Akka.Streams.Tests.Dsl.QueueSourceSpec.QueueSource_should_fail_stream_on_buffer_overflow_in_fail_mode C# (CSharp) Method

        public void QueueSource_should_fail_stream_on_buffer_overflow_in_fail_mode()
        {
            this.AssertAllStagesStopped(() =>
            {
                var s = this.CreateManualProbe<int>();
                var queue =
                    Source.Queue<int>(1, OverflowStrategy.Fail)
                        .To(Sink.FromSubscriber(s))
                        .Run(_materializer);
                s.ExpectSubscription();

                queue.OfferAsync(1);
                queue.OfferAsync(1);
                s.ExpectError();
            }, _materializer);
        }