public void UnicastProcessor_Online_Fused_Scheduled_5() { for (int i = 0; i < 10000; i++) { var up = new UnicastProcessor <int>(); var ts = new TestSubscriber <int>(fusionMode: FuseableHelper.ANY); int[] wait = { 2 }; Task.Run(() => { up.OnNext(1, 2); up.OnNext(3, 4); up.OnNext(5, 6); Interlocked.Decrement(ref wait[0]); while (Volatile.Read(ref wait[0]) != 0) { ; } up.OnComplete(); }); Interlocked.Decrement(ref wait[0]); while (Volatile.Read(ref wait[0]) != 0) { ; } up.Subscribe(ts); ts .AwaitTerminalEvent(TimeSpan.FromSeconds(5)) .AssertResult(1, 2, 3, 4, 5, 6); } }