public async Task SignalAndWaitFromTwo()
{
var evt = new AsyncCountdownEvent(2);
var first = evt.SignalAndWaitAsync();
Assert.False(first.IsCompleted);
var second = evt.SignalAndWaitAsync();
await Task.WhenAll(first, second);
}
public void SignalAndWaitSynchronousBlockDoesNotHang()
{
SynchronizationContext.SetSynchronizationContext(SingleThreadedSynchronizationContext.New());
var evt = new AsyncCountdownEvent(1);
Assert.True(evt.SignalAndWaitAsync().Wait(AsyncDelay), "Hang");
}
public void SignalAndWaitAsyncReturnsFaultedTaskOnError()
{
var evt = new AsyncCountdownEvent(0);
var result = evt.SignalAndWaitAsync();
Assert.True(result.IsFaulted);
Assert.IsType(typeof(InvalidOperationException), result.Exception.InnerException);
}
public async Task SignalAndWaitFromOne()
{
var evt = new AsyncCountdownEvent(1);
await evt.SignalAndWaitAsync();
}