public void CanBeChangedByConfigurableChannelComponents()
{
var timer = new TaskTimer();
timer.Delay = TimeSpan.FromSeconds(42);
Assert.Equal(42, timer.Delay.TotalSeconds);
}
public void CanBeSetToInfiniteToPreventTimerFromFiring()
{
var timer = new TaskTimer();
timer.Delay = new TimeSpan(0, 0, 0, 0, -1);
Assert.Equal(new TimeSpan(0, 0, 0, 0, -1), timer.Delay);
}
public void ReturnsTrueWhileUntilActionIsInvoked()
{
var timer = new TaskTimer {
Delay = TimeSpan.FromMilliseconds(1)
};
var actionStarted = new ManualResetEventSlim();
var actionCanFinish = new ManualResetEventSlim();
timer.Start(
() => Task.Factory.StartNew(
() =>
{
actionStarted.Set();
actionCanFinish.Wait();
}));
Assert.True(timer.IsStarted);
actionStarted.Wait(50);
Assert.False(timer.IsStarted);
actionCanFinish.Set();
}
private void Dispose(bool disposing)
{
if (disposing)
{
if (this.pauseTimer != null)
{
this.pauseTimer.Dispose();
this.pauseTimer = null;
}
}
}
public void InvokesActionAfterDelay()
{
var timer = new TaskTimer {
Delay = TimeSpan.FromMilliseconds(1)
};
var actionInvoked = new ManualResetEventSlim();
timer.Start(() => Task.Factory.StartNew(actionInvoked.Set));
Assert.False(actionInvoked.IsSet);
Assert.True(actionInvoked.Wait(50));
}
public void HandlesSyncExceptionThrownByTheDelegate()
{
TaskTimer timer = new TaskTimer {
Delay = TimeSpan.FromMilliseconds(1)
};
using (TestEventListener listener = new TestEventListener())
{
listener.EnableEvents(CoreEventSource.Log, EventLevel.LogAlways);
timer.Start(() => { throw new Exception(); });
Assert.NotNull(listener.Messages.FirstOrDefault());
}
}
public void AbortsPreviousAction()
{
AsyncTest.Run(async() =>
{
var timer = new TaskTimer {
Delay = TimeSpan.FromMilliseconds(1)
};
bool actionInvoked = false;
timer.Start(() => Task.Factory.StartNew(() => actionInvoked = true));
timer.Cancel();
await Task.Delay(20);
Assert.False(actionInvoked);
});
}
public void DoesNotLogErrorsIfCallbackReturnsNull()
{
using (TestEventListener listener = new TestEventListener())
{
listener.EnableEvents(CoreEventSource.Log, EventLevel.Error);
var timer = new TaskTimer {
Delay = TimeSpan.FromMilliseconds(1)
};
var actionInvoked = new ManualResetEventSlim();
timer.Start(() => { actionInvoked.Set(); return(null); });
Assert.True(actionInvoked.Wait(50));
Thread.Sleep(1000);
Assert.Null(listener.Messages.FirstOrDefault());
}
}
public void CancelsPreviousActionWhenStartIsCalledMultipleTimes()
{
var timer = new TaskTimer {
Delay = TimeSpan.FromMilliseconds(1)
};
int invokationCount = 0;
var lastActionInvoked = new ManualResetEventSlim();
timer.Start(() => Task.Factory.StartNew(() => Interlocked.Increment(ref invokationCount)));
timer.Start(
() => Task.Factory.StartNew(
() =>
{
Interlocked.Increment(ref invokationCount);
lastActionInvoked.Set();
}));
Assert.True(lastActionInvoked.Wait(50));
Assert.Equal(1, invokationCount);
}
public void ReturnsTrueWhileUntilActionIsInvoked()
{
var timer = new TaskTimer { Delay = TimeSpan.FromMilliseconds(1) };
var actionStarted = new ManualResetEventSlim();
var actionCanFinish = new ManualResetEventSlim();
timer.Start(
() => Task.Factory.StartNew(
() =>
{
actionStarted.Set();
actionCanFinish.Wait();
}));
Assert.True(timer.IsStarted);
actionStarted.Wait(50);
Assert.False(timer.IsStarted);
actionCanFinish.Set();
}
public void ReturnsFalseIfTimerWasNeverStarted()
{
var timer = new TaskTimer();
Assert.False(timer.IsStarted);
}
public void ThrowsArgumentOutOfRangeExceptionWhenNewValueIsMoreThanMaxIntMilliseconds()
{
var timer = new TaskTimer();
Assert.Throws <ArgumentOutOfRangeException>(() => timer.Delay = TimeSpan.FromMilliseconds((double)int.MaxValue + 1));
}
public void ThrowsArgumentOutOfRangeExceptionWhenNewValueIsZeroOrLess()
{
var timer = new TaskTimer();
Assert.Throws <ArgumentOutOfRangeException>(() => timer.Delay = TimeSpan.Zero);
}
public void HandlesSyncExceptionThrownByTheDelegate()
{
TaskTimer timer = new TaskTimer { Delay = TimeSpan.FromMilliseconds(1) };
using (TestEventListener listener = new TestEventListener())
{
listener.EnableEvents(CoreEventSource.Log, EventLevel.LogAlways);
timer.Start(() => { throw new Exception(); });
Assert.NotNull(listener.Messages.FirstOrDefault());
}
}
public void AbortsPreviousAction()
{
AsyncTest.Run(async () =>
{
var timer = new TaskTimer { Delay = TimeSpan.FromMilliseconds(1) };
bool actionInvoked = false;
timer.Start(() => Task.Factory.StartNew(() => actionInvoked = true));
timer.Cancel();
await TaskEx.Delay(20);
Assert.False(actionInvoked);
});
}
public void DefaultValueIsOneMinuteBecauseItHasToBeSomethingValid()
{
var timer = new TaskTimer();
Assert.Equal(TimeSpan.FromMinutes(1), timer.Delay);
}
public void ThrowsArgumentOutOfRangeExceptionWhenNewValueIsMoreThanMaxIntMilliseconds()
{
var timer = new TaskTimer();
Assert.Throws<ArgumentOutOfRangeException>(() => timer.Delay = TimeSpan.FromMilliseconds((double)int.MaxValue + 1));
}
public void CanBeChangedByConfigurableChannelComponents()
{
var timer = new TaskTimer();
timer.Delay = TimeSpan.FromSeconds(42);
Assert.Equal(42, timer.Delay.TotalSeconds);
}
public void CanBeSetToInfiniteToPreventTimerFromFiring()
{
var timer = new TaskTimer();
timer.Delay = new TimeSpan(0, 0, 0, 0, -1);
Assert.Equal(new TimeSpan(0, 0, 0, 0, -1), timer.Delay);
}
public void InvokesActionAfterDelay()
{
var timer = new TaskTimer { Delay = TimeSpan.FromMilliseconds(1) };
var actionInvoked = new ManualResetEventSlim();
timer.Start(() => Task.Factory.StartNew(actionInvoked.Set));
Assert.False(actionInvoked.IsSet);
Assert.True(actionInvoked.Wait(50));
}
public void ReturnsFalseIfTimerWasNeverStarted()
{
var timer = new TaskTimer();
Assert.False(timer.IsStarted);
}
public void CancelsPreviousActionWhenStartIsCalledMultipleTimes()
{
var timer = new TaskTimer { Delay = TimeSpan.FromMilliseconds(1) };
int invokationCount = 0;
var lastActionInvoked = new ManualResetEventSlim();
timer.Start(() => Task.Factory.StartNew(() => Interlocked.Increment(ref invokationCount)));
timer.Start(
() => Task.Factory.StartNew(
() =>
{
Interlocked.Increment(ref invokationCount);
lastActionInvoked.Set();
}));
Assert.True(lastActionInvoked.Wait(50));
Assert.Equal(1, invokationCount);
}
public void DefaultValueIsOneMinuteBecauseItHasToBeSomethingValid()
{
var timer = new TaskTimer();
Assert.Equal(TimeSpan.FromMinutes(1), timer.Delay);
}
public void DoesNotLogErrorsIfCallbackReturnsNull()
{
using (TestEventListener listener = new TestEventListener())
{
listener.EnableEvents(CoreEventSource.Log, EventLevel.Error);
var timer = new TaskTimer {Delay = TimeSpan.FromMilliseconds(1)};
var actionInvoked = new ManualResetEventSlim();
timer.Start(() => { actionInvoked.Set(); return null; });
Assert.True(actionInvoked.Wait(50));
Thread.Sleep(1000);
Assert.Null(listener.Messages.FirstOrDefault());
}
}
public void ThrowsArgumentOutOfRangeExceptionWhenNewValueIsZeroOrLess()
{
var timer = new TaskTimer();
Assert.Throws<ArgumentOutOfRangeException>(() => timer.Delay = TimeSpan.Zero);
}