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-rw-r--r--third_party/abseil_cpp/absl/time/civil_time_test.cc1243
1 files changed, 0 insertions, 1243 deletions
diff --git a/third_party/abseil_cpp/absl/time/civil_time_test.cc b/third_party/abseil_cpp/absl/time/civil_time_test.cc
deleted file mode 100644
index 0ebd97adbc56..000000000000
--- a/third_party/abseil_cpp/absl/time/civil_time_test.cc
+++ /dev/null
@@ -1,1243 +0,0 @@
-// Copyright 2018 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
-//
-//      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/civil_time.h"
-
-#include <limits>
-#include <sstream>
-#include <type_traits>
-
-#include "absl/base/macros.h"
-#include "gtest/gtest.h"
-
-namespace {
-
-TEST(CivilTime, DefaultConstruction) {
-  absl::CivilSecond ss;
-  EXPECT_EQ("1970-01-01T00:00:00", absl::FormatCivilTime(ss));
-
-  absl::CivilMinute mm;
-  EXPECT_EQ("1970-01-01T00:00", absl::FormatCivilTime(mm));
-
-  absl::CivilHour hh;
-  EXPECT_EQ("1970-01-01T00", absl::FormatCivilTime(hh));
-
-  absl::CivilDay d;
-  EXPECT_EQ("1970-01-01", absl::FormatCivilTime(d));
-
-  absl::CivilMonth m;
-  EXPECT_EQ("1970-01", absl::FormatCivilTime(m));
-
-  absl::CivilYear y;
-  EXPECT_EQ("1970", absl::FormatCivilTime(y));
-}
-
-TEST(CivilTime, StructMember) {
-  struct S {
-    absl::CivilDay day;
-  };
-  S s = {};
-  EXPECT_EQ(absl::CivilDay{}, s.day);
-}
-
-TEST(CivilTime, FieldsConstruction) {
-  EXPECT_EQ("2015-01-02T03:04:05",
-            absl::FormatCivilTime(absl::CivilSecond(2015, 1, 2, 3, 4, 5)));
-  EXPECT_EQ("2015-01-02T03:04:00",
-            absl::FormatCivilTime(absl::CivilSecond(2015, 1, 2, 3, 4)));
-  EXPECT_EQ("2015-01-02T03:00:00",
-            absl::FormatCivilTime(absl::CivilSecond(2015, 1, 2, 3)));
-  EXPECT_EQ("2015-01-02T00:00:00",
-            absl::FormatCivilTime(absl::CivilSecond(2015, 1, 2)));
-  EXPECT_EQ("2015-01-01T00:00:00",
-            absl::FormatCivilTime(absl::CivilSecond(2015, 1)));
-  EXPECT_EQ("2015-01-01T00:00:00",
-            absl::FormatCivilTime(absl::CivilSecond(2015)));
-
-  EXPECT_EQ("2015-01-02T03:04",
-            absl::FormatCivilTime(absl::CivilMinute(2015, 1, 2, 3, 4, 5)));
-  EXPECT_EQ("2015-01-02T03:04",
-            absl::FormatCivilTime(absl::CivilMinute(2015, 1, 2, 3, 4)));
-  EXPECT_EQ("2015-01-02T03:00",
-            absl::FormatCivilTime(absl::CivilMinute(2015, 1, 2, 3)));
-  EXPECT_EQ("2015-01-02T00:00",
-            absl::FormatCivilTime(absl::CivilMinute(2015, 1, 2)));
-  EXPECT_EQ("2015-01-01T00:00",
-            absl::FormatCivilTime(absl::CivilMinute(2015, 1)));
-  EXPECT_EQ("2015-01-01T00:00",
-            absl::FormatCivilTime(absl::CivilMinute(2015)));
-
-  EXPECT_EQ("2015-01-02T03",
-            absl::FormatCivilTime(absl::CivilHour(2015, 1, 2, 3, 4, 5)));
-  EXPECT_EQ("2015-01-02T03",
-            absl::FormatCivilTime(absl::CivilHour(2015, 1, 2, 3, 4)));
-  EXPECT_EQ("2015-01-02T03",
-            absl::FormatCivilTime(absl::CivilHour(2015, 1, 2, 3)));
-  EXPECT_EQ("2015-01-02T00",
-            absl::FormatCivilTime(absl::CivilHour(2015, 1, 2)));
-  EXPECT_EQ("2015-01-01T00",
-            absl::FormatCivilTime(absl::CivilHour(2015, 1)));
-  EXPECT_EQ("2015-01-01T00",
-            absl::FormatCivilTime(absl::CivilHour(2015)));
-
-  EXPECT_EQ("2015-01-02",
-            absl::FormatCivilTime(absl::CivilDay(2015, 1, 2, 3, 4, 5)));
-  EXPECT_EQ("2015-01-02",
-            absl::FormatCivilTime(absl::CivilDay(2015, 1, 2, 3, 4)));
-  EXPECT_EQ("2015-01-02",
-            absl::FormatCivilTime(absl::CivilDay(2015, 1, 2, 3)));
-  EXPECT_EQ("2015-01-02",
-            absl::FormatCivilTime(absl::CivilDay(2015, 1, 2)));
-  EXPECT_EQ("2015-01-01",
-            absl::FormatCivilTime(absl::CivilDay(2015, 1)));
-  EXPECT_EQ("2015-01-01",
-            absl::FormatCivilTime(absl::CivilDay(2015)));
-
-  EXPECT_EQ("2015-01",
-            absl::FormatCivilTime(absl::CivilMonth(2015, 1, 2, 3, 4, 5)));
-  EXPECT_EQ("2015-01",
-            absl::FormatCivilTime(absl::CivilMonth(2015, 1, 2, 3, 4)));
-  EXPECT_EQ("2015-01",
-            absl::FormatCivilTime(absl::CivilMonth(2015, 1, 2, 3)));
-  EXPECT_EQ("2015-01",
-            absl::FormatCivilTime(absl::CivilMonth(2015, 1, 2)));
-  EXPECT_EQ("2015-01",
-            absl::FormatCivilTime(absl::CivilMonth(2015, 1)));
-  EXPECT_EQ("2015-01",
-            absl::FormatCivilTime(absl::CivilMonth(2015)));
-
-  EXPECT_EQ("2015",
-            absl::FormatCivilTime(absl::CivilYear(2015, 1, 2, 3, 4, 5)));
-  EXPECT_EQ("2015",
-            absl::FormatCivilTime(absl::CivilYear(2015, 1, 2, 3, 4)));
-  EXPECT_EQ("2015",
-            absl::FormatCivilTime(absl::CivilYear(2015, 1, 2, 3)));
-  EXPECT_EQ("2015",
-            absl::FormatCivilTime(absl::CivilYear(2015, 1, 2)));
-  EXPECT_EQ("2015",
-            absl::FormatCivilTime(absl::CivilYear(2015, 1)));
-  EXPECT_EQ("2015",
-            absl::FormatCivilTime(absl::CivilYear(2015)));
-}
-
-TEST(CivilTime, FieldsConstructionLimits) {
-  const int kIntMax = std::numeric_limits<int>::max();
-  EXPECT_EQ("2038-01-19T03:14:07",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, 1, 0, 0, kIntMax)));
-  EXPECT_EQ("6121-02-11T05:21:07",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, 1, 0, kIntMax, kIntMax)));
-  EXPECT_EQ("251104-11-20T12:21:07",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, 1, kIntMax, kIntMax, kIntMax)));
-  EXPECT_EQ("6130715-05-30T12:21:07",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, kIntMax, kIntMax, kIntMax, kIntMax)));
-  EXPECT_EQ("185087685-11-26T12:21:07",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, kIntMax, kIntMax, kIntMax, kIntMax, kIntMax)));
-
-  const int kIntMin = std::numeric_limits<int>::min();
-  EXPECT_EQ("1901-12-13T20:45:52",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, 1, 0, 0, kIntMin)));
-  EXPECT_EQ("-2182-11-20T18:37:52",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, 1, 0, kIntMin, kIntMin)));
-  EXPECT_EQ("-247165-02-11T10:37:52",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, 1, kIntMin, kIntMin, kIntMin)));
-  EXPECT_EQ("-6126776-08-01T10:37:52",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, 1, kIntMin, kIntMin, kIntMin, kIntMin)));
-  EXPECT_EQ("-185083747-10-31T10:37:52",
-            absl::FormatCivilTime(absl::CivilSecond(
-                1970, kIntMin, kIntMin, kIntMin, kIntMin, kIntMin)));
-}
-
-TEST(CivilTime, RangeLimits) {
-  const absl::civil_year_t kYearMax =
-      std::numeric_limits<absl::civil_year_t>::max();
-  EXPECT_EQ(absl::CivilYear(kYearMax),
-            absl::CivilYear::max());
-  EXPECT_EQ(absl::CivilMonth(kYearMax, 12),
-            absl::CivilMonth::max());
-  EXPECT_EQ(absl::CivilDay(kYearMax, 12, 31),
-            absl::CivilDay::max());
-  EXPECT_EQ(absl::CivilHour(kYearMax, 12, 31, 23),
-            absl::CivilHour::max());
-  EXPECT_EQ(absl::CivilMinute(kYearMax, 12, 31, 23, 59),
-            absl::CivilMinute::max());
-  EXPECT_EQ(absl::CivilSecond(kYearMax, 12, 31, 23, 59, 59),
-            absl::CivilSecond::max());
-
-  const absl::civil_year_t kYearMin =
-      std::numeric_limits<absl::civil_year_t>::min();
-  EXPECT_EQ(absl::CivilYear(kYearMin),
-            absl::CivilYear::min());
-  EXPECT_EQ(absl::CivilMonth(kYearMin, 1),
-            absl::CivilMonth::min());
-  EXPECT_EQ(absl::CivilDay(kYearMin, 1, 1),
-            absl::CivilDay::min());
-  EXPECT_EQ(absl::CivilHour(kYearMin, 1, 1, 0),
-            absl::CivilHour::min());
-  EXPECT_EQ(absl::CivilMinute(kYearMin, 1, 1, 0, 0),
-            absl::CivilMinute::min());
-  EXPECT_EQ(absl::CivilSecond(kYearMin, 1, 1, 0, 0, 0),
-            absl::CivilSecond::min());
-}
-
-TEST(CivilTime, ImplicitCrossAlignment) {
-  absl::CivilYear year(2015);
-  absl::CivilMonth month = year;
-  absl::CivilDay day = month;
-  absl::CivilHour hour = day;
-  absl::CivilMinute minute = hour;
-  absl::CivilSecond 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<absl::CivilSecond, absl::CivilMinute>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilSecond, absl::CivilHour>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilSecond, absl::CivilDay>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilSecond, absl::CivilMonth>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilSecond, absl::CivilYear>::value));
-
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilMinute, absl::CivilHour>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilMinute, absl::CivilDay>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilMinute, absl::CivilMonth>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilMinute, absl::CivilYear>::value));
-
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilHour, absl::CivilDay>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilHour, absl::CivilMonth>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilHour, absl::CivilYear>::value));
-
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilDay, absl::CivilMonth>::value));
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilDay, absl::CivilYear>::value));
-
-  EXPECT_FALSE(
-      (std::is_convertible<absl::CivilMonth, absl::CivilYear>::value));
-}
-
-TEST(CivilTime, ExplicitCrossAlignment) {
-  //
-  // Assign from smaller units -> larger units
-  //
-
-  absl::CivilSecond second(2015, 1, 2, 3, 4, 5);
-  EXPECT_EQ("2015-01-02T03:04:05", absl::FormatCivilTime(second));
-
-  absl::CivilMinute minute(second);
-  EXPECT_EQ("2015-01-02T03:04", absl::FormatCivilTime(minute));
-
-  absl::CivilHour hour(minute);
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(hour));
-
-  absl::CivilDay day(hour);
-  EXPECT_EQ("2015-01-02", absl::FormatCivilTime(day));
-
-  absl::CivilMonth month(day);
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(month));
-
-  absl::CivilYear year(month);
-  EXPECT_EQ("2015", absl::FormatCivilTime(year));
-
-  //
-  // Now assign from larger units -> smaller units
-  //
-
-  month = absl::CivilMonth(year);
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(month));
-
-  day = absl::CivilDay(month);
-  EXPECT_EQ("2015-01-01", absl::FormatCivilTime(day));
-
-  hour = absl::CivilHour(day);
-  EXPECT_EQ("2015-01-01T00", absl::FormatCivilTime(hour));
-
-  minute = absl::CivilMinute(hour);
-  EXPECT_EQ("2015-01-01T00:00", absl::FormatCivilTime(minute));
-
-  second = absl::CivilSecond(minute);
-  EXPECT_EQ("2015-01-01T00:00:00", absl::FormatCivilTime(second));
-}
-
-// Metafunction to test whether difference is allowed between two types.
-template <typename T1, typename T2>
-struct HasDiff {
-  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(HasDiff<absl::CivilSecond, absl::CivilSecond>::value, "");
-  static_assert(HasDiff<absl::CivilMinute, absl::CivilMinute>::value, "");
-  static_assert(HasDiff<absl::CivilHour, absl::CivilHour>::value, "");
-  static_assert(HasDiff<absl::CivilDay, absl::CivilDay>::value, "");
-  static_assert(HasDiff<absl::CivilMonth, absl::CivilMonth>::value, "");
-  static_assert(HasDiff<absl::CivilYear, absl::CivilYear>::value, "");
-
-  // Difference is disallowed between types with different alignments.
-  static_assert(!HasDiff<absl::CivilSecond, absl::CivilMinute>::value, "");
-  static_assert(!HasDiff<absl::CivilSecond, absl::CivilHour>::value, "");
-  static_assert(!HasDiff<absl::CivilSecond, absl::CivilDay>::value, "");
-  static_assert(!HasDiff<absl::CivilSecond, absl::CivilMonth>::value, "");
-  static_assert(!HasDiff<absl::CivilSecond, absl::CivilYear>::value, "");
-
-  static_assert(!HasDiff<absl::CivilMinute, absl::CivilHour>::value, "");
-  static_assert(!HasDiff<absl::CivilMinute, absl::CivilDay>::value, "");
-  static_assert(!HasDiff<absl::CivilMinute, absl::CivilMonth>::value, "");
-  static_assert(!HasDiff<absl::CivilMinute, absl::CivilYear>::value, "");
-
-  static_assert(!HasDiff<absl::CivilHour, absl::CivilDay>::value, "");
-  static_assert(!HasDiff<absl::CivilHour, absl::CivilMonth>::value, "");
-  static_assert(!HasDiff<absl::CivilHour, absl::CivilYear>::value, "");
-
-  static_assert(!HasDiff<absl::CivilDay, absl::CivilMonth>::value, "");
-  static_assert(!HasDiff<absl::CivilDay, absl::CivilYear>::value, "");
-
-  static_assert(!HasDiff<absl::CivilMonth, absl::CivilYear>::value, "");
-}
-
-TEST(CivilTime, ValueSemantics) {
-  const absl::CivilHour a(2015, 1, 2, 3);
-  const absl::CivilHour b = a;
-  const absl::CivilHour c(b);
-  absl::CivilHour d;
-  d = c;
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(d));
-}
-
-TEST(CivilTime, Relational) {
-  // Tests that the alignment unit is ignored in comparison.
-  const absl::CivilYear year(2014);
-  const absl::CivilMonth 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 CivilSecond is
-  // used to test comparison in all field positions.
-  TEST_RELATIONAL(absl::CivilSecond(2014, 1, 1, 0, 0, 0),
-                  absl::CivilSecond(2015, 1, 1, 0, 0, 0));
-  TEST_RELATIONAL(absl::CivilSecond(2014, 1, 1, 0, 0, 0),
-                  absl::CivilSecond(2014, 2, 1, 0, 0, 0));
-  TEST_RELATIONAL(absl::CivilSecond(2014, 1, 1, 0, 0, 0),
-                  absl::CivilSecond(2014, 1, 2, 0, 0, 0));
-  TEST_RELATIONAL(absl::CivilSecond(2014, 1, 1, 0, 0, 0),
-                  absl::CivilSecond(2014, 1, 1, 1, 0, 0));
-  TEST_RELATIONAL(absl::CivilSecond(2014, 1, 1, 1, 0, 0),
-                  absl::CivilSecond(2014, 1, 1, 1, 1, 0));
-  TEST_RELATIONAL(absl::CivilSecond(2014, 1, 1, 1, 1, 0),
-                  absl::CivilSecond(2014, 1, 1, 1, 1, 1));
-
-  // Tests the relational operators of two different civil-time types.
-  TEST_RELATIONAL(absl::CivilDay(2014, 1, 1),
-                  absl::CivilMinute(2014, 1, 1, 1, 1));
-  TEST_RELATIONAL(absl::CivilDay(2014, 1, 1),
-                  absl::CivilMonth(2014, 2));
-
-#undef TEST_RELATIONAL
-}
-
-TEST(CivilTime, Arithmetic) {
-  absl::CivilSecond second(2015, 1, 2, 3, 4, 5);
-  EXPECT_EQ("2015-01-02T03:04:06", absl::FormatCivilTime(second += 1));
-  EXPECT_EQ("2015-01-02T03:04:07", absl::FormatCivilTime(second + 1));
-  EXPECT_EQ("2015-01-02T03:04:08", absl::FormatCivilTime(2 + second));
-  EXPECT_EQ("2015-01-02T03:04:05", absl::FormatCivilTime(second - 1));
-  EXPECT_EQ("2015-01-02T03:04:05", absl::FormatCivilTime(second -= 1));
-  EXPECT_EQ("2015-01-02T03:04:05", absl::FormatCivilTime(second++));
-  EXPECT_EQ("2015-01-02T03:04:07", absl::FormatCivilTime(++second));
-  EXPECT_EQ("2015-01-02T03:04:07", absl::FormatCivilTime(second--));
-  EXPECT_EQ("2015-01-02T03:04:05", absl::FormatCivilTime(--second));
-
-  absl::CivilMinute minute(2015, 1, 2, 3, 4);
-  EXPECT_EQ("2015-01-02T03:05", absl::FormatCivilTime(minute += 1));
-  EXPECT_EQ("2015-01-02T03:06", absl::FormatCivilTime(minute + 1));
-  EXPECT_EQ("2015-01-02T03:07", absl::FormatCivilTime(2 + minute));
-  EXPECT_EQ("2015-01-02T03:04", absl::FormatCivilTime(minute - 1));
-  EXPECT_EQ("2015-01-02T03:04", absl::FormatCivilTime(minute -= 1));
-  EXPECT_EQ("2015-01-02T03:04", absl::FormatCivilTime(minute++));
-  EXPECT_EQ("2015-01-02T03:06", absl::FormatCivilTime(++minute));
-  EXPECT_EQ("2015-01-02T03:06", absl::FormatCivilTime(minute--));
-  EXPECT_EQ("2015-01-02T03:04", absl::FormatCivilTime(--minute));
-
-  absl::CivilHour hour(2015, 1, 2, 3);
-  EXPECT_EQ("2015-01-02T04", absl::FormatCivilTime(hour += 1));
-  EXPECT_EQ("2015-01-02T05", absl::FormatCivilTime(hour + 1));
-  EXPECT_EQ("2015-01-02T06", absl::FormatCivilTime(2 + hour));
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(hour - 1));
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(hour -= 1));
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(hour++));
-  EXPECT_EQ("2015-01-02T05", absl::FormatCivilTime(++hour));
-  EXPECT_EQ("2015-01-02T05", absl::FormatCivilTime(hour--));
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(--hour));
-
-  absl::CivilDay day(2015, 1, 2);
-  EXPECT_EQ("2015-01-03", absl::FormatCivilTime(day += 1));
-  EXPECT_EQ("2015-01-04", absl::FormatCivilTime(day + 1));
-  EXPECT_EQ("2015-01-05", absl::FormatCivilTime(2 + day));
-  EXPECT_EQ("2015-01-02", absl::FormatCivilTime(day - 1));
-  EXPECT_EQ("2015-01-02", absl::FormatCivilTime(day -= 1));
-  EXPECT_EQ("2015-01-02", absl::FormatCivilTime(day++));
-  EXPECT_EQ("2015-01-04", absl::FormatCivilTime(++day));
-  EXPECT_EQ("2015-01-04", absl::FormatCivilTime(day--));
-  EXPECT_EQ("2015-01-02", absl::FormatCivilTime(--day));
-
-  absl::CivilMonth month(2015, 1);
-  EXPECT_EQ("2015-02", absl::FormatCivilTime(month += 1));
-  EXPECT_EQ("2015-03", absl::FormatCivilTime(month + 1));
-  EXPECT_EQ("2015-04", absl::FormatCivilTime(2 + month));
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(month - 1));
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(month -= 1));
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(month++));
-  EXPECT_EQ("2015-03", absl::FormatCivilTime(++month));
-  EXPECT_EQ("2015-03", absl::FormatCivilTime(month--));
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(--month));
-
-  absl::CivilYear year(2015);
-  EXPECT_EQ("2016", absl::FormatCivilTime(year += 1));
-  EXPECT_EQ("2017", absl::FormatCivilTime(year + 1));
-  EXPECT_EQ("2018", absl::FormatCivilTime(2 + year));
-  EXPECT_EQ("2015", absl::FormatCivilTime(year - 1));
-  EXPECT_EQ("2015", absl::FormatCivilTime(year -= 1));
-  EXPECT_EQ("2015", absl::FormatCivilTime(year++));
-  EXPECT_EQ("2017", absl::FormatCivilTime(++year));
-  EXPECT_EQ("2017", absl::FormatCivilTime(year--));
-  EXPECT_EQ("2015", absl::FormatCivilTime(--year));
-}
-
-TEST(CivilTime, ArithmeticLimits) {
-  const int kIntMax = std::numeric_limits<int>::max();
-  const int kIntMin = std::numeric_limits<int>::min();
-
-  absl::CivilSecond second(1970, 1, 1, 0, 0, 0);
-  second += kIntMax;
-  EXPECT_EQ("2038-01-19T03:14:07", absl::FormatCivilTime(second));
-  second -= kIntMax;
-  EXPECT_EQ("1970-01-01T00:00:00", absl::FormatCivilTime(second));
-  second += kIntMin;
-  EXPECT_EQ("1901-12-13T20:45:52", absl::FormatCivilTime(second));
-  second -= kIntMin;
-  EXPECT_EQ("1970-01-01T00:00:00", absl::FormatCivilTime(second));
-
-  absl::CivilMinute minute(1970, 1, 1, 0, 0);
-  minute += kIntMax;
-  EXPECT_EQ("6053-01-23T02:07", absl::FormatCivilTime(minute));
-  minute -= kIntMax;
-  EXPECT_EQ("1970-01-01T00:00", absl::FormatCivilTime(minute));
-  minute += kIntMin;
-  EXPECT_EQ("-2114-12-08T21:52", absl::FormatCivilTime(minute));
-  minute -= kIntMin;
-  EXPECT_EQ("1970-01-01T00:00", absl::FormatCivilTime(minute));
-
-  absl::CivilHour hour(1970, 1, 1, 0);
-  hour += kIntMax;
-  EXPECT_EQ("246953-10-09T07", absl::FormatCivilTime(hour));
-  hour -= kIntMax;
-  EXPECT_EQ("1970-01-01T00", absl::FormatCivilTime(hour));
-  hour += kIntMin;
-  EXPECT_EQ("-243014-03-24T16", absl::FormatCivilTime(hour));
-  hour -= kIntMin;
-  EXPECT_EQ("1970-01-01T00", absl::FormatCivilTime(hour));
-
-  absl::CivilDay day(1970, 1, 1);
-  day += kIntMax;
-  EXPECT_EQ("5881580-07-11", absl::FormatCivilTime(day));
-  day -= kIntMax;
-  EXPECT_EQ("1970-01-01", absl::FormatCivilTime(day));
-  day += kIntMin;
-  EXPECT_EQ("-5877641-06-23", absl::FormatCivilTime(day));
-  day -= kIntMin;
-  EXPECT_EQ("1970-01-01", absl::FormatCivilTime(day));
-
-  absl::CivilMonth month(1970, 1);
-  month += kIntMax;
-  EXPECT_EQ("178958940-08", absl::FormatCivilTime(month));
-  month -= kIntMax;
-  EXPECT_EQ("1970-01", absl::FormatCivilTime(month));
-  month += kIntMin;
-  EXPECT_EQ("-178955001-05", absl::FormatCivilTime(month));
-  month -= kIntMin;
-  EXPECT_EQ("1970-01", absl::FormatCivilTime(month));
-
-  absl::CivilYear year(0);
-  year += kIntMax;
-  EXPECT_EQ("2147483647", absl::FormatCivilTime(year));
-  year -= kIntMax;
-  EXPECT_EQ("0", absl::FormatCivilTime(year));
-  year += kIntMin;
-  EXPECT_EQ("-2147483648", absl::FormatCivilTime(year));
-  year -= kIntMin;
-  EXPECT_EQ("0", absl::FormatCivilTime(year));
-}
-
-TEST(CivilTime, Difference) {
-  absl::CivilSecond second(2015, 1, 2, 3, 4, 5);
-  EXPECT_EQ(0, second - second);
-  EXPECT_EQ(10, (second + 10) - second);
-  EXPECT_EQ(-10, (second - 10) - second);
-
-  absl::CivilMinute minute(2015, 1, 2, 3, 4);
-  EXPECT_EQ(0, minute - minute);
-  EXPECT_EQ(10, (minute + 10) - minute);
-  EXPECT_EQ(-10, (minute - 10) - minute);
-
-  absl::CivilHour hour(2015, 1, 2, 3);
-  EXPECT_EQ(0, hour - hour);
-  EXPECT_EQ(10, (hour + 10) - hour);
-  EXPECT_EQ(-10, (hour - 10) - hour);
-
-  absl::CivilDay day(2015, 1, 2);
-  EXPECT_EQ(0, day - day);
-  EXPECT_EQ(10, (day + 10) - day);
-  EXPECT_EQ(-10, (day - 10) - day);
-
-  absl::CivilMonth month(2015, 1);
-  EXPECT_EQ(0, month - month);
-  EXPECT_EQ(10, (month + 10) - month);
-  EXPECT_EQ(-10, (month - 10) - month);
-
-  absl::CivilYear year(2015);
-  EXPECT_EQ(0, year - year);
-  EXPECT_EQ(10, (year + 10) - year);
-  EXPECT_EQ(-10, (year - 10) - year);
-}
-
-TEST(CivilTime, DifferenceLimits) {
-  const absl::civil_diff_t kDiffMax =
-      std::numeric_limits<absl::civil_diff_t>::max();
-  const absl::civil_diff_t kDiffMin =
-      std::numeric_limits<absl::civil_diff_t>::min();
-
-  // Check day arithmetic at the end of the year range.
-  const absl::CivilDay max_day(kDiffMax, 12, 31);
-  EXPECT_EQ(1, max_day - (max_day - 1));
-  EXPECT_EQ(-1, (max_day - 1) - max_day);
-
-  // Check day arithmetic at the start of the year range.
-  const absl::CivilDay min_day(kDiffMin, 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 absl::CivilDay d1(1970, 1, 1);
-  const absl::CivilDay d2(25252734927768524, 7, 27);
-  EXPECT_EQ(kDiffMax, d2 - d1);
-  EXPECT_EQ(kDiffMin, d1 - (d2 + 1));
-}
-
-TEST(CivilTime, Properties) {
-  absl::CivilSecond 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(absl::Weekday::tuesday, absl::GetWeekday(ss));
-  EXPECT_EQ(34, absl::GetYearDay(ss));
-
-  absl::CivilMinute 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(absl::Weekday::tuesday, absl::GetWeekday(mm));
-  EXPECT_EQ(34, absl::GetYearDay(mm));
-
-  absl::CivilHour 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(absl::Weekday::tuesday, absl::GetWeekday(hh));
-  EXPECT_EQ(34, absl::GetYearDay(hh));
-
-  absl::CivilDay 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(absl::Weekday::tuesday, absl::GetWeekday(d));
-  EXPECT_EQ(34, absl::GetYearDay(d));
-
-  absl::CivilMonth 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(absl::Weekday::sunday, absl::GetWeekday(m));
-  EXPECT_EQ(32, absl::GetYearDay(m));
-
-  absl::CivilYear 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(absl::Weekday::thursday, absl::GetWeekday(y));
-  EXPECT_EQ(1, absl::GetYearDay(y));
-}
-
-TEST(CivilTime, Format) {
-  absl::CivilSecond ss;
-  EXPECT_EQ("1970-01-01T00:00:00", absl::FormatCivilTime(ss));
-
-  absl::CivilMinute mm;
-  EXPECT_EQ("1970-01-01T00:00", absl::FormatCivilTime(mm));
-
-  absl::CivilHour hh;
-  EXPECT_EQ("1970-01-01T00", absl::FormatCivilTime(hh));
-
-  absl::CivilDay d;
-  EXPECT_EQ("1970-01-01", absl::FormatCivilTime(d));
-
-  absl::CivilMonth m;
-  EXPECT_EQ("1970-01", absl::FormatCivilTime(m));
-
-  absl::CivilYear y;
-  EXPECT_EQ("1970", absl::FormatCivilTime(y));
-}
-
-TEST(CivilTime, Parse) {
-  absl::CivilSecond ss;
-  absl::CivilMinute mm;
-  absl::CivilHour hh;
-  absl::CivilDay d;
-  absl::CivilMonth m;
-  absl::CivilYear y;
-
-  // CivilSecond OK; others fail
-  EXPECT_TRUE(absl::ParseCivilTime("2015-01-02T03:04:05", &ss));
-  EXPECT_EQ("2015-01-02T03:04:05", absl::FormatCivilTime(ss));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04:05", &mm));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04:05", &hh));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04:05", &d));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04:05", &m));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04:05", &y));
-
-  // CivilMinute OK; others fail
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04", &ss));
-  EXPECT_TRUE(absl::ParseCivilTime("2015-01-02T03:04", &mm));
-  EXPECT_EQ("2015-01-02T03:04", absl::FormatCivilTime(mm));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04", &hh));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04", &d));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04", &m));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03:04", &y));
-
-  // CivilHour OK; others fail
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03", &ss));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03", &mm));
-  EXPECT_TRUE(absl::ParseCivilTime("2015-01-02T03", &hh));
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(hh));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03", &d));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03", &m));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02T03", &y));
-
-  // CivilDay OK; others fail
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02", &ss));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02", &mm));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02", &hh));
-  EXPECT_TRUE(absl::ParseCivilTime("2015-01-02", &d));
-  EXPECT_EQ("2015-01-02", absl::FormatCivilTime(d));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02", &m));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01-02", &y));
-
-  // CivilMonth OK; others fail
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01", &ss));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01", &mm));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01", &hh));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01", &d));
-  EXPECT_TRUE(absl::ParseCivilTime("2015-01", &m));
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(m));
-  EXPECT_FALSE(absl::ParseCivilTime("2015-01", &y));
-
-  // CivilYear OK; others fail
-  EXPECT_FALSE(absl::ParseCivilTime("2015", &ss));
-  EXPECT_FALSE(absl::ParseCivilTime("2015", &mm));
-  EXPECT_FALSE(absl::ParseCivilTime("2015", &hh));
-  EXPECT_FALSE(absl::ParseCivilTime("2015", &d));
-  EXPECT_FALSE(absl::ParseCivilTime("2015", &m));
-  EXPECT_TRUE(absl::ParseCivilTime("2015", &y));
-  EXPECT_EQ("2015", absl::FormatCivilTime(y));
-}
-
-TEST(CivilTime, FormatAndParseLenient) {
-  absl::CivilSecond ss;
-  EXPECT_EQ("1970-01-01T00:00:00", absl::FormatCivilTime(ss));
-
-  absl::CivilMinute mm;
-  EXPECT_EQ("1970-01-01T00:00", absl::FormatCivilTime(mm));
-
-  absl::CivilHour hh;
-  EXPECT_EQ("1970-01-01T00", absl::FormatCivilTime(hh));
-
-  absl::CivilDay d;
-  EXPECT_EQ("1970-01-01", absl::FormatCivilTime(d));
-
-  absl::CivilMonth m;
-  EXPECT_EQ("1970-01", absl::FormatCivilTime(m));
-
-  absl::CivilYear y;
-  EXPECT_EQ("1970", absl::FormatCivilTime(y));
-
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-01-02T03:04:05", &ss));
-  EXPECT_EQ("2015-01-02T03:04:05", absl::FormatCivilTime(ss));
-
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-01-02T03:04:05", &mm));
-  EXPECT_EQ("2015-01-02T03:04", absl::FormatCivilTime(mm));
-
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-01-02T03:04:05", &hh));
-  EXPECT_EQ("2015-01-02T03", absl::FormatCivilTime(hh));
-
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-01-02T03:04:05", &d));
-  EXPECT_EQ("2015-01-02", absl::FormatCivilTime(d));
-
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-01-02T03:04:05", &m));
-  EXPECT_EQ("2015-01", absl::FormatCivilTime(m));
-
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-01-02T03:04:05", &y));
-  EXPECT_EQ("2015", absl::FormatCivilTime(y));
-}
-
-TEST(CivilTime, ParseEdgeCases) {
-  absl::CivilSecond ss;
-  EXPECT_TRUE(
-      absl::ParseLenientCivilTime("9223372036854775807-12-31T23:59:59", &ss));
-  EXPECT_EQ("9223372036854775807-12-31T23:59:59", absl::FormatCivilTime(ss));
-  EXPECT_TRUE(
-      absl::ParseLenientCivilTime("-9223372036854775808-01-01T00:00:00", &ss));
-  EXPECT_EQ("-9223372036854775808-01-01T00:00:00", absl::FormatCivilTime(ss));
-
-  absl::CivilMinute mm;
-  EXPECT_TRUE(
-      absl::ParseLenientCivilTime("9223372036854775807-12-31T23:59", &mm));
-  EXPECT_EQ("9223372036854775807-12-31T23:59", absl::FormatCivilTime(mm));
-  EXPECT_TRUE(
-      absl::ParseLenientCivilTime("-9223372036854775808-01-01T00:00", &mm));
-  EXPECT_EQ("-9223372036854775808-01-01T00:00", absl::FormatCivilTime(mm));
-
-  absl::CivilHour hh;
-  EXPECT_TRUE(
-      absl::ParseLenientCivilTime("9223372036854775807-12-31T23", &hh));
-  EXPECT_EQ("9223372036854775807-12-31T23", absl::FormatCivilTime(hh));
-  EXPECT_TRUE(
-      absl::ParseLenientCivilTime("-9223372036854775808-01-01T00", &hh));
-  EXPECT_EQ("-9223372036854775808-01-01T00", absl::FormatCivilTime(hh));
-
-  absl::CivilDay d;
-  EXPECT_TRUE(absl::ParseLenientCivilTime("9223372036854775807-12-31", &d));
-  EXPECT_EQ("9223372036854775807-12-31", absl::FormatCivilTime(d));
-  EXPECT_TRUE(absl::ParseLenientCivilTime("-9223372036854775808-01-01", &d));
-  EXPECT_EQ("-9223372036854775808-01-01", absl::FormatCivilTime(d));
-
-  absl::CivilMonth m;
-  EXPECT_TRUE(absl::ParseLenientCivilTime("9223372036854775807-12", &m));
-  EXPECT_EQ("9223372036854775807-12", absl::FormatCivilTime(m));
-  EXPECT_TRUE(absl::ParseLenientCivilTime("-9223372036854775808-01", &m));
-  EXPECT_EQ("-9223372036854775808-01", absl::FormatCivilTime(m));
-
-  absl::CivilYear y;
-  EXPECT_TRUE(absl::ParseLenientCivilTime("9223372036854775807", &y));
-  EXPECT_EQ("9223372036854775807", absl::FormatCivilTime(y));
-  EXPECT_TRUE(absl::ParseLenientCivilTime("-9223372036854775808", &y));
-  EXPECT_EQ("-9223372036854775808", absl::FormatCivilTime(y));
-
-  // Tests some valid, but interesting, cases
-  EXPECT_TRUE(absl::ParseLenientCivilTime("0", &ss)) << ss;
-  EXPECT_EQ(absl::CivilYear(0), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime("0-1", &ss)) << ss;
-  EXPECT_EQ(absl::CivilMonth(0, 1), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime(" 2015 ", &ss)) << ss;
-  EXPECT_EQ(absl::CivilYear(2015), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime(" 2015-6 ", &ss)) << ss;
-  EXPECT_EQ(absl::CivilMonth(2015, 6), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-6-7", &ss)) << ss;
-  EXPECT_EQ(absl::CivilDay(2015, 6, 7), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime(" 2015-6-7 ", &ss)) << ss;
-  EXPECT_EQ(absl::CivilDay(2015, 6, 7), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime("2015-06-07T10:11:12 ", &ss)) << ss;
-  EXPECT_EQ(absl::CivilSecond(2015, 6, 7, 10, 11, 12), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime(" 2015-06-07T10:11:12 ", &ss)) << ss;
-  EXPECT_EQ(absl::CivilSecond(2015, 6, 7, 10, 11, 12), ss);
-  EXPECT_TRUE(absl::ParseLenientCivilTime("-01-01", &ss)) << ss;
-  EXPECT_EQ(absl::CivilMonth(-1, 1), ss);
-
-  // Tests some invalid cases
-  EXPECT_FALSE(absl::ParseLenientCivilTime("01-01-2015", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("2015-", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("0xff-01", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("2015-02-30T04:05:06", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("2015-02-03T04:05:96", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("X2015-02-03T04:05:06", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("2015-02-03T04:05:003", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("2015 -02-03T04:05:06", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("2015-02-03-04:05:06", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("2015:02:03T04-05-06", &ss)) << ss;
-  EXPECT_FALSE(absl::ParseLenientCivilTime("9223372036854775808", &y)) << y;
-}
-
-TEST(CivilTime, OutputStream) {
-  absl::CivilSecond cs(2016, 2, 3, 4, 5, 6);
-  {
-    std::stringstream ss;
-    ss << std::left << std::setfill('.');
-    ss << std::setw(3) << 'X';
-    ss << std::setw(21) << absl::CivilYear(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) << absl::CivilMonth(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) << absl::CivilDay(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) << absl::CivilHour(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) << absl::CivilMinute(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) << absl::CivilSecond(cs);
-    ss << std::setw(3) << 'X';
-    EXPECT_EQ("X..2016-02-03T04:05:06..X..", ss.str());
-  }
-  {
-    std::stringstream ss;
-    ss << std::left << std::setfill('.');
-    ss << std::setw(3) << 'X';
-    ss << std::setw(21) << absl::Weekday::wednesday;
-    ss << std::setw(3) << 'X';
-    EXPECT_EQ("X..Wednesday............X..", ss.str());
-  }
-}
-
-TEST(CivilTime, Weekday) {
-  absl::CivilDay d(1970, 1, 1);
-  EXPECT_EQ(absl::Weekday::thursday, absl::GetWeekday(d)) << d;
-
-  // We used to get this wrong for years < -30.
-  d = absl::CivilDay(-31, 12, 24);
-  EXPECT_EQ(absl::Weekday::wednesday, absl::GetWeekday(d)) << d;
-}
-
-TEST(CivilTime, NextPrevWeekday) {
-  // Jan 1, 1970 was a Thursday.
-  const absl::CivilDay thursday(1970, 1, 1);
-
-  // Thursday -> Thursday
-  absl::CivilDay d = absl::NextWeekday(thursday, absl::Weekday::thursday);
-  EXPECT_EQ(7, d - thursday) << d;
-  EXPECT_EQ(d - 14, absl::PrevWeekday(thursday, absl::Weekday::thursday));
-
-  // Thursday -> Friday
-  d = absl::NextWeekday(thursday, absl::Weekday::friday);
-  EXPECT_EQ(1, d - thursday) << d;
-  EXPECT_EQ(d - 7, absl::PrevWeekday(thursday, absl::Weekday::friday));
-
-  // Thursday -> Saturday
-  d = absl::NextWeekday(thursday, absl::Weekday::saturday);
-  EXPECT_EQ(2, d - thursday) << d;
-  EXPECT_EQ(d - 7, absl::PrevWeekday(thursday, absl::Weekday::saturday));
-
-  // Thursday -> Sunday
-  d = absl::NextWeekday(thursday, absl::Weekday::sunday);
-  EXPECT_EQ(3, d - thursday) << d;
-  EXPECT_EQ(d - 7, absl::PrevWeekday(thursday, absl::Weekday::sunday));
-
-  // Thursday -> Monday
-  d = absl::NextWeekday(thursday, absl::Weekday::monday);
-  EXPECT_EQ(4, d - thursday) << d;
-  EXPECT_EQ(d - 7, absl::PrevWeekday(thursday, absl::Weekday::monday));
-
-  // Thursday -> Tuesday
-  d = absl::NextWeekday(thursday, absl::Weekday::tuesday);
-  EXPECT_EQ(5, d - thursday) << d;
-  EXPECT_EQ(d - 7, absl::PrevWeekday(thursday, absl::Weekday::tuesday));
-
-  // Thursday -> Wednesday
-  d = absl::NextWeekday(thursday, absl::Weekday::wednesday);
-  EXPECT_EQ(6, d - thursday) << d;
-  EXPECT_EQ(d - 7, absl::PrevWeekday(thursday, absl::Weekday::wednesday));
-}
-
-// NOTE: Run this with --copt=-ftrapv to detect overflow problems.
-TEST(CivilTime, DifferenceWithHugeYear) {
-  absl::CivilDay d1(9223372036854775807, 1, 1);
-  absl::CivilDay d2(9223372036854775807, 12, 31);
-  EXPECT_EQ(364, d2 - d1);
-
-  d1 = absl::CivilDay(-9223372036854775807 - 1, 1, 1);
-  d2 = absl::CivilDay(-9223372036854775807 - 1, 12, 31);
-  EXPECT_EQ(365, d2 - d1);
-
-  // Check the limits of the return value at the end of the year range.
-  d1 = absl::CivilDay(9223372036854775807, 1, 1);
-  d2 = absl::CivilDay(9198119301927009252, 6, 6);
-  EXPECT_EQ(9223372036854775807, d1 - d2);
-  d2 = d2 - 1;
-  EXPECT_EQ(-9223372036854775807 - 1, d2 - d1);
-
-  // Check the limits of the return value at the start of the year range.
-  d1 = absl::CivilDay(-9223372036854775807 - 1, 1, 1);
-  d2 = absl::CivilDay(-9198119301927009254, 7, 28);
-  EXPECT_EQ(9223372036854775807, d2 - d1);
-  d2 = d2 + 1;
-  EXPECT_EQ(-9223372036854775807 - 1, d1 - d2);
-
-  // Check the limits of the return value from either side of year 0.
-  d1 = absl::CivilDay(-12626367463883278, 9, 3);
-  d2 = absl::CivilDay(12626367463883277, 3, 28);
-  EXPECT_EQ(9223372036854775807, d2 - d1);
-  d2 = d2 + 1;
-  EXPECT_EQ(-9223372036854775807 - 1, d1 - d2);
-}
-
-// 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
-  // int64_t, but the 52 extra seconds brings us back to the minimum.
-  absl::CivilSecond s1(-292277022657, 1, 27, 8, 29 - 1, 52);
-  absl::CivilSecond s2(1970, 1, 1, 0, 0 - 1, 0);
-  EXPECT_EQ(-9223372036854775807 - 1, s1 - s2);
-
-  // The difference up to the minute field would be above the maximum
-  // int64_t, but the -53 extra seconds brings us back to the maximum.
-  s1 = absl::CivilSecond(292277026596, 12, 4, 15, 30, 7 - 7);
-  s2 = absl::CivilSecond(1970, 1, 1, 0, 0, 0 - 7);
-  EXPECT_EQ(9223372036854775807, s1 - s2);
-}
-
-TEST(CivilTime, NormalizeSimpleOverflow) {
-  absl::CivilSecond cs;
-  cs = absl::CivilSecond(2013, 11, 15, 16, 32, 59 + 1);
-  EXPECT_EQ("2013-11-15T16:33:00", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 16, 59 + 1, 14);
-  EXPECT_EQ("2013-11-15T17:00:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 23 + 1, 32, 14);
-  EXPECT_EQ("2013-11-16T00:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 30 + 1, 16, 32, 14);
-  EXPECT_EQ("2013-12-01T16:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 12 + 1, 15, 16, 32, 14);
-  EXPECT_EQ("2014-01-15T16:32:14", absl::FormatCivilTime(cs));
-}
-
-TEST(CivilTime, NormalizeSimpleUnderflow) {
-  absl::CivilSecond cs;
-  cs = absl::CivilSecond(2013, 11, 15, 16, 32, 0 - 1);
-  EXPECT_EQ("2013-11-15T16:31:59", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 16, 0 - 1, 14);
-  EXPECT_EQ("2013-11-15T15:59:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 0 - 1, 32, 14);
-  EXPECT_EQ("2013-11-14T23:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 1 - 1, 16, 32, 14);
-  EXPECT_EQ("2013-10-31T16:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 1 - 1, 15, 16, 32, 14);
-  EXPECT_EQ("2012-12-15T16:32:14", absl::FormatCivilTime(cs));
-}
-
-TEST(CivilTime, NormalizeMultipleOverflow) {
-  absl::CivilSecond cs(2013, 12, 31, 23, 59, 59 + 1);
-  EXPECT_EQ("2014-01-01T00:00:00", absl::FormatCivilTime(cs));
-}
-
-TEST(CivilTime, NormalizeMultipleUnderflow) {
-  absl::CivilSecond cs(2014, 1, 1, 0, 0, 0 - 1);
-  EXPECT_EQ("2013-12-31T23:59:59", absl::FormatCivilTime(cs));
-}
-
-TEST(CivilTime, NormalizeOverflowLimits) {
-  absl::CivilSecond cs;
-
-  const int kintmax = std::numeric_limits<int>::max();
-  cs = absl::CivilSecond(0, kintmax, kintmax, kintmax, kintmax, kintmax);
-  EXPECT_EQ("185085715-11-27T12:21:07", absl::FormatCivilTime(cs));
-
-  const int kintmin = std::numeric_limits<int>::min();
-  cs = absl::CivilSecond(0, kintmin, kintmin, kintmin, kintmin, kintmin);
-  EXPECT_EQ("-185085717-10-31T10:37:52", absl::FormatCivilTime(cs));
-}
-
-TEST(CivilTime, NormalizeComplexOverflow) {
-  absl::CivilSecond cs;
-  cs = absl::CivilSecond(2013, 11, 15, 16, 32, 14 + 123456789);
-  EXPECT_EQ("2017-10-14T14:05:23", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 16, 32 + 1234567, 14);
-  EXPECT_EQ("2016-03-22T00:39:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 16 + 123456, 32, 14);
-  EXPECT_EQ("2027-12-16T16:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15 + 1234, 16, 32, 14);
-  EXPECT_EQ("2017-04-02T16:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11 + 123, 15, 16, 32, 14);
-  EXPECT_EQ("2024-02-15T16:32:14", absl::FormatCivilTime(cs));
-}
-
-TEST(CivilTime, NormalizeComplexUnderflow) {
-  absl::CivilSecond cs;
-  cs = absl::CivilSecond(1999, 3, 0, 0, 0, 0);  // year 400
-  EXPECT_EQ("1999-02-28T00:00:00", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 16, 32, 14 - 123456789);
-  EXPECT_EQ("2009-12-17T18:59:05", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 16, 32 - 1234567, 14);
-  EXPECT_EQ("2011-07-12T08:25:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15, 16 - 123456, 32, 14);
-  EXPECT_EQ("1999-10-16T16:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11, 15 - 1234, 16, 32, 14);
-  EXPECT_EQ("2010-06-30T16:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11 - 123, 15, 16, 32, 14);
-  EXPECT_EQ("2003-08-15T16:32:14", absl::FormatCivilTime(cs));
-}
-
-TEST(CivilTime, NormalizeMishmash) {
-  absl::CivilSecond cs;
-  cs = absl::CivilSecond(2013, 11 - 123, 15 + 1234, 16 - 123456, 32 + 1234567,
-                         14 - 123456789);
-  EXPECT_EQ("1991-05-09T03:06:05", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11 + 123, 15 - 1234, 16 + 123456, 32 - 1234567,
-                         14 + 123456789);
-  EXPECT_EQ("2036-05-24T05:58:23", absl::FormatCivilTime(cs));
-
-  cs = absl::CivilSecond(2013, 11, -146097 + 1, 16, 32, 14);
-  EXPECT_EQ("1613-11-01T16:32:14", absl::FormatCivilTime(cs));
-  cs = absl::CivilSecond(2013, 11 + 400 * 12, -146097 + 1, 16, 32, 14);
-  EXPECT_EQ("2013-11-01T16:32:14", absl::FormatCivilTime(cs));
-}
-
-// 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(CivilTime, NormalizeAllTheDays) {
-  absl::CivilDay expected(1970, 1, 1);
-  for (int day = 1; day <= 146097; ++day) {
-    absl::CivilSecond cs(1970, 1, day, 0, 0, 0);
-    EXPECT_EQ(expected, cs);
-    ++expected;
-  }
-}
-
-TEST(CivilTime, NormalizeWithHugeYear) {
-  absl::CivilMonth c(9223372036854775807, 1);
-  EXPECT_EQ("9223372036854775807-01", absl::FormatCivilTime(c));
-  c = c - 1;  // Causes normalization
-  EXPECT_EQ("9223372036854775806-12", absl::FormatCivilTime(c));
-
-  c = absl::CivilMonth(-9223372036854775807 - 1, 1);
-  EXPECT_EQ("-9223372036854775808-01", absl::FormatCivilTime(c));
-  c = c + 12;  // Causes normalization
-  EXPECT_EQ("-9223372036854775807-01", absl::FormatCivilTime(c));
-}
-
-TEST(CivilTime, LeapYears) {
-  const absl::CivilSecond s1(2013, 2, 28 + 1, 0, 0, 0);
-  EXPECT_EQ("2013-03-01T00:00:00", absl::FormatCivilTime(s1));
-
-  const absl::CivilSecond s2(2012, 2, 28 + 1, 0, 0, 0);
-  EXPECT_EQ("2012-02-29T00:00:00", absl::FormatCivilTime(s2));
-
-  const absl::CivilSecond s3(1900, 2, 28 + 1, 0, 0, 0);
-  EXPECT_EQ("1900-03-01T00:00:00", absl::FormatCivilTime(s3));
-
-  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 (int i = 0; i < ABSL_ARRAYSIZE(kLeapYearTable); ++i) {
-    const int y = kLeapYearTable[i].year;
-    const int m = kLeapYearTable[i].leap_day.month;
-    const int d = kLeapYearTable[i].leap_day.day;
-    const int n = kLeapYearTable[i].days;
-
-    // Tests incrementing through the leap day.
-    const absl::CivilDay feb28(y, 2, 28);
-    const absl::CivilDay next_day = feb28 + 1;
-    EXPECT_EQ(m, next_day.month());
-    EXPECT_EQ(d, next_day.day());
-
-    // Tests difference in days of leap years.
-    const absl::CivilYear year(feb28);
-    const absl::CivilYear next_year = year + 1;
-    EXPECT_EQ(n, absl::CivilDay(next_year) - absl::CivilDay(year));
-  }
-}
-
-TEST(CivilTime, FirstThursdayInMonth) {
-  const absl::CivilDay nov1(2014, 11, 1);
-  const absl::CivilDay thursday =
-      absl::NextWeekday(nov1 - 1, absl::Weekday::thursday);
-  EXPECT_EQ("2014-11-06", absl::FormatCivilTime(thursday));
-
-  // Bonus: Date of Thanksgiving in the United States
-  // Rule: Fourth Thursday of November
-  const absl::CivilDay thanksgiving = thursday +  7 * 3;
-  EXPECT_EQ("2014-11-27", absl::FormatCivilTime(thanksgiving));
-}
-
-TEST(CivilTime, DocumentationExample) {
-  absl::CivilSecond second(2015, 6, 28, 1, 2, 3);  // 2015-06-28 01:02:03
-  absl::CivilMinute minute(second);                // 2015-06-28 01:02:00
-  absl::CivilDay day(minute);                      // 2015-06-28 00:00:00
-
-  second -= 1;                    // 2015-06-28 01:02:02
-  --second;                       // 2015-06-28 01:02:01
-  EXPECT_EQ(minute, second - 1);  // Comparison between types
-  EXPECT_LT(minute, second);
-
-  // int diff = second - minute;  // ERROR: Mixed types, won't compile
-
-  absl::CivilDay june_1(2015, 6, 1);  // Pass fields to c'tor.
-  int diff = day - june_1;            // Num days between 'day' and June 1
-  EXPECT_EQ(27, diff);
-
-  // Fields smaller than alignment are floored to their minimum value.
-  absl::CivilDay day_floor(2015, 1, 2, 9, 9, 9);
-  EXPECT_EQ(0, day_floor.hour());  // 09:09:09 is floored
-  EXPECT_EQ(absl::CivilDay(2015, 1, 2), day_floor);
-
-  // Unspecified fields default to their minium value
-  absl::CivilDay day_default(2015);  // Defaults to Jan 1
-  EXPECT_EQ(absl::CivilDay(2015, 1, 1), day_default);
-
-  // Iterates all the days of June.
-  absl::CivilMonth june(day);  // CivilDay -> CivilMonth
-  absl::CivilMonth july = june + 1;
-  for (absl::CivilDay day = june_1; day < july; ++day) {
-    // ...
-  }
-}
-
-}  // namespace