System.Net.Sockets.Tests.TcpClientTest.Dispose_CancelsConnectAsync C# (CSharp) Метод

        public async Task Dispose_CancelsConnectAsync(bool connectByName)
        {
            using (var server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
            {
                // Set up a server socket to which to connect
                server.Bind(new IPEndPoint(IPAddress.Loopback, 0));
                server.Listen(1);
                var endpoint = (IPEndPoint)server.LocalEndPoint;

                // Connect asynchronously...
                var client = new TcpClient();
                Task connectTask = connectByName ?
                    client.ConnectAsync("localhost", endpoint.Port) :
                    client.ConnectAsync(endpoint.Address, endpoint.Port);

                // ...and hopefully before it's completed connecting, dispose.
                var sw = Stopwatch.StartNew();
                client.Dispose();

                // There is a race condition here.  If the connection succeeds before the
                // disposal, then the task will complete successfully.  Otherwise, it should
                // fail with an ObjectDisposedException.
                try
                {
                    await connectTask;
                }
                catch (ObjectDisposedException) { }
                sw.Stop();

                Assert.Null(client.Client); // should be nulled out after Dispose
            }
        }
    }