at 24:00 plus the difference between DST and -** standard time, indicating DST all year. -*/ - -/* -** In the current implementation, "tzset()" refuses to deal with files that -** exceed any of the limits below. -*/ - -#ifndef TZ_MAX_TIMES -#define TZ_MAX_TIMES 2000 -#endif /* !defined TZ_MAX_TIMES */ - -#ifndef TZ_MAX_TYPES -/* This must be at least 17 for Europe/Samara and Europe/Vilnius. */ -#define TZ_MAX_TYPES 256 /* Limited by what (unsigned char)'s can hold */ -#endif /* !defined TZ_MAX_TYPES */ - -#ifndef TZ_MAX_CHARS -#define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */ - /* (limited by what unsigned chars can hold) */ -#endif /* !defined TZ_MAX_CHARS */ - -#ifndef TZ_MAX_LEAPS -#define TZ_MAX_LEAPS 50 /* Maximum number of leap second corrections */ -#endif /* !defined TZ_MAX_LEAPS */ - -#endif /* !defined TZFILE_H */ diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/zone_info_source.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/zone_info_source.cc deleted file mode 100644 index 72095339c3..0000000000 --- a/third_party/abseil_cpp/absl/time/internal/cctz/src/zone_info_source.cc +++ /dev/null @@ -1,116 +0,0 @@ -// Copyright 2016 Google Inc. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include "absl/time/internal/cctz/include/cctz/zone_info_source.h" - -#include "absl/base/config.h" - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz { - -// Defined out-of-line to avoid emitting a weak vtable in all TUs. -ZoneInfoSource::~ZoneInfoSource() {} -std::string ZoneInfoSource::Version() const { return std::string(); } - -} // namespace cctz -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace time_internal { -namespace cctz_extension { - -namespace { - -// A default for cctz_extension::zone_info_source_factory, which simply -// defers to the fallback factory. -std::unique_ptr<absl::time_internal::cctz::ZoneInfoSource> DefaultFactory( - const std::string& name, - const std::function< - std::unique_ptr<absl::time_internal::cctz::ZoneInfoSource>( - const std::string& name)>& fallback_factory) { - return fallback_factory(name); -} - -} // namespace - -// A "weak" definition for cctz_extension::zone_info_source_factory. -// The user may override this with their own "strong" definition (see -// zone_info_source.h). -#if !defined(__has_attribute) -#define __has_attribute(x) 0 -#endif -// MinGW is GCC on Windows, so while it asserts __has_attribute(weak), the -// Windows linker cannot handle that. Nor does the MinGW compiler know how to -// pass "#pragma comment(linker, ...)" to the Windows linker. -#if (__has_attribute(weak) || defined(__GNUC__)) && !defined(__MINGW32__) -ZoneInfoSourceFactory zone_info_source_factory __attribute__((weak)) = - DefaultFactory; -#elif defined(_MSC_VER) && !defined(__MINGW32__) && !defined(_LIBCPP_VERSION) -extern ZoneInfoSourceFactory zone_info_source_factory; -extern ZoneInfoSourceFactory default_factory; -ZoneInfoSourceFactory default_factory = DefaultFactory; -#if defined(_M_IX86) -#pragma comment( \ - linker, \ - "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@@ZA=?default_factory@cctz_extension@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@ABV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@@ZA") -#elif defined(_M_IA_64) || defined(_M_AMD64) || defined(_M_ARM) || \ - defined(_M_ARM64) -#pragma comment( \ - linker, \ - "/alternatename:?zone_info_source_factory@cctz_extension@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@@ZEA=?default_factory@cctz_extension@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@3P6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@AEBV?$function@$$A6A?AV?$unique_ptr@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@U?$default_delete@VZoneInfoSource@cctz@time_internal@" ABSL_INTERNAL_MANGLED_NS \ - "@@@std@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@2@@Z@" ABSL_INTERNAL_MANGLED_BACKREFERENCE \ - "@@ZEA") -#else -#error Unsupported MSVC platform -#endif // _M_<PLATFORM> -#else -// Make it a "strong" definition if we have no other choice. -ZoneInfoSourceFactory zone_info_source_factory = DefaultFactory; -#endif - -} // namespace cctz_extension -} // namespace time_internal -ABSL_NAMESPACE_END -} // namespace absl |