public async Task WaitOne_TimeoutZero_NotSignalled_ReturnsFalse()
{
var ev = new AutoResetEvent(false);
var result = await ev.WaitOne(0);
Assert.False(result);
}
public async Task WaitOne_TimeoutZero_Signalled_ReturnsTrue()
{
var ev = new AutoResetEvent(true);
var result = await ev.WaitOne(0);
Assert.True(result);
}
public async Task WaitOne_Timeout_Dispose()
{
var ev = new AutoResetEvent(false);
var result = await ev.WaitOne(10);
Assert.False(result);
ev.Dispose();
}
public async Task WaitOne_Timeout_ReturnsFalse()
{
var ev = new AutoResetEvent(false);
var stp = Stopwatch.StartNew();
var result = await ev.WaitOne(10);
stp.Stop();
Assert.False(result);
Assert.True(stp.ElapsedMilliseconds >= 10);
}
public async Task WaitOne_Cancelled_ThrowsCancel()
{
var ev = new AutoResetEvent(false);
var stp = Stopwatch.StartNew();
var cancel = new CancellationTokenSource(10);
await Assert.ThrowsAsync <TaskCanceledException>(() => ev.WaitOne(cancel.Token));
stp.Stop();
Assert.True(stp.ElapsedMilliseconds >= 10);
}
public async Task WaitOne_CancelAndTimeout_Dispose()
{
var ev = new AutoResetEvent(false);
var cancel = new CancellationTokenSource(25);
var result = await ev.WaitOne(10, cancel.Token);
await Task.Delay(25);
Assert.False(result);
ev.Dispose();
}
public async Task WaitOne_ReleasesOnce_ReturnsTrue()
{
var ev = new AutoResetEvent(false);
var stp = Stopwatch.StartNew();
Timeout(() => ev.Set(), 10);
var result = await ev.WaitOne();
stp.Stop();
Assert.True(result);
Assert.True(stp.ElapsedMilliseconds >= 10);
}
public async Task WaitOne_Cancel_Dispose()
{
var ev = new AutoResetEvent(false);
var cancel = new CancellationTokenSource(10);
try
{
await ev.WaitOne(cancel.Token);
throw new InvalidOperationException("WaitOne should throw a TaskCancelledException");
}
catch (TaskCanceledException)
{
}
ev.Dispose();
}
