Akka.Streams.Tests.Dsl.GraphBroadcastSpec.A_Broadcast_must_work_with_one_way_braodcast C# (CSharp) Method

        public void A_Broadcast_must_work_with_one_way_braodcast()
        {
            this.AssertAllStagesStopped(() =>
            {
                var t = Source.FromGraph(GraphDsl.Create(b =>
                {
                    var broadcast = b.Add(new Broadcast<int>(1));
                    var source = b.Add(Source.From(Enumerable.Range(1, 3)));

                    b.From(source).To(broadcast.In);

                    return new SourceShape<int>(broadcast.Out(0));
                })).RunAggregate(new List<int>(), (list, i) =>
                {
                    list.Add(i);
                    return list;
                }, Materializer);

                t.Wait(TimeSpan.FromSeconds(3)).Should().BeTrue();
                t.Result.ShouldAllBeEquivalentTo(new[] {1, 2, 3});
            }, Materializer);
        }