#include "wx/stopwatch.h"
#include "wx/utils.h"
+namespace
+{
+
+const long tolerance = 50; // in ms
+const int sleepTime = 500;
+
+} // anonymous namespace
+
// --------------------------------------------------------------------------
// test class
// --------------------------------------------------------------------------
CPPUNIT_TEST_SUITE( StopWatchTestCase );
CPPUNIT_TEST( Misc );
CPPUNIT_TEST( BackwardsClockBug );
+ CPPUNIT_TEST( RestartBug );
CPPUNIT_TEST_SUITE_END();
void Misc();
void BackwardsClockBug();
+ void RestartBug();
DECLARE_NO_COPY_CLASS(StopWatchTestCase)
};
void StopWatchTestCase::Misc()
{
- static const long tolerance = 100; // in ms
-
wxStopWatch sw;
long t;
+ wxLongLong usec;
sw.Pause(); // pause it immediately
- wxSleep(2);
+ // verify that almost no time elapsed
+ usec = sw.TimeInMicro();
+ WX_ASSERT_MESSAGE
+ (
+ ("Elapsed time was %" wxLongLongFmtSpec "dus", usec),
+ usec < tolerance*1000
+ );
+
+ wxSleep(1);
t = sw.Time();
// check that the stop watch doesn't advance while paused
);
sw.Resume();
- wxSleep(3);
+ wxMilliSleep(sleepTime);
t = sw.Time();
- // check that it did advance now by ~3s
+ // check that it did advance now by ~1.5s
WX_ASSERT_MESSAGE
(
("Actual time value is %ld", t),
- t > 3000 - tolerance && t < 3000 + tolerance
+ t > sleepTime - tolerance && t < sleepTime + tolerance
);
sw.Pause();
+
+ // check that this sleep won't be taken into account below
+ wxMilliSleep(sleepTime);
sw.Resume();
- wxSleep(2);
+ wxMilliSleep(sleepTime);
t = sw.Time();
// and it should advance again
WX_ASSERT_MESSAGE
(
("Actual time value is %ld", t),
- t > 5000 - tolerance && t < 5000 + tolerance
+ t > 2*sleepTime - tolerance && t < 2*sleepTime + tolerance
);
}
}
}
}
+
+void StopWatchTestCase::RestartBug()
+{
+ wxStopWatch sw;
+ sw.Pause();
+
+ // Calling Start() should resume the stopwatch if it was paused.
+ static const int offset = 5000;
+ sw.Start(offset);
+ wxMilliSleep(sleepTime);
+
+ long t = sw.Time();
+ WX_ASSERT_MESSAGE
+ (
+ ("Actual time value is %ld", t),
+ t > offset + sleepTime - tolerance &&
+ t < offset + sleepTime + tolerance
+ );
+}