System.Net.Sockets.Tests.DualModeConnectionlessSendToAsync.Socket_SendToAsyncV4IPEndPointToV4Host_Throws C# (CSharp) Метод

        public void Socket_SendToAsyncV4IPEndPointToV4Host_Throws()
        {
            Socket socket = new Socket(AddressFamily.InterNetworkV6, SocketType.Dgram, ProtocolType.Udp);
            SocketAsyncEventArgs args = new SocketAsyncEventArgs();
            args.RemoteEndPoint = new IPEndPoint(IPAddress.Loopback, UnusedPort);
            args.SetBuffer(new byte[1], 0, 1);
            bool async = socket.SendToAsync(args);
            Assert.False(async);

            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
            {
                Assert.Equal(SocketError.Fault, args.SocketError);
            }
            else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            {
                // NOTE: on Linux, this API returns ENETUNREACH instead of EFAULT: this platform
                //       checks the family of the provided socket address before checking its size
                //       (as long as the socket address is large enough to store an address family).
                Assert.Equal(SocketError.NetworkUnreachable, args.SocketError);
            }
            else
            {
                // NOTE: on other Unix platforms, this API returns EINVAL instead of EFAULT.
                Assert.Equal(SocketError.InvalidArgument, args.SocketError);
            }
        }