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