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

   1 // System.Net.Sockets.TcpListenerTest.cs
   2 //
   3 // Author:
   4 //    Phillip Pearson (pp@myelin.co.nz)
   5 //
   6 // Copyright (C) 2001, Phillip Pearson
   7 //    http://www.myelin.co.nz
   8 //
   9
  10 using System;
  11 using System.Net;
  12 using System.Net.Sockets;
  13 using NUnit.Framework;
  14
  15 namespace MonoTests.System.Net.Sockets {
  16
  17         /// <summary>
  18         /// Tests System.Net.Sockets.TcpListener
  19         /// </summary>
  20         public class TcpListenerTest : TestCase {
  21
  22                 public TcpListenerTest(string name) : base(name) {}
  23
  24                 public static ITest Suite {
  25                         get {
  26                                 return new TestSuite(typeof (TcpListenerTest));
  27                         }
  28                 }
  29
  30                 /// <summary>
  31                 /// Tests the TcpListener object
  32                 /// (from System.Net.Sockets)
  33                 /// </summary>
  34                 public void test_TcpListener()
  35                 {
  36                         // listen with a new listener
  37                         TcpListener inListener = new TcpListener(1234);
  38                         inListener.Start();
  39
  40
  41                         // connect to it from a new socket
  42                         Socket outSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream,
  43                                 ProtocolType.IP);
  44                         IPHostEntry hostent = Dns.GetHostByAddress("127.0.0.1");
  45                         IPEndPoint remote = new IPEndPoint(hostent.AddressList[0], 1234);
  46                         outSock.Connect(remote);
  47
  48
  49                         // make sure the connection arrives
  50                         Assert(inListener.Pending());
  51                         Socket inSock = inListener.AcceptSocket();
  52
  53
  54                         // now send some data and see if it comes out the other end
  55                         const int len = 1024;
  56                         byte[] outBuf = new Byte[len];
  57                         for (int i=0; i<len; i++)
  58                         {
  59                                 outBuf[i] = (byte)(i % 256);
  60                         }
  61
  62                         outSock.Send(outBuf, 0, len, 0);
  63
  64                         byte[] inBuf = new Byte[len];
  65                         int ret = inSock.Receive(inBuf, 0, len, 0);
  66
  67
  68                         // let's see if it arrived OK
  69                         Assert(ret != 0);
  70                         for (int i=0; i<len; i++)
  71                         {
  72                                 Assert(inBuf[i] == outBuf[i]);
  73                         }
  74
  75
  76                         // tidy up after ourselves
  77                         inSock.Close();
  78
  79                         inListener.Stop();
  80                 }
  81
  82
  83         }
  84
  85 }