public void AsyncBarrierOf2CompletesWhenSecondArrives(AbstractAsyncBarrier barrier)
{
var waitingTask1 = barrier.WaitAsync(CancellationToken);
waitingTask1.IsCompleted.Should().BeFalse();
var waitingTask2 = barrier.WaitAsync(CancellationToken);
waitingTask1.Status.Should().Be(TaskStatus.RanToCompletion);
waitingTask2.Status.Should().Be(TaskStatus.RanToCompletion);
waitingTask1.Should().BeSameAs(waitingTask2);
}
public void CancellationOfWaitForAsyncBarrierPropogates(AbstractAsyncBarrier barrier)
{
using (var cts = CancellationTokenSource.CreateLinkedTokenSource(CancellationToken))
{
var w = new[]
{
barrier.WaitAsync(CancellationToken),
barrier.WaitAsync(cts.Token),
barrier.WaitAsync(CancellationToken),
barrier.WaitAsync(cts.Token)
};
cts.Cancel();
w.Should().OnlyContain(x => x.IsCanceled,
"Cancellation should be synchroneously distributed to all waiters");
}
}
protected void AsyncBarrierCompletesImmediatelyForFirst(AbstractAsyncBarrier barrier)
{
var waitingTask = barrier.WaitAsync(CancellationToken);
waitingTask.Status.Should().Be(TaskStatus.RanToCompletion);
}
