зеркало из https://github.com/mozilla/pjs.git
97 строки
3.9 KiB
C++
97 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/TimeStamp.h"
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#include "TestHarness.h"
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#include "prinrval.h"
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#include "prthread.h"
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using mozilla::TimeStamp;
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using mozilla::TimeDuration;
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static void Assert(bool aCond, const char* aMsg)
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{
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if (aCond) {
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passed(aMsg);
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} else {
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fail("%s", aMsg);
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}
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}
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int main(int argc, char** argv)
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{
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ScopedXPCOM xpcom("nsTimeStamp");
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if (xpcom.failed())
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return 1;
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TimeDuration td;
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Assert(td.ToSeconds() == 0.0, "TimeDuration default value 0");
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Assert(TimeDuration::FromSeconds(5).ToSeconds() == 5.0,
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"TimeDuration FromSeconds/ToSeconds round-trip");
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Assert(TimeDuration::FromMilliseconds(5000).ToSeconds() == 5.0,
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"TimeDuration FromMilliseconds/ToSeconds round-trip");
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Assert(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(2),
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"TimeDuration < operator works");
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Assert(!(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(1)),
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"TimeDuration < operator works");
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Assert(TimeDuration::FromSeconds(2) > TimeDuration::FromSeconds(1),
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"TimeDuration > operator works");
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Assert(!(TimeDuration::FromSeconds(1) > TimeDuration::FromSeconds(1)),
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"TimeDuration > operator works");
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Assert(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(2),
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"TimeDuration <= operator works");
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Assert(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(1),
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"TimeDuration <= operator works");
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Assert(!(TimeDuration::FromSeconds(2) <= TimeDuration::FromSeconds(1)),
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"TimeDuration <= operator works");
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Assert(TimeDuration::FromSeconds(2) >= TimeDuration::FromSeconds(1),
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"TimeDuration >= operator works");
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Assert(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(1),
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"TimeDuration >= operator works");
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Assert(!(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(2)),
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"TimeDuration >= operator works");
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TimeStamp ts;
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Assert(ts.IsNull(), "Default TimeStamp value null");
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ts = TimeStamp::Now();
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Assert(!ts.IsNull(), "TimeStamp time value non-null");
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Assert((ts - ts).ToSeconds() == 0.0, "TimeStamp zero-length duration");
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PR_Sleep(PR_SecondsToInterval(2));
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TimeStamp ts2(TimeStamp::Now());
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Assert(ts2 > ts, "TimeStamp > comparison");
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Assert(!(ts > ts), "TimeStamp > comparison");
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Assert(ts < ts2, "TimeStamp < comparison");
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Assert(!(ts < ts), "TimeStamp < comparison");
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Assert(ts <= ts2, "TimeStamp <= comparison");
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Assert(ts <= ts, "TimeStamp <= comparison");
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Assert(!(ts2 <= ts), "TimeStamp <= comparison");
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Assert(ts2 >= ts, "TimeStamp >= comparison");
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Assert(ts2 >= ts, "TimeStamp >= comparison");
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Assert(!(ts >= ts2), "TimeStamp >= comparison");
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// We can't be sure exactly how long PR_Sleep slept for. It should have
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// slept for at least one second. We might have slept a lot longer due
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// to process scheduling, but hopefully not more than 10 seconds.
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td = ts2 - ts;
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Assert(td.ToSeconds() > 1.0, "TimeStamp difference lower bound");
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Assert(td.ToSeconds() < 20.0, "TimeStamp difference upper bound");
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td = ts - ts2;
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Assert(td.ToSeconds() < -1.0, "TimeStamp negative difference lower bound");
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Assert(td.ToSeconds() > -20.0, "TimeStamp negative difference upper bound");
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double resolution = TimeDuration::Resolution().ToSecondsSigDigits();
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printf(" (platform timer resolution is ~%g s)\n", resolution);
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Assert(0.000000001 < resolution, "Time resolution is sane");
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// Don't upper-bound sanity check ... although NSPR reports 1ms
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// resolution, it might be lying, so we shouldn't compare with it
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return gFailCount > 0;
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}
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