System.Net.Sockets.Tests.AgnosticListenerTest.ConnectWithV4AndV6_Success C# (CSharp) Метод

        public void ConnectWithV4AndV6_Success()
        {
            int port;
            TcpListener listener = SocketTestExtensions.CreateAndStartTcpListenerOnAnonymousPort(out port);
            IAsyncResult asyncResult = listener.BeginAcceptTcpClient(null, null);

            TcpClient v6Client = new TcpClient(AddressFamily.InterNetworkV6);
            v6Client.ConnectAsync(IPAddress.IPv6Loopback, port).GetAwaiter().GetResult();

            TcpClient acceptedV6Client = listener.EndAcceptTcpClient(asyncResult);
            Assert.Equal(AddressFamily.InterNetworkV6, acceptedV6Client.Client.RemoteEndPoint.AddressFamily);
            Assert.Equal(AddressFamily.InterNetworkV6, v6Client.Client.RemoteEndPoint.AddressFamily);

            asyncResult = listener.BeginAcceptTcpClient(null, null);

            TcpClient v4Client = new TcpClient(AddressFamily.InterNetwork);
            v4Client.ConnectAsync(IPAddress.Loopback, port).GetAwaiter().GetResult();

            TcpClient acceptedV4Client = listener.EndAcceptTcpClient(asyncResult);
            Assert.Equal(AddressFamily.InterNetworkV6, acceptedV4Client.Client.RemoteEndPoint.AddressFamily);
            Assert.Equal(AddressFamily.InterNetwork, v4Client.Client.RemoteEndPoint.AddressFamily);

            v6Client.Dispose();
            acceptedV6Client.Dispose();

            v4Client.Dispose();
            acceptedV4Client.Dispose();

            listener.Stop();
        }