public async Task Do()
{
var messages = new ConcurrentQueue <TransportMessage>();
messages.Enqueue(new TransportMessage());
messages.Enqueue(new TransportMessage());
messages.Enqueue(new TransportMessage());
var countdown = new AsyncCountdownEvent(3);
var chainFactory = new ChainFactory();
chainFactory.Register(() => new LogElement(countdown));
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new DelayInUsing());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new PassThrough());
chainFactory.Register(() => new PassThrough());
chainFactory.Register(() => new PassThrough());
chainFactory.Register(() => new DelayInUsing());
chainFactory.Register(() => new DelayBefore());
chainFactory.Register(() => new DelayAfter());
chainFactory.Register(() => new PassThrough());
chainFactory.Register(() => new PassThrough());
chainFactory.Register(() => new PassThrough());
chainFactory.Register(() => new ThrowException());
var pushMessages = new PushMessages(messages, maxConcurrency: 1);
await pushMessages.StartAsync(tm => Connector(chainFactory, tm));
await Task.Delay(2000);
await pushMessages.StopAsync();
}