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| 1 // Copyright (c) 2012 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/time.h" | |
| 6 | |
| 7 #include <time.h> | |
| 8 | |
| 9 #include "base/compiler_specific.h" | |
| 10 #include "base/threading/platform_thread.h" | |
| 11 #include "build/build_config.h" | |
| 12 #include "testing/gtest/include/gtest/gtest.h" | |
| 13 | |
| 14 using base::Time; | |
| 15 using base::TimeDelta; | |
| 16 using base::TimeTicks; | |
| 17 | |
| 18 // Specialized test fixture allowing time strings without timezones to be | |
| 19 // tested by comparing them to a known time in the local zone. | |
| 20 // See also pr_time_unittests.cc | |
| 21 class TimeTest : public testing::Test { | |
| 22 protected: | |
| 23 virtual void SetUp() OVERRIDE { | |
| 24 // Use mktime to get a time_t, and turn it into a PRTime by converting | |
| 25 // seconds to microseconds. Use 15th Oct 2007 12:45:00 local. This | |
| 26 // must be a time guaranteed to be outside of a DST fallback hour in | |
| 27 // any timezone. | |
| 28 struct tm local_comparison_tm = { | |
| 29 0, // second | |
| 30 45, // minute | |
| 31 12, // hour | |
| 32 15, // day of month | |
| 33 10 - 1, // month | |
| 34 2007 - 1900, // year | |
| 35 0, // day of week (ignored, output only) | |
| 36 0, // day of year (ignored, output only) | |
| 37 -1 // DST in effect, -1 tells mktime to figure it out | |
| 38 }; | |
| 39 | |
| 40 time_t converted_time = mktime(&local_comparison_tm); | |
| 41 ASSERT_GT(converted_time, 0); | |
| 42 comparison_time_local_ = Time::FromTimeT(converted_time); | |
| 43 | |
| 44 // time_t representation of 15th Oct 2007 12:45:00 PDT | |
| 45 comparison_time_pdt_ = Time::FromTimeT(1192477500); | |
| 46 } | |
| 47 | |
| 48 Time comparison_time_local_; | |
| 49 Time comparison_time_pdt_; | |
| 50 }; | |
| 51 | |
| 52 // Test conversions to/from time_t and exploding/unexploding. | |
| 53 TEST_F(TimeTest, TimeT) { | |
| 54 // C library time and exploded time. | |
| 55 time_t now_t_1 = time(NULL); | |
| 56 struct tm tms; | |
| 57 #if defined(OS_WIN) | |
| 58 localtime_s(&tms, &now_t_1); | |
| 59 #elif defined(OS_POSIX) | |
| 60 localtime_r(&now_t_1, &tms); | |
| 61 #endif | |
| 62 | |
| 63 // Convert to ours. | |
| 64 Time our_time_1 = Time::FromTimeT(now_t_1); | |
| 65 Time::Exploded exploded; | |
| 66 our_time_1.LocalExplode(&exploded); | |
| 67 | |
| 68 // This will test both our exploding and our time_t -> Time conversion. | |
| 69 EXPECT_EQ(tms.tm_year + 1900, exploded.year); | |
| 70 EXPECT_EQ(tms.tm_mon + 1, exploded.month); | |
| 71 EXPECT_EQ(tms.tm_mday, exploded.day_of_month); | |
| 72 EXPECT_EQ(tms.tm_hour, exploded.hour); | |
| 73 EXPECT_EQ(tms.tm_min, exploded.minute); | |
| 74 EXPECT_EQ(tms.tm_sec, exploded.second); | |
| 75 | |
| 76 // Convert exploded back to the time struct. | |
| 77 Time our_time_2 = Time::FromLocalExploded(exploded); | |
| 78 EXPECT_TRUE(our_time_1 == our_time_2); | |
| 79 | |
| 80 time_t now_t_2 = our_time_2.ToTimeT(); | |
| 81 EXPECT_EQ(now_t_1, now_t_2); | |
| 82 | |
| 83 EXPECT_EQ(10, Time().FromTimeT(10).ToTimeT()); | |
| 84 EXPECT_EQ(10.0, Time().FromTimeT(10).ToDoubleT()); | |
| 85 | |
| 86 // Conversions of 0 should stay 0. | |
| 87 EXPECT_EQ(0, Time().ToTimeT()); | |
| 88 EXPECT_EQ(0, Time::FromTimeT(0).ToInternalValue()); | |
| 89 } | |
| 90 | |
| 91 // Test conversions to/from javascript time. | |
| 92 TEST_F(TimeTest, JsTime) { | |
| 93 Time epoch = Time::FromJsTime(0.0); | |
| 94 EXPECT_EQ(epoch, Time::UnixEpoch()); | |
| 95 Time t = Time::FromJsTime(700000.3); | |
| 96 EXPECT_EQ(700.0003, t.ToDoubleT()); | |
| 97 t = Time::FromDoubleT(800.73); | |
| 98 EXPECT_EQ(800730.0, t.ToJsTime()); | |
| 99 } | |
| 100 | |
| 101 #if defined(OS_POSIX) | |
| 102 TEST_F(TimeTest, FromTimeVal) { | |
| 103 Time now = Time::Now(); | |
| 104 Time also_now = Time::FromTimeVal(now.ToTimeVal()); | |
| 105 EXPECT_EQ(now, also_now); | |
| 106 } | |
| 107 #endif // OS_POSIX | |
| 108 | |
| 109 TEST_F(TimeTest, FromExplodedWithMilliseconds) { | |
| 110 // Some platform implementations of FromExploded are liable to drop | |
| 111 // milliseconds if we aren't careful. | |
| 112 Time now = Time::NowFromSystemTime(); | |
| 113 Time::Exploded exploded1 = {0}; | |
| 114 now.UTCExplode(&exploded1); | |
| 115 exploded1.millisecond = 500; | |
| 116 Time time = Time::FromUTCExploded(exploded1); | |
| 117 Time::Exploded exploded2 = {0}; | |
| 118 time.UTCExplode(&exploded2); | |
| 119 EXPECT_EQ(exploded1.millisecond, exploded2.millisecond); | |
| 120 } | |
| 121 | |
| 122 TEST_F(TimeTest, ZeroIsSymmetric) { | |
| 123 Time zero_time(Time::FromTimeT(0)); | |
| 124 EXPECT_EQ(0, zero_time.ToTimeT()); | |
| 125 | |
| 126 EXPECT_EQ(0.0, zero_time.ToDoubleT()); | |
| 127 } | |
| 128 | |
| 129 TEST_F(TimeTest, LocalExplode) { | |
| 130 Time a = Time::Now(); | |
| 131 Time::Exploded exploded; | |
| 132 a.LocalExplode(&exploded); | |
| 133 | |
| 134 Time b = Time::FromLocalExploded(exploded); | |
| 135 | |
| 136 // The exploded structure doesn't have microseconds, and on Mac & Linux, the | |
| 137 // internal OS conversion uses seconds, which will cause truncation. So we | |
| 138 // can only make sure that the delta is within one second. | |
| 139 EXPECT_TRUE((a - b) < TimeDelta::FromSeconds(1)); | |
| 140 } | |
| 141 | |
| 142 TEST_F(TimeTest, UTCExplode) { | |
| 143 Time a = Time::Now(); | |
| 144 Time::Exploded exploded; | |
| 145 a.UTCExplode(&exploded); | |
| 146 | |
| 147 Time b = Time::FromUTCExploded(exploded); | |
| 148 EXPECT_TRUE((a - b) < TimeDelta::FromSeconds(1)); | |
| 149 } | |
| 150 | |
| 151 TEST_F(TimeTest, LocalMidnight) { | |
| 152 Time::Exploded exploded; | |
| 153 Time::Now().LocalMidnight().LocalExplode(&exploded); | |
| 154 EXPECT_EQ(0, exploded.hour); | |
| 155 EXPECT_EQ(0, exploded.minute); | |
| 156 EXPECT_EQ(0, exploded.second); | |
| 157 EXPECT_EQ(0, exploded.millisecond); | |
| 158 } | |
| 159 | |
| 160 TEST_F(TimeTest, ParseTimeTest1) { | |
| 161 time_t current_time = 0; | |
| 162 time(¤t_time); | |
| 163 | |
| 164 const int BUFFER_SIZE = 64; | |
| 165 struct tm local_time = {0}; | |
| 166 char time_buf[BUFFER_SIZE] = {0}; | |
| 167 #if defined(OS_WIN) | |
| 168 localtime_s(&local_time, ¤t_time); | |
| 169 asctime_s(time_buf, arraysize(time_buf), &local_time); | |
| 170 #elif defined(OS_POSIX) | |
| 171 localtime_r(¤t_time, &local_time); | |
| 172 asctime_r(&local_time, time_buf); | |
| 173 #endif | |
| 174 | |
| 175 Time parsed_time; | |
| 176 EXPECT_TRUE(Time::FromString(time_buf, &parsed_time)); | |
| 177 EXPECT_EQ(current_time, parsed_time.ToTimeT()); | |
| 178 } | |
| 179 | |
| 180 TEST_F(TimeTest, DayOfWeekSunday) { | |
| 181 Time time; | |
| 182 EXPECT_TRUE(Time::FromString("Sun, 06 May 2012 12:00:00 GMT", &time)); | |
| 183 Time::Exploded exploded; | |
| 184 time.UTCExplode(&exploded); | |
| 185 EXPECT_EQ(0, exploded.day_of_week); | |
| 186 } | |
| 187 | |
| 188 TEST_F(TimeTest, DayOfWeekWednesday) { | |
| 189 Time time; | |
| 190 EXPECT_TRUE(Time::FromString("Wed, 09 May 2012 12:00:00 GMT", &time)); | |
| 191 Time::Exploded exploded; | |
| 192 time.UTCExplode(&exploded); | |
| 193 EXPECT_EQ(3, exploded.day_of_week); | |
| 194 } | |
| 195 | |
| 196 TEST_F(TimeTest, DayOfWeekSaturday) { | |
| 197 Time time; | |
| 198 EXPECT_TRUE(Time::FromString("Sat, 12 May 2012 12:00:00 GMT", &time)); | |
| 199 Time::Exploded exploded; | |
| 200 time.UTCExplode(&exploded); | |
| 201 EXPECT_EQ(6, exploded.day_of_week); | |
| 202 } | |
| 203 | |
| 204 TEST_F(TimeTest, ParseTimeTest2) { | |
| 205 Time parsed_time; | |
| 206 EXPECT_TRUE(Time::FromString("Mon, 15 Oct 2007 19:45:00 GMT", &parsed_time)); | |
| 207 EXPECT_EQ(comparison_time_pdt_, parsed_time); | |
| 208 } | |
| 209 | |
| 210 TEST_F(TimeTest, ParseTimeTest3) { | |
| 211 Time parsed_time; | |
| 212 EXPECT_TRUE(Time::FromString("15 Oct 07 12:45:00", &parsed_time)); | |
| 213 EXPECT_EQ(comparison_time_local_, parsed_time); | |
| 214 } | |
| 215 | |
| 216 TEST_F(TimeTest, ParseTimeTest4) { | |
| 217 Time parsed_time; | |
| 218 EXPECT_TRUE(Time::FromString("15 Oct 07 19:45 GMT", &parsed_time)); | |
| 219 EXPECT_EQ(comparison_time_pdt_, parsed_time); | |
| 220 } | |
| 221 | |
| 222 TEST_F(TimeTest, ParseTimeTest5) { | |
| 223 Time parsed_time; | |
| 224 EXPECT_TRUE(Time::FromString("Mon Oct 15 12:45 PDT 2007", &parsed_time)); | |
| 225 EXPECT_EQ(comparison_time_pdt_, parsed_time); | |
| 226 } | |
| 227 | |
| 228 TEST_F(TimeTest, ParseTimeTest6) { | |
| 229 Time parsed_time; | |
| 230 EXPECT_TRUE(Time::FromString("Monday, Oct 15, 2007 12:45 PM", &parsed_time)); | |
| 231 EXPECT_EQ(comparison_time_local_, parsed_time); | |
| 232 } | |
| 233 | |
| 234 TEST_F(TimeTest, ParseTimeTest7) { | |
| 235 Time parsed_time; | |
| 236 EXPECT_TRUE(Time::FromString("10/15/07 12:45:00 PM", &parsed_time)); | |
| 237 EXPECT_EQ(comparison_time_local_, parsed_time); | |
| 238 } | |
| 239 | |
| 240 TEST_F(TimeTest, ParseTimeTest8) { | |
| 241 Time parsed_time; | |
| 242 EXPECT_TRUE(Time::FromString("15-OCT-2007 12:45pm", &parsed_time)); | |
| 243 EXPECT_EQ(comparison_time_local_, parsed_time); | |
| 244 } | |
| 245 | |
| 246 TEST_F(TimeTest, ParseTimeTest9) { | |
| 247 Time parsed_time; | |
| 248 EXPECT_TRUE(Time::FromString("16 Oct 2007 4:45-JST (Tuesday)", &parsed_time)); | |
| 249 EXPECT_EQ(comparison_time_pdt_, parsed_time); | |
| 250 } | |
| 251 | |
| 252 TEST_F(TimeTest, ParseTimeTest10) { | |
| 253 Time parsed_time; | |
| 254 EXPECT_TRUE(Time::FromString("15/10/07 12:45", &parsed_time)); | |
| 255 EXPECT_EQ(parsed_time, comparison_time_local_); | |
| 256 } | |
| 257 | |
| 258 // Test some of edge cases around epoch, etc. | |
| 259 TEST_F(TimeTest, ParseTimeTestEpoch0) { | |
| 260 Time parsed_time; | |
| 261 | |
| 262 // time_t == epoch == 0 | |
| 263 EXPECT_TRUE(Time::FromString("Thu Jan 01 01:00:00 +0100 1970", | |
| 264 &parsed_time)); | |
| 265 EXPECT_EQ(0, parsed_time.ToTimeT()); | |
| 266 EXPECT_TRUE(Time::FromString("Thu Jan 01 00:00:00 GMT 1970", | |
| 267 &parsed_time)); | |
| 268 EXPECT_EQ(0, parsed_time.ToTimeT()); | |
| 269 } | |
| 270 | |
| 271 TEST_F(TimeTest, ParseTimeTestEpoch1) { | |
| 272 Time parsed_time; | |
| 273 | |
| 274 // time_t == 1 second after epoch == 1 | |
| 275 EXPECT_TRUE(Time::FromString("Thu Jan 01 01:00:01 +0100 1970", | |
| 276 &parsed_time)); | |
| 277 EXPECT_EQ(1, parsed_time.ToTimeT()); | |
| 278 EXPECT_TRUE(Time::FromString("Thu Jan 01 00:00:01 GMT 1970", | |
| 279 &parsed_time)); | |
| 280 EXPECT_EQ(1, parsed_time.ToTimeT()); | |
| 281 } | |
| 282 | |
| 283 TEST_F(TimeTest, ParseTimeTestEpoch2) { | |
| 284 Time parsed_time; | |
| 285 | |
| 286 // time_t == 2 seconds after epoch == 2 | |
| 287 EXPECT_TRUE(Time::FromString("Thu Jan 01 01:00:02 +0100 1970", | |
| 288 &parsed_time)); | |
| 289 EXPECT_EQ(2, parsed_time.ToTimeT()); | |
| 290 EXPECT_TRUE(Time::FromString("Thu Jan 01 00:00:02 GMT 1970", | |
| 291 &parsed_time)); | |
| 292 EXPECT_EQ(2, parsed_time.ToTimeT()); | |
| 293 } | |
| 294 | |
| 295 TEST_F(TimeTest, ParseTimeTestEpochNeg1) { | |
| 296 Time parsed_time; | |
| 297 | |
| 298 // time_t == 1 second before epoch == -1 | |
| 299 EXPECT_TRUE(Time::FromString("Thu Jan 01 00:59:59 +0100 1970", | |
| 300 &parsed_time)); | |
| 301 EXPECT_EQ(-1, parsed_time.ToTimeT()); | |
| 302 EXPECT_TRUE(Time::FromString("Wed Dec 31 23:59:59 GMT 1969", | |
| 303 &parsed_time)); | |
| 304 EXPECT_EQ(-1, parsed_time.ToTimeT()); | |
| 305 } | |
| 306 | |
| 307 // If time_t is 32 bits, a date after year 2038 will overflow time_t and | |
| 308 // cause timegm() to return -1. The parsed time should not be 1 second | |
| 309 // before epoch. | |
| 310 TEST_F(TimeTest, ParseTimeTestEpochNotNeg1) { | |
| 311 Time parsed_time; | |
| 312 | |
| 313 EXPECT_TRUE(Time::FromString("Wed Dec 31 23:59:59 GMT 2100", | |
| 314 &parsed_time)); | |
| 315 EXPECT_NE(-1, parsed_time.ToTimeT()); | |
| 316 } | |
| 317 | |
| 318 TEST_F(TimeTest, ParseTimeTestEpochNeg2) { | |
| 319 Time parsed_time; | |
| 320 | |
| 321 // time_t == 2 seconds before epoch == -2 | |
| 322 EXPECT_TRUE(Time::FromString("Thu Jan 01 00:59:58 +0100 1970", | |
| 323 &parsed_time)); | |
| 324 EXPECT_EQ(-2, parsed_time.ToTimeT()); | |
| 325 EXPECT_TRUE(Time::FromString("Wed Dec 31 23:59:58 GMT 1969", | |
| 326 &parsed_time)); | |
| 327 EXPECT_EQ(-2, parsed_time.ToTimeT()); | |
| 328 } | |
| 329 | |
| 330 TEST_F(TimeTest, ParseTimeTestEpoch1960) { | |
| 331 Time parsed_time; | |
| 332 | |
| 333 // time_t before Epoch, in 1960 | |
| 334 EXPECT_TRUE(Time::FromString("Wed Jun 29 19:40:01 +0100 1960", | |
| 335 &parsed_time)); | |
| 336 EXPECT_EQ(-299999999, parsed_time.ToTimeT()); | |
| 337 EXPECT_TRUE(Time::FromString("Wed Jun 29 18:40:01 GMT 1960", | |
| 338 &parsed_time)); | |
| 339 EXPECT_EQ(-299999999, parsed_time.ToTimeT()); | |
| 340 EXPECT_TRUE(Time::FromString("Wed Jun 29 17:40:01 GMT 1960", | |
| 341 &parsed_time)); | |
| 342 EXPECT_EQ(-300003599, parsed_time.ToTimeT()); | |
| 343 } | |
| 344 | |
| 345 TEST_F(TimeTest, ParseTimeTestEmpty) { | |
| 346 Time parsed_time; | |
| 347 EXPECT_FALSE(Time::FromString("", &parsed_time)); | |
| 348 } | |
| 349 | |
| 350 TEST_F(TimeTest, ParseTimeTestInvalidString) { | |
| 351 Time parsed_time; | |
| 352 EXPECT_FALSE(Time::FromString("Monday morning 2000", &parsed_time)); | |
| 353 } | |
| 354 | |
| 355 TEST_F(TimeTest, ExplodeBeforeUnixEpoch) { | |
| 356 static const int kUnixEpochYear = 1970; // In case this changes (ha!). | |
| 357 Time t; | |
| 358 Time::Exploded exploded; | |
| 359 | |
| 360 t = Time::UnixEpoch() - TimeDelta::FromMicroseconds(1); | |
| 361 t.UTCExplode(&exploded); | |
| 362 EXPECT_TRUE(exploded.HasValidValues()); | |
| 363 // Should be 1969-12-31 23:59:59 999 milliseconds (and 999 microseconds). | |
| 364 EXPECT_EQ(kUnixEpochYear - 1, exploded.year); | |
| 365 EXPECT_EQ(12, exploded.month); | |
| 366 EXPECT_EQ(31, exploded.day_of_month); | |
| 367 EXPECT_EQ(23, exploded.hour); | |
| 368 EXPECT_EQ(59, exploded.minute); | |
| 369 EXPECT_EQ(59, exploded.second); | |
| 370 EXPECT_EQ(999, exploded.millisecond); | |
| 371 | |
| 372 t = Time::UnixEpoch() - TimeDelta::FromMicroseconds(1000); | |
| 373 t.UTCExplode(&exploded); | |
| 374 EXPECT_TRUE(exploded.HasValidValues()); | |
| 375 // Should be 1969-12-31 23:59:59 999 milliseconds. | |
| 376 EXPECT_EQ(kUnixEpochYear - 1, exploded.year); | |
| 377 EXPECT_EQ(12, exploded.month); | |
| 378 EXPECT_EQ(31, exploded.day_of_month); | |
| 379 EXPECT_EQ(23, exploded.hour); | |
| 380 EXPECT_EQ(59, exploded.minute); | |
| 381 EXPECT_EQ(59, exploded.second); | |
| 382 EXPECT_EQ(999, exploded.millisecond); | |
| 383 | |
| 384 t = Time::UnixEpoch() - TimeDelta::FromMicroseconds(1001); | |
| 385 t.UTCExplode(&exploded); | |
| 386 EXPECT_TRUE(exploded.HasValidValues()); | |
| 387 // Should be 1969-12-31 23:59:59 998 milliseconds (and 999 microseconds). | |
| 388 EXPECT_EQ(kUnixEpochYear - 1, exploded.year); | |
| 389 EXPECT_EQ(12, exploded.month); | |
| 390 EXPECT_EQ(31, exploded.day_of_month); | |
| 391 EXPECT_EQ(23, exploded.hour); | |
| 392 EXPECT_EQ(59, exploded.minute); | |
| 393 EXPECT_EQ(59, exploded.second); | |
| 394 EXPECT_EQ(998, exploded.millisecond); | |
| 395 | |
| 396 t = Time::UnixEpoch() - TimeDelta::FromMilliseconds(1000); | |
| 397 t.UTCExplode(&exploded); | |
| 398 EXPECT_TRUE(exploded.HasValidValues()); | |
| 399 // Should be 1969-12-31 23:59:59. | |
| 400 EXPECT_EQ(kUnixEpochYear - 1, exploded.year); | |
| 401 EXPECT_EQ(12, exploded.month); | |
| 402 EXPECT_EQ(31, exploded.day_of_month); | |
| 403 EXPECT_EQ(23, exploded.hour); | |
| 404 EXPECT_EQ(59, exploded.minute); | |
| 405 EXPECT_EQ(59, exploded.second); | |
| 406 EXPECT_EQ(0, exploded.millisecond); | |
| 407 | |
| 408 t = Time::UnixEpoch() - TimeDelta::FromMilliseconds(1001); | |
| 409 t.UTCExplode(&exploded); | |
| 410 EXPECT_TRUE(exploded.HasValidValues()); | |
| 411 // Should be 1969-12-31 23:59:58 999 milliseconds. | |
| 412 EXPECT_EQ(kUnixEpochYear - 1, exploded.year); | |
| 413 EXPECT_EQ(12, exploded.month); | |
| 414 EXPECT_EQ(31, exploded.day_of_month); | |
| 415 EXPECT_EQ(23, exploded.hour); | |
| 416 EXPECT_EQ(59, exploded.minute); | |
| 417 EXPECT_EQ(58, exploded.second); | |
| 418 EXPECT_EQ(999, exploded.millisecond); | |
| 419 | |
| 420 // Make sure we still handle at/after Unix epoch correctly. | |
| 421 t = Time::UnixEpoch(); | |
| 422 t.UTCExplode(&exploded); | |
| 423 EXPECT_TRUE(exploded.HasValidValues()); | |
| 424 // Should be 1970-12-31 00:00:00 0 milliseconds. | |
| 425 EXPECT_EQ(kUnixEpochYear, exploded.year); | |
| 426 EXPECT_EQ(1, exploded.month); | |
| 427 EXPECT_EQ(1, exploded.day_of_month); | |
| 428 EXPECT_EQ(0, exploded.hour); | |
| 429 EXPECT_EQ(0, exploded.minute); | |
| 430 EXPECT_EQ(0, exploded.second); | |
| 431 EXPECT_EQ(0, exploded.millisecond); | |
| 432 | |
| 433 t = Time::UnixEpoch() + TimeDelta::FromMicroseconds(1); | |
| 434 t.UTCExplode(&exploded); | |
| 435 EXPECT_TRUE(exploded.HasValidValues()); | |
| 436 // Should be 1970-01-01 00:00:00 0 milliseconds (and 1 microsecond). | |
| 437 EXPECT_EQ(kUnixEpochYear, exploded.year); | |
| 438 EXPECT_EQ(1, exploded.month); | |
| 439 EXPECT_EQ(1, exploded.day_of_month); | |
| 440 EXPECT_EQ(0, exploded.hour); | |
| 441 EXPECT_EQ(0, exploded.minute); | |
| 442 EXPECT_EQ(0, exploded.second); | |
| 443 EXPECT_EQ(0, exploded.millisecond); | |
| 444 | |
| 445 t = Time::UnixEpoch() + TimeDelta::FromMicroseconds(1000); | |
| 446 t.UTCExplode(&exploded); | |
| 447 EXPECT_TRUE(exploded.HasValidValues()); | |
| 448 // Should be 1970-01-01 00:00:00 1 millisecond. | |
| 449 EXPECT_EQ(kUnixEpochYear, exploded.year); | |
| 450 EXPECT_EQ(1, exploded.month); | |
| 451 EXPECT_EQ(1, exploded.day_of_month); | |
| 452 EXPECT_EQ(0, exploded.hour); | |
| 453 EXPECT_EQ(0, exploded.minute); | |
| 454 EXPECT_EQ(0, exploded.second); | |
| 455 EXPECT_EQ(1, exploded.millisecond); | |
| 456 | |
| 457 t = Time::UnixEpoch() + TimeDelta::FromMilliseconds(1000); | |
| 458 t.UTCExplode(&exploded); | |
| 459 EXPECT_TRUE(exploded.HasValidValues()); | |
| 460 // Should be 1970-01-01 00:00:01. | |
| 461 EXPECT_EQ(kUnixEpochYear, exploded.year); | |
| 462 EXPECT_EQ(1, exploded.month); | |
| 463 EXPECT_EQ(1, exploded.day_of_month); | |
| 464 EXPECT_EQ(0, exploded.hour); | |
| 465 EXPECT_EQ(0, exploded.minute); | |
| 466 EXPECT_EQ(1, exploded.second); | |
| 467 EXPECT_EQ(0, exploded.millisecond); | |
| 468 | |
| 469 t = Time::UnixEpoch() + TimeDelta::FromMilliseconds(1001); | |
| 470 t.UTCExplode(&exploded); | |
| 471 EXPECT_TRUE(exploded.HasValidValues()); | |
| 472 // Should be 1970-01-01 00:00:01 1 millisecond. | |
| 473 EXPECT_EQ(kUnixEpochYear, exploded.year); | |
| 474 EXPECT_EQ(1, exploded.month); | |
| 475 EXPECT_EQ(1, exploded.day_of_month); | |
| 476 EXPECT_EQ(0, exploded.hour); | |
| 477 EXPECT_EQ(0, exploded.minute); | |
| 478 EXPECT_EQ(1, exploded.second); | |
| 479 EXPECT_EQ(1, exploded.millisecond); | |
| 480 } | |
| 481 | |
| 482 TEST_F(TimeTest, Max) { | |
| 483 Time max = Time::Max(); | |
| 484 EXPECT_TRUE(max.is_max()); | |
| 485 EXPECT_EQ(max, Time::Max()); | |
| 486 EXPECT_GT(max, Time::Now()); | |
| 487 EXPECT_GT(max, Time()); | |
| 488 } | |
| 489 | |
| 490 TEST_F(TimeTest, MaxConversions) { | |
| 491 Time t = Time::Max(); | |
| 492 EXPECT_EQ(std::numeric_limits<int64>::max(), t.ToInternalValue()); | |
| 493 | |
| 494 t = Time::FromDoubleT(std::numeric_limits<double>::max()); | |
| 495 EXPECT_TRUE(t.is_max()); | |
| 496 EXPECT_EQ(std::numeric_limits<double>::max(), t.ToDoubleT()); | |
| 497 | |
| 498 t = Time::FromJsTime(std::numeric_limits<double>::max()); | |
| 499 EXPECT_TRUE(t.is_max()); | |
| 500 EXPECT_EQ(std::numeric_limits<double>::max(), t.ToJsTime()); | |
| 501 | |
| 502 t = Time::FromTimeT(std::numeric_limits<time_t>::max()); | |
| 503 EXPECT_TRUE(t.is_max()); | |
| 504 EXPECT_EQ(std::numeric_limits<time_t>::max(), t.ToTimeT()); | |
| 505 | |
| 506 #if defined(OS_POSIX) | |
| 507 struct timeval tval; | |
| 508 tval.tv_sec = std::numeric_limits<time_t>::max(); | |
| 509 tval.tv_usec = static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1; | |
| 510 t = Time::FromTimeVal(tval); | |
| 511 EXPECT_TRUE(t.is_max()); | |
| 512 tval = t.ToTimeVal(); | |
| 513 EXPECT_EQ(std::numeric_limits<time_t>::max(), tval.tv_sec); | |
| 514 EXPECT_EQ(static_cast<suseconds_t>(Time::kMicrosecondsPerSecond) - 1, | |
| 515 tval.tv_usec); | |
| 516 #endif | |
| 517 | |
| 518 #if defined(OS_MACOSX) | |
| 519 t = Time::FromCFAbsoluteTime(std::numeric_limits<CFAbsoluteTime>::max()); | |
| 520 EXPECT_TRUE(t.is_max()); | |
| 521 EXPECT_EQ(std::numeric_limits<CFAbsoluteTime>::max(), t.ToCFAbsoluteTime()); | |
| 522 #endif | |
| 523 | |
| 524 #if defined(OS_WIN) | |
| 525 FILETIME ftime; | |
| 526 ftime.dwHighDateTime = std::numeric_limits<DWORD>::max(); | |
| 527 ftime.dwLowDateTime = std::numeric_limits<DWORD>::max(); | |
| 528 t = Time::FromFileTime(ftime); | |
| 529 EXPECT_TRUE(t.is_max()); | |
| 530 ftime = t.ToFileTime(); | |
| 531 EXPECT_EQ(std::numeric_limits<DWORD>::max(), ftime.dwHighDateTime); | |
| 532 EXPECT_EQ(std::numeric_limits<DWORD>::max(), ftime.dwLowDateTime); | |
| 533 #endif | |
| 534 } | |
| 535 | |
| 536 #if defined(OS_MACOSX) | |
| 537 TEST_F(TimeTest, TimeTOverflow) { | |
| 538 Time t = Time::FromInternalValue(std::numeric_limits<int64>::max() - 1); | |
| 539 EXPECT_FALSE(t.is_max()); | |
| 540 EXPECT_EQ(std::numeric_limits<time_t>::max(), t.ToTimeT()); | |
| 541 } | |
| 542 #endif | |
| 543 | |
| 544 TEST(TimeTicks, Deltas) { | |
| 545 for (int index = 0; index < 50; index++) { | |
| 546 TimeTicks ticks_start = TimeTicks::Now(); | |
| 547 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(10)); | |
| 548 TimeTicks ticks_stop = TimeTicks::Now(); | |
| 549 TimeDelta delta = ticks_stop - ticks_start; | |
| 550 // Note: Although we asked for a 10ms sleep, if the | |
| 551 // time clock has a finer granularity than the Sleep() | |
| 552 // clock, it is quite possible to wakeup early. Here | |
| 553 // is how that works: | |
| 554 // Time(ms timer) Time(us timer) | |
| 555 // 5 5010 | |
| 556 // 6 6010 | |
| 557 // 7 7010 | |
| 558 // 8 8010 | |
| 559 // 9 9000 | |
| 560 // Elapsed 4ms 3990us | |
| 561 // | |
| 562 // Unfortunately, our InMilliseconds() function truncates | |
| 563 // rather than rounds. We should consider fixing this | |
| 564 // so that our averages come out better. | |
| 565 EXPECT_GE(delta.InMilliseconds(), 9); | |
| 566 EXPECT_GE(delta.InMicroseconds(), 9000); | |
| 567 EXPECT_EQ(delta.InSeconds(), 0); | |
| 568 } | |
| 569 } | |
| 570 | |
| 571 static void HighResClockTest(TimeTicks (*GetTicks)()) { | |
| 572 #if defined(OS_WIN) | |
| 573 // HighResNow doesn't work on some systems. Since the product still works | |
| 574 // even if it doesn't work, it makes this entire test questionable. | |
| 575 if (!TimeTicks::IsHighResClockWorking()) | |
| 576 return; | |
| 577 #endif | |
| 578 | |
| 579 // Why do we loop here? | |
| 580 // We're trying to measure that intervals increment in a VERY small amount | |
| 581 // of time -- less than 15ms. Unfortunately, if we happen to have a | |
| 582 // context switch in the middle of our test, the context switch could easily | |
| 583 // exceed our limit. So, we iterate on this several times. As long as we're | |
| 584 // able to detect the fine-granularity timers at least once, then the test | |
| 585 // has succeeded. | |
| 586 | |
| 587 const int kTargetGranularityUs = 15000; // 15ms | |
| 588 | |
| 589 bool success = false; | |
| 590 int retries = 100; // Arbitrary. | |
| 591 TimeDelta delta; | |
| 592 while (!success && retries--) { | |
| 593 TimeTicks ticks_start = GetTicks(); | |
| 594 // Loop until we can detect that the clock has changed. Non-HighRes timers | |
| 595 // will increment in chunks, e.g. 15ms. By spinning until we see a clock | |
| 596 // change, we detect the minimum time between measurements. | |
| 597 do { | |
| 598 delta = GetTicks() - ticks_start; | |
| 599 } while (delta.InMilliseconds() == 0); | |
| 600 | |
| 601 if (delta.InMicroseconds() <= kTargetGranularityUs) | |
| 602 success = true; | |
| 603 } | |
| 604 | |
| 605 // In high resolution mode, we expect to see the clock increment | |
| 606 // in intervals less than 15ms. | |
| 607 EXPECT_TRUE(success); | |
| 608 } | |
| 609 | |
| 610 TEST(TimeTicks, HighResNow) { | |
| 611 HighResClockTest(&TimeTicks::HighResNow); | |
| 612 } | |
| 613 | |
| 614 TEST(TimeTicks, NowFromSystemTraceTime) { | |
| 615 // Re-use HighResNow test for now since clock properties are identical. | |
| 616 HighResClockTest(&TimeTicks::NowFromSystemTraceTime); | |
| 617 } | |
| 618 | |
| 619 TEST(TimeDelta, FromAndIn) { | |
| 620 EXPECT_TRUE(TimeDelta::FromDays(2) == TimeDelta::FromHours(48)); | |
| 621 EXPECT_TRUE(TimeDelta::FromHours(3) == TimeDelta::FromMinutes(180)); | |
| 622 EXPECT_TRUE(TimeDelta::FromMinutes(2) == TimeDelta::FromSeconds(120)); | |
| 623 EXPECT_TRUE(TimeDelta::FromSeconds(2) == TimeDelta::FromMilliseconds(2000)); | |
| 624 EXPECT_TRUE(TimeDelta::FromMilliseconds(2) == | |
| 625 TimeDelta::FromMicroseconds(2000)); | |
| 626 EXPECT_EQ(13, TimeDelta::FromDays(13).InDays()); | |
| 627 EXPECT_EQ(13, TimeDelta::FromHours(13).InHours()); | |
| 628 EXPECT_EQ(13, TimeDelta::FromMinutes(13).InMinutes()); | |
| 629 EXPECT_EQ(13, TimeDelta::FromSeconds(13).InSeconds()); | |
| 630 EXPECT_EQ(13.0, TimeDelta::FromSeconds(13).InSecondsF()); | |
| 631 EXPECT_EQ(13, TimeDelta::FromMilliseconds(13).InMilliseconds()); | |
| 632 EXPECT_EQ(13.0, TimeDelta::FromMilliseconds(13).InMillisecondsF()); | |
| 633 EXPECT_EQ(13, TimeDelta::FromMicroseconds(13).InMicroseconds()); | |
| 634 } | |
| 635 | |
| 636 #if defined(OS_POSIX) | |
| 637 TEST(TimeDelta, TimeSpecConversion) { | |
| 638 struct timespec result = TimeDelta::FromSeconds(0).ToTimeSpec(); | |
| 639 EXPECT_EQ(result.tv_sec, 0); | |
| 640 EXPECT_EQ(result.tv_nsec, 0); | |
| 641 | |
| 642 result = TimeDelta::FromSeconds(1).ToTimeSpec(); | |
| 643 EXPECT_EQ(result.tv_sec, 1); | |
| 644 EXPECT_EQ(result.tv_nsec, 0); | |
| 645 | |
| 646 result = TimeDelta::FromMicroseconds(1).ToTimeSpec(); | |
| 647 EXPECT_EQ(result.tv_sec, 0); | |
| 648 EXPECT_EQ(result.tv_nsec, 1000); | |
| 649 | |
| 650 result = TimeDelta::FromMicroseconds( | |
| 651 Time::kMicrosecondsPerSecond + 1).ToTimeSpec(); | |
| 652 EXPECT_EQ(result.tv_sec, 1); | |
| 653 EXPECT_EQ(result.tv_nsec, 1000); | |
| 654 } | |
| 655 #endif // OS_POSIX | |
| 656 | |
| 657 // Our internal time format is serialized in things like databases, so it's | |
| 658 // important that it's consistent across all our platforms. We use the 1601 | |
| 659 // Windows epoch as the internal format across all platforms. | |
| 660 TEST(TimeDelta, WindowsEpoch) { | |
| 661 Time::Exploded exploded; | |
| 662 exploded.year = 1970; | |
| 663 exploded.month = 1; | |
| 664 exploded.day_of_week = 0; // Should be unusued. | |
| 665 exploded.day_of_month = 1; | |
| 666 exploded.hour = 0; | |
| 667 exploded.minute = 0; | |
| 668 exploded.second = 0; | |
| 669 exploded.millisecond = 0; | |
| 670 Time t = Time::FromUTCExploded(exploded); | |
| 671 // Unix 1970 epoch. | |
| 672 EXPECT_EQ(GG_INT64_C(11644473600000000), t.ToInternalValue()); | |
| 673 | |
| 674 // We can't test 1601 epoch, since the system time functions on Linux | |
| 675 // only compute years starting from 1900. | |
| 676 } | |
| OLD | NEW |
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Chromium Code Reviews
Issue 18063004:
Move timing files into base/time, install forwarding headers. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src