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comparison: xpcom/tests/TestTimeStamp.cpp
xpcom/tests/TestTimeStamp.cpp
- changeset 0
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| -1:000000000000 | 0:3fd07e4a9be3 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "mozilla/TimeStamp.h" | |
| 7 | |
| 8 #include "TestHarness.h" | |
| 9 | |
| 10 #include "prinrval.h" | |
| 11 #include "prthread.h" | |
| 12 | |
| 13 using mozilla::TimeStamp; | |
| 14 using mozilla::TimeDuration; | |
| 15 | |
| 16 static void Assert(bool aCond, const char* aMsg) | |
| 17 { | |
| 18 if (aCond) { | |
| 19 passed(aMsg); | |
| 20 } else { | |
| 21 fail("%s", aMsg); | |
| 22 } | |
| 23 } | |
| 24 | |
| 25 int main(int argc, char** argv) | |
| 26 { | |
| 27 ScopedXPCOM xpcom("nsTimeStamp"); | |
| 28 if (xpcom.failed()) | |
| 29 return 1; | |
| 30 | |
| 31 TimeDuration td; | |
| 32 Assert(td.ToSeconds() == 0.0, "TimeDuration default value 0"); | |
| 33 Assert(TimeDuration::FromSeconds(5).ToSeconds() == 5.0, | |
| 34 "TimeDuration FromSeconds/ToSeconds round-trip"); | |
| 35 Assert(TimeDuration::FromMilliseconds(5000).ToSeconds() == 5.0, | |
| 36 "TimeDuration FromMilliseconds/ToSeconds round-trip"); | |
| 37 Assert(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(2), | |
| 38 "TimeDuration < operator works"); | |
| 39 Assert(!(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(1)), | |
| 40 "TimeDuration < operator works"); | |
| 41 Assert(TimeDuration::FromSeconds(2) > TimeDuration::FromSeconds(1), | |
| 42 "TimeDuration > operator works"); | |
| 43 Assert(!(TimeDuration::FromSeconds(1) > TimeDuration::FromSeconds(1)), | |
| 44 "TimeDuration > operator works"); | |
| 45 Assert(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(2), | |
| 46 "TimeDuration <= operator works"); | |
| 47 Assert(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(1), | |
| 48 "TimeDuration <= operator works"); | |
| 49 Assert(!(TimeDuration::FromSeconds(2) <= TimeDuration::FromSeconds(1)), | |
| 50 "TimeDuration <= operator works"); | |
| 51 Assert(TimeDuration::FromSeconds(2) >= TimeDuration::FromSeconds(1), | |
| 52 "TimeDuration >= operator works"); | |
| 53 Assert(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(1), | |
| 54 "TimeDuration >= operator works"); | |
| 55 Assert(!(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(2)), | |
| 56 "TimeDuration >= operator works"); | |
| 57 | |
| 58 TimeStamp ts; | |
| 59 Assert(ts.IsNull(), "Default TimeStamp value null"); | |
| 60 | |
| 61 ts = TimeStamp::Now(); | |
| 62 Assert(!ts.IsNull(), "TimeStamp time value non-null"); | |
| 63 Assert((ts - ts).ToSeconds() == 0.0, "TimeStamp zero-length duration"); | |
| 64 | |
| 65 PR_Sleep(PR_SecondsToInterval(2)); | |
| 66 | |
| 67 TimeStamp ts2(TimeStamp::Now()); | |
| 68 Assert(ts2 > ts, "TimeStamp > comparison"); | |
| 69 Assert(!(ts > ts), "TimeStamp > comparison"); | |
| 70 Assert(ts < ts2, "TimeStamp < comparison"); | |
| 71 Assert(!(ts < ts), "TimeStamp < comparison"); | |
| 72 Assert(ts <= ts2, "TimeStamp <= comparison"); | |
| 73 Assert(ts <= ts, "TimeStamp <= comparison"); | |
| 74 Assert(!(ts2 <= ts), "TimeStamp <= comparison"); | |
| 75 Assert(ts2 >= ts, "TimeStamp >= comparison"); | |
| 76 Assert(ts2 >= ts, "TimeStamp >= comparison"); | |
| 77 Assert(!(ts >= ts2), "TimeStamp >= comparison"); | |
| 78 | |
| 79 // We can't be sure exactly how long PR_Sleep slept for. It should have | |
| 80 // slept for at least one second. We might have slept a lot longer due | |
| 81 // to process scheduling, but hopefully not more than 10 seconds. | |
| 82 td = ts2 - ts; | |
| 83 Assert(td.ToSeconds() > 1.0, "TimeStamp difference lower bound"); | |
| 84 Assert(td.ToSeconds() < 20.0, "TimeStamp difference upper bound"); | |
| 85 td = ts - ts2; | |
| 86 Assert(td.ToSeconds() < -1.0, "TimeStamp negative difference lower bound"); | |
| 87 Assert(td.ToSeconds() > -20.0, "TimeStamp negative difference upper bound"); | |
| 88 | |
| 89 double resolution = TimeDuration::Resolution().ToSecondsSigDigits(); | |
| 90 printf(" (platform timer resolution is ~%g s)\n", resolution); | |
| 91 Assert(0.000000001 < resolution, "Time resolution is sane"); | |
| 92 // Don't upper-bound sanity check ... although NSPR reports 1ms | |
| 93 // resolution, it might be lying, so we shouldn't compare with it | |
| 94 | |
| 95 return gFailCount > 0; | |
| 96 } |
