mcs/class/System/Test/System.Net.Sockets/TcpClientTest.cs

   1 // System.Net.Sockets.TcpClientTest.cs
   2 //
   3 // Authors:
   4 //    Phillip Pearson (pp@myelin.co.nz)
   5 //    Martin Willemoes Hansen (mwh@sysrq.dk)
   6 //
   7 // (C) Copyright 2001 Phillip Pearson (http://www.myelin.co.nz)
   8 // (C) Copyright 2003 Martin Willemoes Hansen
   9 //
  10
  11 using System;
  12 using System.Net;
  13 using System.Net.Sockets;
  14 using NUnit.Framework;
  15
  16 namespace MonoTests.System.Net.Sockets {
  17
  18         /// <summary>
  19         /// Tests System.Net.Sockets.TcpClient
  20         /// </summary>
  21         [TestFixture]
  22         public class TcpClientTest {
  23
  24                 /// <summary>
  25                 /// Tests the TcpClient object
  26                 /// (from System.Net.Sockets)
  27                 /// </summary>
  28                 [Test]
  29                 public void TcpClient()
  30                 {
  31                         // set up a listening Socket
  32                         Socket lSock = new Socket(AddressFamily.InterNetwork,
  33                                 SocketType.Stream, ProtocolType.Tcp);
  34
  35                         lSock.Bind(new IPEndPoint(IPAddress.Any, 1234));
  36                         lSock.Listen(-1);
  37
  38
  39                         // connect to it with a TcpClient
  40                         TcpClient outClient = new TcpClient("localhost", 1234);
  41                         Socket inSock = lSock.Accept();
  42
  43
  44                         // now try exchanging data
  45                         NetworkStream stream = outClient.GetStream();
  46
  47                         const int len = 1024;
  48                         byte[] outBuf = new Byte[len];
  49                         for (int i=0; i<len; i++)
  50                         {
  51                                 outBuf[i] = (byte)(i % 256);
  52                         }
  53
  54                         // send it
  55                         stream.Write(outBuf,0,len);
  56
  57                         // and see if it comes back
  58                         byte[] inBuf = new Byte[len];
  59                         int ret = inSock.Receive(inBuf, 0, len, 0);
  60                         Assertion.Assert(ret != 0);
  61
  62                         for (int i=0; i<len; i++)
  63                         {
  64                                 Assertion.Assert(inBuf[i] == outBuf[i]);
  65                         }
  66
  67
  68                         // tidy up
  69                         inSock.Close();
  70                         outClient.Close();
  71                         lSock.Close();
  72
  73                 }
  74
  75         }
  76
  77 }