Akka.Streams.Tests.Dsl.FlowFlattenMergeSpec.A_FlattenMerge_must_respect_breadth C# (CSharp) Method

        public void A_FlattenMerge_must_respect_breadth()
        {
            var task = Source.From(new[] { Src10(0), Src10(10), Src10(20), Blocked, Blocked, Src10(30) })
                .MergeMany(3, s => s)
                .Take(40)
                .RunWith(ToSeq, Materializer);
            task.Wait(TimeSpan.FromSeconds(1)).Should().BeTrue();

            task.Result.Take(30).ShouldAllBeEquivalentTo(Enumerable.Range(0, 30));
            task.Result.Drop(30).ShouldAllBeEquivalentTo(Enumerable.Range(30, 10));
        }