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

        public void QueueSource_should_emit_received_message_to_the_stream()
        {
            var s = this.CreateManualProbe<int>();
            var queue =
                Source.Queue<int>(10, OverflowStrategy.Fail).To(Sink.FromSubscriber(s)).Run(_materializer);
            var sub = s.ExpectSubscription();

            sub.Request(2);
            AssertSuccess(queue.OfferAsync(1));
            s.ExpectNext(1);
            AssertSuccess(queue.OfferAsync(2));
            s.ExpectNext(2);
            AssertSuccess(queue.OfferAsync(3));
            sub.Cancel();
        }