base/i18n/time_formatting_unittest.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   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 "testing/gtest/include/gtest/gtest.h"
  15 #include "third_party/icu/source/common/unicode/uversion.h"
  16 #include "third_party/icu/source/i18n/unicode/calendar.h"
  17 #include "third_party/icu/source/i18n/unicode/timezone.h"
  18 #include "third_party/icu/source/i18n/unicode/tzfmt.h"
  19
  20 namespace base {
  21 namespace {
  22
  23 const Time::Exploded kTestDateTimeExploded = {
  24     2011, 4,  6, 30,  // Sat, Apr 30, 2011
  25     22,   42, 7, 0    // 22:42:07.000 in UTC = 15:42:07 in US PDT.
  26 };
  27
  28 // Returns difference between the local time and GMT formatted as string.
  29 // This function gets |time| because the difference depends on time,
  30 // see https://en.wikipedia.org/wiki/Daylight_saving_time for details.
  31 string16 GetShortTimeZone(const Time& time) {
  32   UErrorCode status = U_ZERO_ERROR;
  33   std::unique_ptr<icu::TimeZone> zone(icu::TimeZone::createDefault());
  34   std::unique_ptr<icu::TimeZoneFormat> zone_formatter(
  35       icu::TimeZoneFormat::createInstance(icu::Locale::getDefault(), status));
  36   EXPECT_TRUE(U_SUCCESS(status));
  37   icu::UnicodeString name;
  38   zone_formatter->format(UTZFMT_STYLE_SPECIFIC_SHORT, *zone,
  39                          static_cast<UDate>(time.ToDoubleT() * 1000),
  40                          name, nullptr);
  41   return i18n::UnicodeStringToString16(name);
  42 }
  43
  44 // Calls TimeDurationFormat() with |delta| and |width| and returns the resulting
  45 // string. On failure, adds a failed expectation and returns an empty string.
  46 string16 TimeDurationFormatString(const TimeDelta& delta,
  47                                   DurationFormatWidth width) {
  48   string16 str;
  49   EXPECT_TRUE(TimeDurationFormat(delta, width, &str))
  50       << "Failed to format " << delta.ToInternalValue() << " with width "
  51       << width;
  52   return str;
  53 }
  54
  55 // Calls TimeDurationFormatWithSeconds() with |delta| and |width| and returns
  56 // the resulting string. On failure, adds a failed expectation and returns an
  57 // empty string.
  58 string16 TimeDurationFormatWithSecondsString(const TimeDelta& delta,
  59                                              DurationFormatWidth width) {
  60   string16 str;
  61   EXPECT_TRUE(TimeDurationFormatWithSeconds(delta, width, &str))
  62       << "Failed to format " << delta.ToInternalValue() << " with width "
  63       << width;
  64   return str;
  65 }
  66
  67 class ScopedRestoreDefaultTimezone {
  68  public:
  69   ScopedRestoreDefaultTimezone(const char* zoneid) {
  70     original_zone_.reset(icu::TimeZone::createDefault());
  71     icu::TimeZone::adoptDefault(icu::TimeZone::createTimeZone(zoneid));
  72   }
  73   ~ScopedRestoreDefaultTimezone() {
  74     icu::TimeZone::adoptDefault(original_zone_.release());
  75   }
  76
  77   ScopedRestoreDefaultTimezone(const ScopedRestoreDefaultTimezone&) = delete;
  78   ScopedRestoreDefaultTimezone& operator=(const ScopedRestoreDefaultTimezone&) =
  79       delete;
  80
  81  private:
  82   std::unique_ptr<icu::TimeZone> original_zone_;
  83 };
  84
  85 TEST(TimeFormattingTest, TimeFormatTimeOfDayDefault12h) {
  86   // Test for a locale defaulted to 12h clock.
  87   // As an instance, we use third_party/icu/source/data/locales/en.txt.
  88   test::ScopedRestoreICUDefaultLocale restore_locale;
  89   i18n::SetICUDefaultLocale("en_US");
  90   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
  91
  92   Time time;
  93   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
  94   string16 clock24h(ASCIIToUTF16("15:42"));
  95   string16 clock12h_pm(ASCIIToUTF16("3:42 PM"));
  96   string16 clock12h(ASCIIToUTF16("3:42"));
  97   string16 clock24h_millis(ASCIIToUTF16("15:42:07.000"));
  98
  99   // The default is 12h clock.
 100   EXPECT_EQ(clock12h_pm, TimeFormatTimeOfDay(time));
 101   EXPECT_EQ(clock24h_millis, TimeFormatTimeOfDayWithMilliseconds(time));
 102   EXPECT_EQ(k12HourClock, GetHourClockType());
 103   // k{Keep,Drop}AmPm should not affect for 24h clock.
 104   EXPECT_EQ(clock24h,
 105             TimeFormatTimeOfDayWithHourClockType(time,
 106                                                  k24HourClock,
 107                                                  kKeepAmPm));
 108   EXPECT_EQ(clock24h,
 109             TimeFormatTimeOfDayWithHourClockType(time,
 110                                                  k24HourClock,
 111                                                  kDropAmPm));
 112   // k{Keep,Drop}AmPm affects for 12h clock.
 113   EXPECT_EQ(clock12h_pm,
 114             TimeFormatTimeOfDayWithHourClockType(time,
 115                                                  k12HourClock,
 116                                                  kKeepAmPm));
 117   EXPECT_EQ(clock12h,
 118             TimeFormatTimeOfDayWithHourClockType(time,
 119                                                  k12HourClock,
 120                                                  kDropAmPm));
 121 }
 122
 123 TEST(TimeFormattingTest, TimeFormatTimeOfDayDefault24h) {
 124   // Test for a locale defaulted to 24h clock.
 125   // As an instance, we use third_party/icu/source/data/locales/en_GB.txt.
 126   test::ScopedRestoreICUDefaultLocale restore_locale;
 127   i18n::SetICUDefaultLocale("en_GB");
 128   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 129
 130   Time time;
 131   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 132   string16 clock24h(ASCIIToUTF16("15:42"));
 133   string16 clock12h_pm(ASCIIToUTF16("3:42 pm"));
 134   string16 clock12h(ASCIIToUTF16("3:42"));
 135   string16 clock24h_millis(ASCIIToUTF16("15:42:07.000"));
 136
 137   // The default is 24h clock.
 138   EXPECT_EQ(clock24h, TimeFormatTimeOfDay(time));
 139   EXPECT_EQ(clock24h_millis, TimeFormatTimeOfDayWithMilliseconds(time));
 140   EXPECT_EQ(k24HourClock, GetHourClockType());
 141   // k{Keep,Drop}AmPm should not affect for 24h clock.
 142   EXPECT_EQ(clock24h,
 143             TimeFormatTimeOfDayWithHourClockType(time,
 144                                                  k24HourClock,
 145                                                  kKeepAmPm));
 146   EXPECT_EQ(clock24h,
 147             TimeFormatTimeOfDayWithHourClockType(time,
 148                                                  k24HourClock,
 149                                                  kDropAmPm));
 150   // k{Keep,Drop}AmPm affects for 12h clock.
 151   EXPECT_EQ(clock12h_pm,
 152             TimeFormatTimeOfDayWithHourClockType(time,
 153                                                  k12HourClock,
 154                                                  kKeepAmPm));
 155   EXPECT_EQ(clock12h,
 156             TimeFormatTimeOfDayWithHourClockType(time,
 157                                                  k12HourClock,
 158                                                  kDropAmPm));
 159 }
 160
 161 TEST(TimeFormattingTest, TimeFormatTimeOfDayJP) {
 162   // Test for a locale that uses different mark than "AM" and "PM".
 163   // As an instance, we use third_party/icu/source/data/locales/ja.txt.
 164   test::ScopedRestoreICUDefaultLocale restore_locale;
 165   i18n::SetICUDefaultLocale("ja_JP");
 166   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 167
 168   Time time;
 169   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 170   string16 clock24h(ASCIIToUTF16("15:42"));
 171   string16 clock12h_pm(UTF8ToUTF16(u8"午後3:42"));
 172   string16 clock12h(ASCIIToUTF16("3:42"));
 173
 174   // The default is 24h clock.
 175   EXPECT_EQ(clock24h, TimeFormatTimeOfDay(time));
 176   EXPECT_EQ(k24HourClock, GetHourClockType());
 177   // k{Keep,Drop}AmPm should not affect for 24h clock.
 178   EXPECT_EQ(clock24h, TimeFormatTimeOfDayWithHourClockType(time, k24HourClock,
 179                                                            kKeepAmPm));
 180   EXPECT_EQ(clock24h, TimeFormatTimeOfDayWithHourClockType(time, k24HourClock,
 181                                                            kDropAmPm));
 182   // k{Keep,Drop}AmPm affects for 12h clock.
 183   EXPECT_EQ(clock12h_pm, TimeFormatTimeOfDayWithHourClockType(
 184                              time, k12HourClock, kKeepAmPm));
 185   EXPECT_EQ(clock12h, TimeFormatTimeOfDayWithHourClockType(time, k12HourClock,
 186                                                            kDropAmPm));
 187 }
 188
 189 TEST(TimeFormattingTest, TimeFormatTimeOfDayDE) {
 190   // German uses 24h by default, but uses 'AM', 'PM' for 12h format.
 191   test::ScopedRestoreICUDefaultLocale restore_locale;
 192   i18n::SetICUDefaultLocale("de");
 193   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 194
 195   Time time;
 196   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 197   string16 clock24h(ASCIIToUTF16("15:42"));
 198   string16 clock12h_pm(UTF8ToUTF16("3:42 PM"));
 199   string16 clock12h(ASCIIToUTF16("3:42"));
 200
 201   // The default is 24h clock.
 202   EXPECT_EQ(clock24h, TimeFormatTimeOfDay(time));
 203   EXPECT_EQ(k24HourClock, GetHourClockType());
 204   // k{Keep,Drop}AmPm should not affect for 24h clock.
 205   EXPECT_EQ(clock24h,
 206             TimeFormatTimeOfDayWithHourClockType(time,
 207                                                  k24HourClock,
 208                                                  kKeepAmPm));
 209   EXPECT_EQ(clock24h,
 210             TimeFormatTimeOfDayWithHourClockType(time,
 211                                                  k24HourClock,
 212                                                  kDropAmPm));
 213   // k{Keep,Drop}AmPm affects for 12h clock.
 214   EXPECT_EQ(clock12h_pm,
 215             TimeFormatTimeOfDayWithHourClockType(time,
 216                                                  k12HourClock,
 217                                                  kKeepAmPm));
 218   EXPECT_EQ(clock12h,
 219             TimeFormatTimeOfDayWithHourClockType(time,
 220                                                  k12HourClock,
 221                                                  kDropAmPm));
 222 }
 223
 224 TEST(TimeFormattingTest, TimeFormatDateUS) {
 225   // See third_party/icu/source/data/locales/en.txt.
 226   // The date patterns are "EEEE, MMMM d, y", "MMM d, y", and "M/d/yy".
 227   test::ScopedRestoreICUDefaultLocale restore_locale;
 228   i18n::SetICUDefaultLocale("en_US");
 229   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 230
 231   Time time;
 232   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 233
 234   EXPECT_EQ(ASCIIToUTF16("Apr 30, 2011"), TimeFormatShortDate(time));
 235   EXPECT_EQ(ASCIIToUTF16("4/30/11"), TimeFormatShortDateNumeric(time));
 236
 237   EXPECT_EQ(ASCIIToUTF16("4/30/11, 3:42:07 PM"),
 238             TimeFormatShortDateAndTime(time));
 239   EXPECT_EQ(ASCIIToUTF16("4/30/11, 3:42:07 PM ") + GetShortTimeZone(time),
 240             TimeFormatShortDateAndTimeWithTimeZone(time));
 241
 242   EXPECT_EQ(ASCIIToUTF16("April 2011"), TimeFormatMonthAndYear(time));
 243
 244   EXPECT_EQ(ASCIIToUTF16("Saturday, April 30, 2011 at 3:42:07 PM"),
 245             TimeFormatFriendlyDateAndTime(time));
 246
 247   EXPECT_EQ(ASCIIToUTF16("Saturday, April 30, 2011"),
 248             TimeFormatFriendlyDate(time));
 249 }
 250
 251 TEST(TimeFormattingTest, TimeFormatDateGB) {
 252   // See third_party/icu/source/data/locales/en_GB.txt.
 253   // The date patterns are "EEEE, d MMMM y", "d MMM y", and "dd/MM/yyyy".
 254   test::ScopedRestoreICUDefaultLocale restore_locale;
 255   i18n::SetICUDefaultLocale("en_GB");
 256   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 257
 258   Time time;
 259   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 260
 261   EXPECT_EQ(ASCIIToUTF16("30 Apr 2011"), TimeFormatShortDate(time));
 262   EXPECT_EQ(ASCIIToUTF16("30/04/2011"), TimeFormatShortDateNumeric(time));
 263   EXPECT_EQ(ASCIIToUTF16("30/04/2011, 15:42:07"),
 264             TimeFormatShortDateAndTime(time));
 265   EXPECT_EQ(ASCIIToUTF16("30/04/2011, 15:42:07 ") + GetShortTimeZone(time),
 266             TimeFormatShortDateAndTimeWithTimeZone(time));
 267   EXPECT_EQ(ASCIIToUTF16("April 2011"), TimeFormatMonthAndYear(time));
 268   EXPECT_EQ(ASCIIToUTF16("Saturday, 30 April 2011 at 15:42:07"),
 269             TimeFormatFriendlyDateAndTime(time));
 270   EXPECT_EQ(ASCIIToUTF16("Saturday, 30 April 2011"),
 271             TimeFormatFriendlyDate(time));
 272 }
 273
 274 TEST(TimeFormattingTest, TimeFormatWithPattern) {
 275   test::ScopedRestoreICUDefaultLocale restore_locale;
 276   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 277
 278   Time time;
 279   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &time));
 280
 281   i18n::SetICUDefaultLocale("en_US");
 282   EXPECT_EQ(ASCIIToUTF16("Apr 30, 2011"), TimeFormatWithPattern(time, "yMMMd"));
 283   EXPECT_EQ(ASCIIToUTF16("April 30, 3:42:07 PM"),
 284             TimeFormatWithPattern(time, "MMMMdjmmss"));
 285
 286   i18n::SetICUDefaultLocale("en_GB");
 287   EXPECT_EQ(ASCIIToUTF16("30 Apr 2011"), TimeFormatWithPattern(time, "yMMMd"));
 288   EXPECT_EQ(ASCIIToUTF16("30 April, 15:42:07"),
 289             TimeFormatWithPattern(time, "MMMMdjmmss"));
 290
 291   i18n::SetICUDefaultLocale("ja_JP");
 292   EXPECT_EQ(UTF8ToUTF16(u8"2011年4月30日"),
 293             TimeFormatWithPattern(time, "yMMMd"));
 294   EXPECT_EQ(UTF8ToUTF16(u8"4月30日 15:42:07"),
 295             TimeFormatWithPattern(time, "MMMMdjmmss"));
 296 }
 297
 298 TEST(TimeFormattingTest, TimeDurationFormat) {
 299   test::ScopedRestoreICUDefaultLocale restore_locale;
 300   TimeDelta delta = TimeDelta::FromMinutes(15 * 60 + 42);
 301
 302   // US English.
 303   i18n::SetICUDefaultLocale("en_US");
 304   EXPECT_EQ(ASCIIToUTF16("15 hours, 42 minutes"),
 305             TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
 306   EXPECT_EQ(ASCIIToUTF16("15 hr, 42 min"),
 307             TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
 308   EXPECT_EQ(ASCIIToUTF16("15h 42m"),
 309             TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
 310   EXPECT_EQ(ASCIIToUTF16("15:42"),
 311             TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 312
 313   // Danish, with Latin alphabet but different abbreviations and punctuation.
 314   i18n::SetICUDefaultLocale("da");
 315   EXPECT_EQ(ASCIIToUTF16("15 timer og 42 minutter"),
 316             TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
 317   EXPECT_EQ(ASCIIToUTF16("15 t og 42 min."),
 318             TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
 319   EXPECT_EQ(ASCIIToUTF16("15 t og 42 min"),
 320             TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
 321   EXPECT_EQ(ASCIIToUTF16("15.42"),
 322             TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 323
 324   // Persian, with non-Arabic numbers.
 325   i18n::SetICUDefaultLocale("fa");
 326   string16 fa_wide = UTF8ToUTF16(
 327       u8"\u06f1\u06f5 \u0633\u0627\u0639\u062a \u0648 \u06f4\u06f2 \u062f\u0642"
 328       u8"\u06cc\u0642\u0647");
 329   string16 fa_short = UTF8ToUTF16(
 330       u8"\u06f1\u06f5 \u0633\u0627\u0639\u062a\u060c\u200f \u06f4\u06f2 \u062f"
 331       u8"\u0642\u06cc\u0642\u0647");
 332   string16 fa_narrow = UTF8ToUTF16(
 333       u8"\u06f1\u06f5 \u0633\u0627\u0639\u062a \u06f4\u06f2 \u062f\u0642\u06cc"
 334       u8"\u0642\u0647");
 335   string16 fa_numeric = UTF8ToUTF16(u8"\u06f1\u06f5:\u06f4\u06f2");
 336   EXPECT_EQ(fa_wide, TimeDurationFormatString(delta, DURATION_WIDTH_WIDE));
 337   EXPECT_EQ(fa_short, TimeDurationFormatString(delta, DURATION_WIDTH_SHORT));
 338   EXPECT_EQ(fa_narrow, TimeDurationFormatString(delta, DURATION_WIDTH_NARROW));
 339   EXPECT_EQ(fa_numeric,
 340             TimeDurationFormatString(delta, DURATION_WIDTH_NUMERIC));
 341 }
 342
 343 TEST(TimeFormattingTest, TimeDurationFormatWithSeconds) {
 344   test::ScopedRestoreICUDefaultLocale restore_locale;
 345
 346   // US English.
 347   i18n::SetICUDefaultLocale("en_US");
 348
 349   // Test different formats.
 350   TimeDelta delta = TimeDelta::FromSeconds(15 * 3600 + 42 * 60 + 30);
 351   EXPECT_EQ(ASCIIToUTF16("15 hours, 42 minutes, 30 seconds"),
 352             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 353   EXPECT_EQ(ASCIIToUTF16("15 hr, 42 min, 30 sec"),
 354             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 355   EXPECT_EQ(ASCIIToUTF16("15h 42m 30s"),
 356             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 357   EXPECT_EQ(ASCIIToUTF16("15:42:30"),
 358             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 359
 360   // Test edge case when hour >= 100.
 361   delta = TimeDelta::FromSeconds(125 * 3600 + 42 * 60 + 30);
 362   EXPECT_EQ(ASCIIToUTF16("125 hours, 42 minutes, 30 seconds"),
 363             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 364   EXPECT_EQ(ASCIIToUTF16("125 hr, 42 min, 30 sec"),
 365             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 366   EXPECT_EQ(ASCIIToUTF16("125h 42m 30s"),
 367             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 368
 369   // Test edge case when minute = 0.
 370   delta = TimeDelta::FromSeconds(15 * 3600 + 0 * 60 + 30);
 371   EXPECT_EQ(ASCIIToUTF16("15 hours, 0 minutes, 30 seconds"),
 372             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 373   EXPECT_EQ(ASCIIToUTF16("15 hr, 0 min, 30 sec"),
 374             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 375   EXPECT_EQ(ASCIIToUTF16("15h 0m 30s"),
 376             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 377   EXPECT_EQ(ASCIIToUTF16("15:00:30"),
 378             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 379
 380   // Test edge case when second = 0.
 381   delta = TimeDelta::FromSeconds(15 * 3600 + 42 * 60 + 0);
 382   EXPECT_EQ(ASCIIToUTF16("15 hours, 42 minutes, 0 seconds"),
 383             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_WIDE));
 384   EXPECT_EQ(ASCIIToUTF16("15 hr, 42 min, 0 sec"),
 385             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_SHORT));
 386   EXPECT_EQ(ASCIIToUTF16("15h 42m 0s"),
 387             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NARROW));
 388   EXPECT_EQ(ASCIIToUTF16("15:42:00"),
 389             TimeDurationFormatWithSecondsString(delta, DURATION_WIDTH_NUMERIC));
 390 }
 391
 392 TEST(TimeFormattingTest, TimeIntervalFormat) {
 393   test::ScopedRestoreICUDefaultLocale restore_locale;
 394   i18n::SetICUDefaultLocale("en_US");
 395   ScopedRestoreDefaultTimezone la_time("America/Los_Angeles");
 396
 397   const Time::Exploded kTestIntervalEndTimeExploded = {
 398       2011, 5,  6, 28,  // Sat, May 28, 2012
 399       22,   42, 7, 0    // 22:42:07.000
 400   };
 401
 402   Time begin_time;
 403   EXPECT_TRUE(Time::FromUTCExploded(kTestDateTimeExploded, &begin_time));
 404   Time end_time;
 405   EXPECT_TRUE(Time::FromUTCExploded(kTestIntervalEndTimeExploded, &end_time));
 406
 407   EXPECT_EQ(
 408       UTF8ToUTF16(u8"Saturday, April 30 – Saturday, May 28"),
 409       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 410
 411   const Time::Exploded kTestIntervalBeginTimeExploded = {
 412       2011, 5,  1, 16,  // Mon, May 16, 2012
 413       22,   42, 7, 0    // 22:42:07.000
 414   };
 415   EXPECT_TRUE(
 416       Time::FromUTCExploded(kTestIntervalBeginTimeExploded, &begin_time));
 417   EXPECT_EQ(
 418       UTF8ToUTF16(u8"Monday, May 16 – Saturday, May 28"),
 419       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 420
 421   i18n::SetICUDefaultLocale("en_GB");
 422   EXPECT_EQ(
 423       UTF8ToUTF16(u8"Monday 16 – Saturday 28 May"),
 424       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 425
 426   i18n::SetICUDefaultLocale("ja");
 427   EXPECT_EQ(
 428       UTF8ToUTF16(u8"5月16日(月曜日)～28日(土曜日)"),
 429       DateIntervalFormat(begin_time, end_time, DATE_FORMAT_MONTH_WEEKDAY_DAY));
 430 }
 431
 432 }  // namespace
 433 }  // namespace base