public void OutputStreamSource_must_throw_IOException_when_writing_to_the_stream_after_the_subscriber_has_cancelled_the_reactive_stream()
{
this.AssertAllStagesStopped(() =>
{
var sourceProbe = CreateTestProbe();
var t =
TestSourceStage <ByteString, Stream> .Create(new OutputStreamSourceStage(Timeout), sourceProbe)
.ToMaterialized(this.SinkProbe <ByteString>(), Keep.Both)
.Run(_materializer);
var outputStream = t.Item1;
var probe = t.Item2;
var s = probe.ExpectSubscription();
outputStream.Write(_bytesArray, 0, _bytesArray.Length);
s.Request(1);
sourceProbe.ExpectMsg <GraphStageMessages.Pull>();
probe.ExpectNext(_byteString);
s.Cancel();
sourceProbe.ExpectMsg <GraphStageMessages.DownstreamFinish>();
Thread.Sleep(500);
outputStream.Invoking(os => os.Write(_bytesArray, 0, _bytesArray.Length)).ShouldThrow <IOException>();
}, _materializer);
}
public void QueueSource_should_remember_pull_from_downstream_to_send_offered_element_immediately()
{
this.AssertAllStagesStopped(() =>
{
var s = this.CreateManualSubscriberProbe <int>();
var probe = CreateTestProbe();
var queue = TestSourceStage <int, ISourceQueueWithComplete <int> > .Create(
new QueueSource <int>(1, OverflowStrategy.DropHead), probe)
.To(Sink.FromSubscriber(s))
.Run(_materializer);
var sub = s.ExpectSubscription();
sub.Request(1);
probe.ExpectMsg <GraphStageMessages.Pull>();
AssertSuccess(queue.OfferAsync(1));
s.ExpectNext(1);
sub.Cancel();
}, _materializer);
}