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

   1 // System.Net.Sockets.TcpClientTest.cs\r
   2 //\r
   3 // Authors:\r
   4 //    Phillip Pearson (pp@myelin.co.nz)\r
   5 //    Martin Willemoes Hansen (mwh@sysrq.dk)\r
   6 //\r
   7 // (C) Copyright 2001 Phillip Pearson (http://www.myelin.co.nz)\r
   8 // (C) Copyright 2003 Martin Willemoes Hansen\r
   9 //\r
  10 \r
  11 using System;\r
  12 using System.Net;\r
  13 using System.Net.Sockets;\r
  14 using NUnit.Framework;\r
  15 \r
  16 namespace MonoTests.System.Net.Sockets {\r
  17 \r
  18         /// <summary>\r
  19         /// Tests System.Net.Sockets.TcpClient\r
  20         /// </summary>\r
  21         [TestFixture]\r
  22         public class TcpClientTest {\r
  23                 \r
  24                 /// <summary>\r
  25                 /// Tests the TcpClient object\r
  26                 /// (from System.Net.Sockets)\r
  27                 /// </summary>\r
  28                 [Test]\r
  29                 public void TcpClient()\r
  30                 {\r
  31                         // set up a listening Socket\r
  32                         Socket lSock = new Socket(AddressFamily.InterNetwork,\r
  33                                 SocketType.Stream, ProtocolType.Tcp);\r
  34                         \r
  35                         lSock.Bind(new IPEndPoint(IPAddress.Any, 8765));\r
  36                         lSock.Listen(-1);\r
  37 \r
  38 \r
  39                         // connect to it with a TcpClient\r
  40                         TcpClient outClient = new TcpClient("localhost", 8765);\r
  41                         Socket inSock = lSock.Accept();\r
  42 \r
  43                         \r
  44                         // now try exchanging data\r
  45                         NetworkStream stream = outClient.GetStream();\r
  46 \r
  47                         const int len = 1024;\r
  48                         byte[] outBuf = new Byte[len];\r
  49                         for (int i=0; i<len; i++) \r
  50                         {\r
  51                                 outBuf[i] = (byte)(i % 256);\r
  52                         }\r
  53 \r
  54                         // send it\r
  55                         stream.Write(outBuf,0,len);\r
  56 \r
  57                         // and see if it comes back\r
  58                         byte[] inBuf = new Byte[len];\r
  59                         int ret = inSock.Receive(inBuf, 0, len, 0);\r
  60                         Assertion.Assert(ret != 0);\r
  61 \r
  62                         for (int i=0; i<len; i++) \r
  63                         {\r
  64                                 Assertion.Assert(inBuf[i] == outBuf[i]);\r
  65                         }\r
  66                         \r
  67 \r
  68                         // tidy up\r
  69                         inSock.Close();\r
  70                         outClient.Close();\r
  71                         lSock.Close();\r
  72                         \r
  73                 }       \r
  74 \r
  75 #if NET_2_0\r
  76                 [Test]\r
  77                 [ExpectedException (typeof(ArgumentNullException))]\r
  78                 public void ConnectMultiNull ()\r
  79                 {\r
  80                         TcpClient client = new TcpClient ();\r
  81                         IPAddress[] ipAddresses = null;\r
  82                         \r
  83                         client.Connect (ipAddresses, 1234);\r
  84                 }\r
  85                 \r
  86                 [Test]\r
  87                 public void ConnectMultiAny ()\r
  88                 {\r
  89                         TcpClient client = new TcpClient ();\r
  90                         IPAddress[] ipAddresses = new IPAddress[1];\r
  91                         \r
  92                         ipAddresses[0] = IPAddress.Any;\r
  93                         \r
  94                         try {\r
  95                                 client.Connect (ipAddresses, 1234);\r
  96                                 Assert.Fail ("ConnectMultiAny #1");\r
  97                         } catch (SocketException ex) {\r
  98                                 Assertion.AssertEquals ("ConnectMultiAny #2",\r
  99                                                         10049, ex.ErrorCode);\r
 100                         } catch {\r
 101                                 Assert.Fail ("ConnectMultiAny #3");\r
 102                         }\r
 103                 }\r
 104                 \r
 105                 [Test]\r
 106                 public void ConnectMultiRefused ()\r
 107                 {\r
 108                         TcpClient client = new TcpClient ();\r
 109                         IPAddress[] ipAddresses = new IPAddress[1];\r
 110                         \r
 111                         ipAddresses[0] = IPAddress.Loopback;\r
 112                         \r
 113                         try {\r
 114                                 client.Connect (ipAddresses, 1234);\r
 115                                 Assert.Fail ("ConnectMultiRefused #1");\r
 116                         } catch (SocketException ex) {\r
 117                                 Assertion.AssertEquals ("ConnectMultiRefused #2", 10061, ex.ErrorCode);\r
 118                         } catch {\r
 119                                 Assert.Fail ("ConnectMultiRefused #3");\r
 120                         }\r
 121                 }\r
 122                 \r
 123 #endif\r
 124                 \r
 125         }\r
 126 \r
 127 }\r