Akka.Streams.Tests.Dsl.FlowGroupedWithinSpec.A_GroupedWithin_must_drop_empty_groups C# (CSharp) Метод

        public void A_GroupedWithin_must_drop_empty_groups()
        {
            var p = TestPublisher.CreateManualProbe<int>(this);
            var c = TestSubscriber.CreateManualProbe<IEnumerable<int>>(this);

            Source.FromPublisher(p)
                .GroupedWithin(1000, TimeSpan.FromMilliseconds(500))
                .To(Sink.FromSubscriber(c))
                .Run(Materializer);

            var pSub = p.ExpectSubscription();
            var cSub = c.ExpectSubscription();

            cSub.Request(2);
            pSub.ExpectRequest();
            c.ExpectNoMsg(TimeSpan.FromMilliseconds(600));

            pSub.SendNext(1);
            pSub.SendNext(2);
            c.ExpectNext().ShouldAllBeEquivalentTo(new [] {1,2});
            // nothing more requested
            c.ExpectNoMsg(TimeSpan.FromMilliseconds(1100));
            cSub.Request(3);
            c.ExpectNoMsg(TimeSpan.FromMilliseconds(600));
            pSub.SendComplete();
            c.ExpectComplete();
            c.ExpectNoMsg(TimeSpan.FromMilliseconds(100));
        }