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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 } | |
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