base/i18n/time_formatting_unittest.cc

   1 // Copyright 2011 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/i18n/time_formatting.h"
   6
   7 #include <memory>
   8
   9 #include "base/i18n/rtl.h"
  10 #include "base/i18n/unicodestring.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "base/test/icu_test_util.h"
  13 #include "base/time/time.h"
  14 #include "build/build_config.h"
  15 #include "build/chromeos_buildflags.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17 #include "third_party/icu/source/common/unicode/uversion.h"
  18 #include "third_party/icu/source/i18n/unicode/calendar.h"
  19 #include "third_party/icu/source/i18n/unicode/timezone.h"
  20 #include "third_party/icu/source/i18n/unicode/tzfmt.h"
  21
  22 namespace base {
  23 namespace {
  24
  25 constexpr Time::Exploded kTestDateTimeExploded = {.year = 2011,
  26                                                   .month = 4,
  27                                                   .day_of_week = 6,
  28                                                   .day_of_month = 30,
  29                                                   .hour = 22,
  30                                                   .minute = 42,
  31                                                   .second = 7};
  32
  33 // Returns difference between the local time and GMT formatted as string.
  34 // This function gets |time| because the difference depends on time,
  35 // see https://en.wikipedia.org/wiki/Daylight_saving_time for details.
  36 std::u16string GetShortTimeZone(const Time& time) {
  37   UErrorCode status = U_ZERO_ERROR;
  38   std::unique_ptr<icu::TimeZone> zone(icu::TimeZone::createDefault());
  39   std::unique_ptr<icu::TimeZoneFormat> zone_formatter(
  40       icu::TimeZoneFormat::createInstance(icu::Locale::getDefault(), status));
  41   EXPECT_TRUE(U_SUCCESS(status));
  42   icu::UnicodeString name;
  43   zone_formatter->format(
  44       UTZFMT_STYLE_SPECIFIC_SHORT, *zone,
  45       static_cast<UDate>(time.InSecondsFSinceUnixEpoch() * 1000), name,
  46       nullptr);
  47   return i18n::UnicodeStringToString16(name);
  48 }
  49
  50 // Calls TimeDurationFormat() with |delta| and |width| and returns the resulting
  51 // string. On failure, adds a failed expectation and returns an empty string.
  52 std::u16string TimeDurationFormatString(const TimeDelta& delta,
  53                                         DurationFormatWidth width) {
  54   std::u16string str;
  55   EXPECT_TRUE(TimeDurationFormat(delta, width, &str))
  56       << "Failed to format " << delta.ToInternalValue() << " with width "
  57       << width;
  58   return str;
  59 }
  60
  61 // Calls TimeDurationFormatWithSeconds() with |delta| and |width| and returns
  62 // the resulting string. On failure, adds a failed expectation and returns an
  63 // empty string.
  64 std::u16string TimeDurationFormatWithSecondsString(const TimeDelta& delta,
  65                                                    DurationFormatWidth width) {
  66   std::u16string str;
  67   EXPECT_TRUE(TimeDurationFormatWithSeconds(delta, width, &str))
  68       << "Failed to format " << delta.ToInternalValue() << " with width "
  69       << width;
  70   return str;
  71 }
  72
  73 TEST(TimeFormattingTest, TimeFormatTimeOfDayDefault12h) {
  74   // Test for a locale defaulted to 12h clock.
  75   // As an instance, we use third_party/icu/source/data/locales/en.txt.
  76   test::ScopedRestoreICUDefaultLocale restore_locale;
  77   i18n::SetICUDefaultLocale("en_US");
  78   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
  79
  80   Time time;
  81   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
  82   std::u16string clock24h(u"15:42");
  83   std::u16string clock12h_pm(u"3:42\u202fPM");
  84   std::u16string clock12h(u"3:42");
  85   std::u16string clock24h_millis(u"15:42:07.000");
  86
  87   // The default is 12h clock.
  88   EXPECT_EQ(clock12h_pm, TimeFormatTimeOfDay(time));
  89   EXPECT_EQ(clock24h_millis, TimeFormatTimeOfDayWithMilliseconds(time));
  90   EXPECT_EQ(k12HourClock, GetHourClockType());
  91   // k{Keep,Drop}AmPm should not affect for 24h clock.
  92   EXPECT_EQ(clock24h,
  93             TimeFormatTimeOfDayWithHourClockType(time,
  94                                                  k24HourClock,
  95                                                  kKeepAmPm));
  96   EXPECT_EQ(clock24h,
  97             TimeFormatTimeOfDayWithHourClockType(time,
  98                                                  k24HourClock,
  99                                                  kDropAmPm));
 100   // k{Keep,Drop}AmPm affects for 12h clock.
 101   EXPECT_EQ(clock12h_pm,
 102             TimeFormatTimeOfDayWithHourClockType(time,
 103                                                  k12HourClock,
 104                                                  kKeepAmPm));
 105   EXPECT_EQ(clock12h,
 106             TimeFormatTimeOfDayWithHourClockType(time,
 107                                                  k12HourClock,
 108                                                  kDropAmPm));
 109 }
 110
 111 TEST(TimeFormattingTest, TimeFormatTimeOfDayDefault24h) {
 112   // Test for a locale defaulted to 24h clock.
 113   // As an instance, we use third_party/icu/source/data/locales/en_GB.txt.
 114   test::ScopedRestoreICUDefaultLocale restore_locale;
 115   i18n::SetICUDefaultLocale("en_GB");
 116   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 117
 118   Time time;
 119   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 120   std::u16string clock24h(u"15:42");
 121   std::u16string clock12h_pm(u"3:42\u202fpm");
 122   std::u16string clock12h(u"3:42");
 123   std::u16string clock24h_millis(u"15:42:07.000");
 124
 125   // The default is 24h clock.
 126   EXPECT_EQ(clock24h, TimeFormatTimeOfDay(time));
 127   EXPECT_EQ(clock24h_millis, TimeFormatTimeOfDayWithMilliseconds(time));
 128   EXPECT_EQ(k24HourClock, GetHourClockType());
 129   // k{Keep,Drop}AmPm should not affect for 24h clock.
 130   EXPECT_EQ(clock24h,
 131             TimeFormatTimeOfDayWithHourClockType(time,
 132                                                  k24HourClock,
 133                                                  kKeepAmPm));
 134   EXPECT_EQ(clock24h,
 135             TimeFormatTimeOfDayWithHourClockType(time,
 136                                                  k24HourClock,
 137                                                  kDropAmPm));
 138   // k{Keep,Drop}AmPm affects for 12h clock.
 139   EXPECT_EQ(clock12h_pm,
 140             TimeFormatTimeOfDayWithHourClockType(time,
 141                                                  k12HourClock,
 142                                                  kKeepAmPm));
 143   EXPECT_EQ(clock12h,
 144             TimeFormatTimeOfDayWithHourClockType(time,
 145                                                  k12HourClock,
 146                                                  kDropAmPm));
 147 }
 148
 149 TEST(TimeFormattingTest, TimeFormatTimeOfDayJP) {
 150   // Test for a locale that uses different mark than "AM" and "PM".
 151   // As an instance, we use third_party/icu/source/data/locales/ja.txt.
 152   test::ScopedRestoreICUDefaultLocale restore_locale;
 153   i18n::SetICUDefaultLocale("ja_JP");
 154   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 155
 156   Time time;
 157   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 158   std::u16string clock24h(u"15:42");
 159   std::u16string clock12h_pm(u"午後3:42");
 160   std::u16string clock12h(u"3:42");
 161
 162   // The default is 24h clock.
 163   EXPECT_EQ(clock24h, TimeFormatTimeOfDay(time));
 164   EXPECT_EQ(k24HourClock, GetHourClockType());
 165   // k{Keep,Drop}AmPm should not affect for 24h clock.
 166   EXPECT_EQ(clock24h, TimeFormatTimeOfDayWithHourClockType(time, k24HourClock,
 167                                                            kKeepAmPm));
 168   EXPECT_EQ(clock24h, TimeFormatTimeOfDayWithHourClockType(time, k24HourClock,
 169                                                            kDropAmPm));
 170   // k{Keep,Drop}AmPm affects for 12h clock.
 171   EXPECT_EQ(clock12h_pm, TimeFormatTimeOfDayWithHourClockType(
 172                              time, k12HourClock, kKeepAmPm));
 173   EXPECT_EQ(clock12h, TimeFormatTimeOfDayWithHourClockType(time, k12HourClock,
 174                                                            kDropAmPm));
 175 }
 176
 177 TEST(TimeFormattingTest, TimeFormatTimeOfDayDE) {
 178   // German uses 24h by default, but uses 'AM', 'PM' for 12h format.
 179   test::ScopedRestoreICUDefaultLocale restore_locale;
 180   i18n::SetICUDefaultLocale("de");
 181   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 182
 183   Time time;
 184   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 185   std::u16string clock24h(u"15:42");
 186   std::u16string clock12h_pm(u"3:42\u202fPM");
 187   std::u16string clock12h(u"3:42");
 188
 189   // The default is 24h clock.
 190   EXPECT_EQ(clock24h, TimeFormatTimeOfDay(time));
 191   EXPECT_EQ(k24HourClock, GetHourClockType());
 192   // k{Keep,Drop}AmPm should not affect for 24h clock.
 193   EXPECT_EQ(clock24h,
 194             TimeFormatTimeOfDayWithHourClockType(time,
 195                                                  k24HourClock,
 196                                                  kKeepAmPm));
 197   EXPECT_EQ(clock24h,
 198             TimeFormatTimeOfDayWithHourClockType(time,
 199                                                  k24HourClock,
 200                                                  kDropAmPm));
 201   // k{Keep,Drop}AmPm affects for 12h clock.
 202   EXPECT_EQ(clock12h_pm,
 203             TimeFormatTimeOfDayWithHourClockType(time,
 204                                                  k12HourClock,
 205                                                  kKeepAmPm));
 206   EXPECT_EQ(clock12h,
 207             TimeFormatTimeOfDayWithHourClockType(time,
 208                                                  k12HourClock,
 209                                                  kDropAmPm));
 210 }
 211
 212 #if BUILDFLAG(IS_CHROMEOS_ASH)
 213 TEST(TimeFormattingTest, TimeMonthYearInUTC) {
 214   // See third_party/icu/source/data/locales/en.txt.
 215   // The date patterns are "EEEE, MMMM d, y", "MMM d, y", and "M/d/yy".
 216   test::ScopedRestoreICUDefaultLocale restore_locale;
 217   i18n::SetICUDefaultLocale("en_US");
 218   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 219
 220   Time time;
 221   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 222   EXPECT_EQ(u"April 2011",
 223             TimeFormatMonthAndYearForTimeZone(time, icu::TimeZone::getGMT()));
 224   EXPECT_EQ(u"April 2011", TimeFormatMonthAndYear(time));
 225
 226   const Time::Exploded kDiffMonthsForDiffTzTime = {
 227       2011, 4, 5, 1,  // Fri, Apr 1, 2011 UTC = Thurs, March 31, 2011 US PDT.
 228       0,    0, 0, 0   // 00:00:00.000 UTC = 05:00:00 previous day US PDT.
 229   };
 230
 231   EXPECT_TRUE(Time::FromUTCExploded(kDiffMonthsForDiffTzTime, &time));
 232   EXPECT_EQ(u"April 2011",
 233             TimeFormatMonthAndYearForTimeZone(time, icu::TimeZone::getGMT()));
 234   EXPECT_EQ(u"March 2011", TimeFormatMonthAndYear(time));
 235 }
 236 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 237
 238 TEST(TimeFormattingTest, TimeFormatDateUS) {
 239   // See third_party/icu/source/data/locales/en.txt.
 240   // The date patterns are "EEEE, MMMM d, y", "MMM d, y", and "M/d/yy".
 241   test::ScopedRestoreICUDefaultLocale restore_locale;
 242   i18n::SetICUDefaultLocale("en_US");
 243   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 244
 245   Time time;
 246   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 247
 248   EXPECT_EQ(u"Apr 30, 2011", TimeFormatShortDate(time));
 249   EXPECT_EQ(u"4/30/11", TimeFormatShortDateNumeric(time));
 250
 251   EXPECT_EQ(u"4/30/11, 3:42:07\u202fPM", TimeFormatShortDateAndTime(time));
 252   EXPECT_EQ(u"4/30/11, 3:42:07\u202fPM " + GetShortTimeZone(time),
 253             TimeFormatShortDateAndTimeWithTimeZone(time));
 254
 255   EXPECT_EQ(u"April 2011", TimeFormatMonthAndYear(time));
 256
 257   EXPECT_EQ(u"Saturday, April 30, 2011 at 3:42:07\u202fPM",
 258             TimeFormatFriendlyDateAndTime(time));
 259
 260   EXPECT_EQ(u"Saturday, April 30, 2011", TimeFormatFriendlyDate(time));
 261 }
 262
 263 TEST(TimeFormattingTest, TimeFormatDateGB) {
 264   // See third_party/icu/source/data/locales/en_GB.txt.
 265   // The date patterns are "EEEE, d MMMM y", "d MMM y", and "dd/MM/yyyy".
 266   test::ScopedRestoreICUDefaultLocale restore_locale;
 267   i18n::SetICUDefaultLocale("en_GB");
 268   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 269
 270   Time time;
 271   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 272
 273   EXPECT_EQ(u"30 Apr 2011", TimeFormatShortDate(time));
 274   EXPECT_EQ(u"30/04/2011", TimeFormatShortDateNumeric(time));
 275   EXPECT_EQ(u"30/04/2011, 15:42:07", TimeFormatShortDateAndTime(time));
 276   EXPECT_EQ(u"30/04/2011, 15:42:07 " + GetShortTimeZone(time),
 277             TimeFormatShortDateAndTimeWithTimeZone(time));
 278   EXPECT_EQ(u"April 2011", TimeFormatMonthAndYear(time));
 279   EXPECT_EQ(u"Saturday, 30 April 2011 at 15:42:07",
 280             TimeFormatFriendlyDateAndTime(time));
 281   EXPECT_EQ(u"Saturday, 30 April 2011", TimeFormatFriendlyDate(time));
 282 }
 283
 284 TEST(TimeFormattingTest, TimeFormatWithPattern) {
 285   test::ScopedRestoreICUDefaultLocale restore_locale;
 286   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 287
 288   Time time;
 289   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 290
 291   i18n::SetICUDefaultLocale("en_US");
 292   EXPECT_EQ(u"Apr 30, 2011", LocalizedTimeFormatWithPattern(time, "yMMMd"));
 293   EXPECT_EQ(u"April 30 at 3:42:07\u202fPM",
 294             LocalizedTimeFormatWithPattern(time, "MMMMdjmmss"));
 295   EXPECT_EQ(
 296       "Sat! 30 Apr 2011 at 15.42+07",
 297       UnlocalizedTimeFormatWithPattern(time, "E! dd MMM y 'at' HH.mm+ss"));
 298   EXPECT_EQ("Sat! 30 Apr 2011 at 22.42+07",
 299             UnlocalizedTimeFormatWithPattern(time, "E! dd MMM y 'at' HH.mm+ss",
 300                                              icu::TimeZone::getGMT()));
 301
 302   i18n::SetICUDefaultLocale("en_GB");
 303   EXPECT_EQ(u"30 Apr 2011", LocalizedTimeFormatWithPattern(time, "yMMMd"));
 304   EXPECT_EQ(u"30 April at 15:42:07",
 305             LocalizedTimeFormatWithPattern(time, "MMMMdjmmss"));
 306   EXPECT_EQ(
 307       "Sat! 30 Apr 2011 at 15.42+07",
 308       UnlocalizedTimeFormatWithPattern(time, "E! dd MMM y 'at' HH.mm+ss"));
 309
 310   i18n::SetICUDefaultLocale("ja_JP");
 311   EXPECT_EQ(u"2011年4月30日", LocalizedTimeFormatWithPattern(time, "yMMMd"));
 312   EXPECT_EQ(u"4月30日 15:42:07",
 313             LocalizedTimeFormatWithPattern(time, "MMMMdjmmss"));
 314   EXPECT_EQ(
 315       "Sat! 30 Apr 2011 at 15.42+07",
 316       UnlocalizedTimeFormatWithPattern(time, "E! dd MMM y 'at' HH.mm+ss"));
 317 }
 318
 319 TEST(TimeFormattingTest, UnlocalizedTimeFormatWithPatternMicroseconds) {
 320   Time no_micros;
 321   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &no_micros));
 322   const Time micros = no_micros + Microseconds(987);
 323
 324   // Should support >3 'S' characters, truncating.
 325   EXPECT_EQ("07.0009", UnlocalizedTimeFormatWithPattern(micros, "ss.SSSS"));
 326   EXPECT_EQ("07.00098", UnlocalizedTimeFormatWithPattern(micros, "ss.SSSSS"));
 327   EXPECT_EQ("07.000987", UnlocalizedTimeFormatWithPattern(micros, "ss.SSSSSS"));
 328
 329   // >6 'S' characters is also valid, and should be zero-filled.
 330   EXPECT_EQ("07.0009870",
 331             UnlocalizedTimeFormatWithPattern(micros, "ss.SSSSSSS"));
 332
 333   // Quoted 'S's should be ignored.
 334   EXPECT_EQ("07.SSSSSS",
 335             UnlocalizedTimeFormatWithPattern(micros, "ss.'SSSSSS'"));
 336
 337   // Multiple substitutions are possible.
 338   EXPECT_EQ("07.000987'000987.07",
 339             UnlocalizedTimeFormatWithPattern(micros, "ss.SSSSSS''SSSSSS.ss"));
 340
 341   // All the above should still work when the number of microseconds is zero.
 342   EXPECT_EQ("07.0000", UnlocalizedTimeFormatWithPattern(no_micros, "ss.SSSS"));
 343   EXPECT_EQ("07.00000",
 344             UnlocalizedTimeFormatWithPattern(no_micros, "ss.SSSSS"));
 345   EXPECT_EQ("07.000000",
 346             UnlocalizedTimeFormatWithPattern(no_micros, "ss.SSSSSS"));
 347   EXPECT_EQ("07.0000000",
 348             UnlocalizedTimeFormatWithPattern(no_micros, "ss.SSSSSSS"));
 349   EXPECT_EQ("07.SSSSSS",
 350             UnlocalizedTimeFormatWithPattern(no_micros, "ss.'SSSSSS'"));
 351   EXPECT_EQ("07.000000'000000.07", UnlocalizedTimeFormatWithPattern(
 352                                        no_micros, "ss.SSSSSS''SSSSSS.ss"));
 353 }
 354
 355 TEST(TimeFormattingTest, TimeFormatAsIso8601) {
 356   Time time;
 357   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 358   EXPECT_EQ("2011-04-30T22:42:07.000Z", TimeFormatAsIso8601(time));
 359 }
 360
 361 TEST(TimeFormattingTest, TimeFormatHTTP) {
 362   Time time;
 363   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 364   EXPECT_EQ("Sat, 30 Apr 2011 22:42:07 GMT", TimeFormatHTTP(time));
 365 }
 366
 367 TEST(TimeFormattingTest, TimeDurationFormat) {
 368   test::ScopedRestoreICUDefaultLocale restore_locale;
 369   TimeDelta delta = Minutes(15 * 60 + 42);
 370
 371   // US English.
 372   i18n::SetICUDefaultLocale("en_US");
 373   EXPECT_EQ(u"15 hours, 42 minutes",
 374             TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
 375   EXPECT_EQ(u"15 hr, 42 min",
 376             TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
 377   EXPECT_EQ(u"15h 42m", TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
 378   EXPECT_EQ(u"15:42", TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 379
 380   // Danish, with Latin alphabet but different abbreviations and punctuation.
 381   i18n::SetICUDefaultLocale("da");
 382   EXPECT_EQ(u"15 timer og 42 minutter",
 383             TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
 384   EXPECT_EQ(u"15 t. og 42 min.",
 385             TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
 386   EXPECT_EQ(u"15 t og 42 m",
 387             TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
 388   EXPECT_EQ(u"15.42", TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 389
 390   // Persian, with non-Arabic numbers.
 391   i18n::SetICUDefaultLocale("fa");
 392   std::u16string fa_wide =
 393       u"\u06f1\u06f5 \u0633\u0627\u0639\u062a \u0648 \u06f4\u06f2 \u062f\u0642"
 394       u"\u06cc\u0642\u0647";
 395   std::u16string fa_short =
 396       u"\u06f1\u06f5 \u0633\u0627\u0639\u062a\u060c\u200f \u06f4\u06f2 \u062f"
 397       u"\u0642\u06cc\u0642\u0647";
 398   std::u16string fa_narrow = u"\u06f1\u06f5h \u06f4\u06f2m";
 399   std::u16string fa_numeric = u"\u06f1\u06f5:\u06f4\u06f2";
 400   EXPECT_EQ(fa_wide, TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
 401   EXPECT_EQ(fa_short, TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
 402   EXPECT_EQ(fa_narrow, TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
 403   EXPECT_EQ(fa_numeric,
 404             TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 405 }
 406
 407 TEST(TimeFormattingTest, TimeDurationFormatWithSeconds) {
 408   test::ScopedRestoreICUDefaultLocale restore_locale;
 409
 410   // US English.
 411   i18n::SetICUDefaultLocale("en_US");
 412
 413   // Test different formats.
 414   TimeDelta delta = Seconds(15 * 3600 + 42 * 60 + 30);
 415   EXPECT_EQ(u"15 hours, 42 minutes, 30 seconds",
 416             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 417   EXPECT_EQ(u"15 hr, 42 min, 30 sec",
 418             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 419   EXPECT_EQ(u"15h 42m 30s",
 420             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 421   EXPECT_EQ(u"15:42:30",
 422             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 423
 424   // Test edge case when hour >= 100.
 425   delta = Seconds(125 * 3600 + 42 * 60 + 30);
 426   EXPECT_EQ(u"125 hours, 42 minutes, 30 seconds",
 427             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 428   EXPECT_EQ(u"125 hr, 42 min, 30 sec",
 429             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 430   EXPECT_EQ(u"125h 42m 30s",
 431             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 432   EXPECT_EQ(u"125:42:30",
 433             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 434
 435   // Test edge case when minute = 0.
 436   delta = Seconds(15 * 3600 + 0 * 60 + 30);
 437   EXPECT_EQ(u"15 hours, 0 minutes, 30 seconds",
 438             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 439   EXPECT_EQ(u"15 hr, 0 min, 30 sec",
 440             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 441   EXPECT_EQ(u"15h 0m 30s",
 442             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 443   EXPECT_EQ(u"15:00:30",
 444             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 445
 446   // Test edge case when second = 0.
 447   delta = Seconds(15 * 3600 + 42 * 60 + 0);
 448   EXPECT_EQ(u"15 hours, 42 minutes, 0 seconds",
 449             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 450   EXPECT_EQ(u"15 hr, 42 min, 0 sec",
 451             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 452   EXPECT_EQ(u"15h 42m 0s",
 453             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 454   EXPECT_EQ(u"15:42:00",
 455             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 456 }
 457
 458 TEST(TimeFormattingTest, TimeIntervalFormat) {
 459   test::ScopedRestoreICUDefaultLocale restore_locale;
 460   i18n::SetICUDefaultLocale("en_US");
 461   test::ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 462
 463   const Time::Exploded kTestIntervalEndTimeExploded = {
 464       2011, 5,  6, 28,  // Sat, May 28, 2012
 465       22,   42, 7, 0    // 22:42:07.000
 466   };
 467
 468   Time begin_time;
 469   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &begin_time));
 470   Time end_time;
 471   EXPECT_TRUE(Time::FromUTCExploded(kTestIntervalEndTimeExploded, &end_time));
 472
 473   EXPECT_EQ(
 474       u"Saturday, April 30\u2009–\u2009Saturday, May 28",
 475       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 476
 477   const Time::Exploded kTestIntervalBeginTimeExploded = {
 478       2011, 5,  1, 16,  // Mon, May 16, 2012
 479       22,   42, 7, 0    // 22:42:07.000
 480   };
 481   EXPECT_TRUE(
 482       Time::FromUTCExploded(kTestIntervalBeginTimeExploded, &begin_time));
 483   EXPECT_EQ(
 484       u"Monday, May 16\u2009–\u2009Saturday, May 28",
 485       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 486
 487   i18n::SetICUDefaultLocale("en_GB");
 488   EXPECT_EQ(
 489       u"Monday 16\u2009–\u2009Saturday 28 May",
 490       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 491
 492   i18n::SetICUDefaultLocale("ja");
 493   EXPECT_EQ(
 494       u"5月16日(月曜日)～28日(土曜日)",
 495       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 496 }
 497
 498 }  // namespace
 499 }  // namespace base