Akka.Streams.Tests.Dsl.FlowPrefixAndTailSpec.PrefixAndTail_must_work_if_size_of_tak_is_equal_to_stream_size C# (CSharp) Method

        public void PrefixAndTail_must_work_if_size_of_tak_is_equal_to_stream_size()
        {
            this.AssertAllStagesStopped(() =>
            {
                var futureSink = NewHeadSink;
                var fut = Source.From(Enumerable.Range(1,10)).PrefixAndTail(10).RunWith(futureSink, Materializer);
                fut.Wait(TimeSpan.FromSeconds(3)).Should().BeTrue();
                fut.Result.Item1.ShouldAllBeEquivalentTo(Enumerable.Range(1, 10));
                var tail = fut.Result.Item2;
                var subscriber = TestSubscriber.CreateManualProbe<int>(this);
                tail.To(Sink.FromSubscriber(subscriber)).Run(Materializer);
                subscriber.ExpectSubscriptionAndComplete();
            }, Materializer);
        }