public IEnumerator StartNewAndRestart()
{
var watch = UnityStopwatch.StartNew();
Assert.True(watch.IsRunning);
yield return(null);
var elapsedSinceStart = watch.Elapsed;
Assert.True(elapsedSinceStart > TimeSpan.Zero);
const int MaxAttempts = 5; // The comparison below could fail if we get very unlucky with when the thread gets preempted
int attempt = 0;
while (true)
{
watch.Restart();
Assert.True(watch.IsRunning);
try {
Assert.True(watch.Elapsed < elapsedSinceStart);
} catch {
if (++attempt < MaxAttempts)
{
continue;
}
throw;
}
break;
}
}
public IEnumerator ConstructStartAndStop()
{
var watch = new UnityStopwatch();
Assert.False(watch.IsRunning);
watch.Start();
Assert.True(watch.IsRunning);
yield return(null);
Assert.True(watch.Elapsed > TimeSpan.Zero);
watch.Stop();
Assert.False(watch.IsRunning);
var e1 = watch.Elapsed;
yield return(null);
var e2 = watch.Elapsed;
Assert.AreEqual(e1, e2);
Assert.AreEqual((long)e1.TotalMilliseconds, (long)watch.ElapsedMilliseconds);
var t1 = watch.ElapsedTicks;
yield return(null);
var t2 = watch.ElapsedTicks;
Assert.AreEqual((long)t1, (long)t2);
}
public IEnumerator GetTimestamp()
{
var ts1 = UnityStopwatch.GetTimestamp();
yield return(null);
var ts2 = UnityStopwatch.GetTimestamp();
Assert.AreNotEqual(ts1, ts2);
}
public IEnumerator StartNewAndReset()
{
var watch = UnityStopwatch.StartNew();
Assert.True(watch.IsRunning);
watch.Start(); // should be no-op
Assert.True(watch.IsRunning);
yield return(null);
Assert.True(watch.Elapsed > TimeSpan.Zero);
watch.Reset();
Assert.False(watch.IsRunning);
Assert.AreEqual(TimeSpan.Zero, watch.Elapsed);
}
