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Diffstat (limited to 'absl/time/time_norm_test.cc')
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diff --git a/absl/time/time_norm_test.cc b/absl/time/time_norm_test.cc new file mode 100644 index 000000000000..005756e6dfa8 --- /dev/null +++ b/absl/time/time_norm_test.cc @@ -0,0 +1,306 @@ +// Copyright 2017 The Abseil Authors. +// +// 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 +// +// http://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 contains tests for FromDateTime() normalization, which is +// time-zone independent so we just use UTC throughout. + +#include <cstdint> +#include <limits> + +#include "gtest/gtest.h" +#include "absl/time/internal/test_util.h" +#include "absl/time/time.h" + +namespace { + +TEST(TimeNormCase, SimpleOverflow) { + const absl::TimeZone utc = absl::UTCTimeZone(); + + absl::TimeConversion tc = + absl::ConvertDateTime(2013, 11, 15, 16, 32, 59 + 1, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 33, 0, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15, 16, 59 + 1, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 17, 0, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15, 23 + 1, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 16, 0, 32, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 30 + 1, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 1, 16, 32, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 12 + 1, 15, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 15, 16, 32, 14, 0, false, "UTC"); +} + +TEST(TimeNormCase, SimpleUnderflow) { + const absl::TimeZone utc = absl::UTCTimeZone(); + + absl::TimeConversion tc = ConvertDateTime(2013, 11, 15, 16, 32, 0 - 1, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 16, 31, 59, 0, false, "UTC"); + + tc = ConvertDateTime(2013, 11, 15, 16, 0 - 1, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 15, 15, 59, 14, 0, false, "UTC"); + + tc = ConvertDateTime(2013, 11, 15, 0 - 1, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 14, 23, 32, 14, 0, false, "UTC"); + + tc = ConvertDateTime(2013, 11, 1 - 1, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 10, 31, 16, 32, 14, 0, false, "UTC"); + + tc = ConvertDateTime(2013, 1 - 1, 15, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 12, 15, 16, 32, 14, 0, false, "UTC"); +} + +TEST(TimeNormCase, MultipleOverflow) { + const absl::TimeZone utc = absl::UTCTimeZone(); + absl::TimeConversion tc = ConvertDateTime(2013, 12, 31, 23, 59, 59 + 1, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2014, 1, 1, 0, 0, 0, 0, false, "UTC"); +} + +TEST(TimeNormCase, MultipleUnderflow) { + const absl::TimeZone utc = absl::UTCTimeZone(); + absl::TimeConversion tc = absl::ConvertDateTime(2014, 1, 1, 0, 0, 0 - 1, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 12, 31, 23, 59, 59, 0, false, "UTC"); +} + +TEST(TimeNormCase, OverflowLimits) { + const absl::TimeZone utc = absl::UTCTimeZone(); + absl::TimeConversion tc; + absl::Time::Breakdown bd; + + const int kintmax = std::numeric_limits<int>::max(); + tc = absl::ConvertDateTime(0, kintmax, kintmax, kintmax, kintmax, kintmax, + utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 185085715, 11, 27, 12, 21, 7, 0, false, "UTC"); + + const int kintmin = std::numeric_limits<int>::min(); + tc = absl::ConvertDateTime(0, kintmin, kintmin, kintmin, kintmin, kintmin, + utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, -185085717, 10, 31, 10, 37, 52, 0, false, + "UTC"); + + const int64_t max_year = std::numeric_limits<int64_t>::max(); + tc = absl::ConvertDateTime(max_year, 12, 31, 23, 59, 59, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + EXPECT_EQ(absl::InfiniteFuture(), tc.pre); + + const int64_t min_year = std::numeric_limits<int64_t>::min(); + tc = absl::ConvertDateTime(min_year, 1, 1, 0, 0, 0, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + EXPECT_EQ(absl::InfinitePast(), tc.pre); +} + +TEST(TimeNormCase, ComplexOverflow) { + const absl::TimeZone utc = absl::UTCTimeZone(); + + absl::TimeConversion tc = + ConvertDateTime(2013, 11, 15, 16, 32, 14 + 123456789, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 10, 14, 14, 5, 23, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15, 16, 32 + 1234567, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2016, 3, 22, 0, 39, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15, 16 + 123456, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2027, 12, 16, 16, 32, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15 + 1234, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2017, 4, 2, 16, 32, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11 + 123, 15, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2024, 2, 15, 16, 32, 14, 0, false, "UTC"); +} + +TEST(TimeNormCase, ComplexUnderflow) { + const absl::TimeZone utc = absl::UTCTimeZone(); + + absl::TimeConversion tc = + absl::ConvertDateTime(1999, 3, 0, 0, 0, 0, utc); // year 400 + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 2, 28, 0, 0, 0, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15, 16, 32, 14 - 123456789, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2009, 12, 17, 18, 59, 5, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15, 16, 32 - 1234567, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2011, 7, 12, 8, 25, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15, 16 - 123456, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 1999, 10, 16, 16, 32, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11, 15 - 1234, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2010, 6, 30, 16, 32, 14, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11 - 123, 15, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2003, 8, 15, 16, 32, 14, 0, false, "UTC"); +} + +TEST(TimeNormCase, Mishmash) { + const absl::TimeZone utc = absl::UTCTimeZone(); + + absl::TimeConversion tc = + absl::ConvertDateTime(2013, 11 - 123, 15 + 1234, 16 - 123456, + 32 + 1234567, 14 - 123456789, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 1991, 5, 9, 3, 6, 5, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2013, 11 + 123, 15 - 1234, 16 + 123456, + 32 - 1234567, 14 + 123456789, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2036, 5, 24, 5, 58, 23, 0, false, "UTC"); + + // Here is a normalization case we got wrong for a while. Because the + // day is converted to "1" within a 400-year (146097-day) period, we + // didn't need to roll the month and so we didn't mark it as normalized. + tc = absl::ConvertDateTime(2013, 11, -146097 + 1, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 1613, 11, 1, 16, 32, 14, 0, false, "UTC"); + + // Even though the month overflow compensates for the day underflow, + // this should still be marked as normalized. + tc = absl::ConvertDateTime(2013, 11 + 400 * 12, -146097 + 1, 16, 32, 14, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 11, 1, 16, 32, 14, 0, false, "UTC"); +} + +TEST(TimeNormCase, LeapYears) { + const absl::TimeZone utc = absl::UTCTimeZone(); + + absl::TimeConversion tc = + absl::ConvertDateTime(2013, 2, 28 + 1, 0, 0, 0, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + absl::Time::Breakdown bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2013, 3, 1, 0, 0, 0, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2012, 2, 28 + 1, 0, 0, 0, utc); + EXPECT_FALSE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2012, 2, 29, 0, 0, 0, 0, false, "UTC"); + + tc = absl::ConvertDateTime(2000, 2, 28 + 1, 0, 0, 0, utc); + EXPECT_FALSE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 2000, 2, 29, 0, 0, 0, 0, false, "UTC"); + + tc = absl::ConvertDateTime(1900, 2, 28 + 1, 0, 0, 0, utc); + EXPECT_TRUE(tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + bd = tc.pre.In(utc); + ABSL_INTERNAL_EXPECT_TIME(bd, 1900, 3, 1, 0, 0, 0, 0, false, "UTC"); +} + +// Convert all the days from 1970-1-1 to 1970-1-146097 (aka 2369-12-31) +// and check that they normalize to the expected time. 146097 days span +// the 400-year Gregorian cycle used during normalization. +TEST(TimeNormCase, AllTheDays) { + const absl::TimeZone utc = absl::UTCTimeZone(); + absl::Time exp_time = absl::UnixEpoch(); + + for (int day = 1; day <= 146097; ++day) { + absl::TimeConversion tc = absl::ConvertDateTime(1970, 1, day, 0, 0, 0, utc); + EXPECT_EQ(day > 31, tc.normalized); + EXPECT_EQ(absl::TimeConversion::UNIQUE, tc.kind); + EXPECT_EQ(exp_time, tc.pre); + exp_time += absl::Hours(24); + } +} + +} // namespace |