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// System.Net.Sockets.TcpListenerTest.cs
//
// Authors:
// Phillip Pearson (pp@myelin.co.nz)
// Martin Willemoes Hansen (mwh@sysrq.dk)
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) Copyright 2001 Phillip Pearson (http://www.myelin.co.nz)
// (C) Copyright 2003 Martin Willemoes Hansen (mwh@sysrq.dk)
// (c) 2003 Ximian, Inc. (http://www.ximian.com)
//
using System;
using System.Net;
using System.Net.Sockets;
using NUnit.Framework;
namespace MonoTests.System.Net.Sockets
{
[TestFixture]
public class TcpListenerTest
{
[Test]
public void TcpListener ()
{
// listen with a new listener (IPv4 is the default)
TcpListener inListener = new TcpListener (8766);
inListener.Start();
// connect to it from a new socket
IPHostEntry hostent = Dns.GetHostByAddress (IPAddress.Loopback);
Socket outSock = null;
foreach (IPAddress address in hostent.AddressList) {
if (address.AddressFamily == AddressFamily.InterNetwork) {
/// Only keep IPv4 addresses, our Server is in IPv4 only mode.
outSock = new Socket (address.AddressFamily, SocketType.Stream,
ProtocolType.IP);
IPEndPoint remote = new IPEndPoint (address, 8766);
outSock.Connect (remote);
break;
}
}
// make sure the connection arrives
Assert.IsTrue (inListener.Pending ());
Socket inSock = inListener.AcceptSocket ();
// now send some data and see if it comes out the other end
const int len = 1024;
byte[] outBuf = new Byte [len];
for (int i=0; i<len; i++)
outBuf [i] = (byte) (i % 256);
outSock.Send (outBuf, 0, len, 0);
byte[] inBuf = new Byte[len];
int ret = inSock.Receive (inBuf, 0, len, 0);
// let's see if it arrived OK
Assert.IsTrue (ret != 0);
for (int i=0; i<len; i++)
Assert.IsTrue (inBuf[i] == outBuf [i]);
// tidy up after ourselves
inSock.Close ();
inListener.Stop ();
}
[Test]
public void CtorInt1 ()
{
int nex = 0;
try { new TcpListener (-1); } catch { nex++; }
new TcpListener (0);
new TcpListener (65535);
try { new TcpListener (65536); } catch { nex++; }
try { new TcpListener (100000); } catch { nex++; }
Assert.IsTrue (nex == 3);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void CtorIPEndPoint ()
{
new TcpListener (null);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void CtorIPAddressInt1 ()
{
new TcpListener (null, 100000);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void CtorIPAddressInt2 ()
{
new TcpListener (IPAddress.Any, 100000);
}
class MyListener : TcpListener
{
public MyListener ()
: base (IPAddress.Loopback, 5000)
{
}
public Socket GetSocket ()
{
return Server;
}
public bool IsActive {
get { return Active; }
}
}
[Test]
public void PreStartStatus ()
{
MyListener listener = new MyListener ();
Assert.AreEqual (false, listener.IsActive, "#01");
Assert.IsTrue (null != listener.GetSocket (), "#02");
try {
listener.AcceptSocket ();
Assert.Fail ("Exception not thrown");
} catch (InvalidOperationException) {
}
try {
listener.AcceptTcpClient ();
Assert.Fail ("Exception not thrown");
} catch (InvalidOperationException) {
}
try {
listener.Pending ();
Assert.Fail ("Exception not thrown");
} catch (InvalidOperationException) {
}
listener.Stop ();
}
[Test]
public void PostStartStatus ()
{
MyListener listener = new MyListener ();
listener.Start ();
Assert.AreEqual (true, listener.IsActive, "#01");
Assert.IsTrue (null != listener.GetSocket (), "#02");
Socket sock = listener.GetSocket ();
listener.Start (); // Start called twice
Assert.AreEqual (true, listener.IsActive, "#03");
Assert.IsTrue (null != listener.GetSocket (), "#04");
Assert.AreEqual (false, listener.Pending (), "#05");
listener.Stop ();
Assert.AreEqual (false, listener.IsActive, "#06");
Assert.IsTrue (null != listener.GetSocket (), "#07");
Assert.IsTrue (sock != listener.GetSocket (), "#08");
}
[Test]
public void StartListenMoreThan5 ()
{
TcpListener listen = new TcpListener (IPAddress.Loopback, 1234);
listen.Start (6);
listen.Stop ();
listen.Start (256);
listen.Stop ();
listen.Start (1024);
listen.Stop ();
listen.Start (32768);
listen.Stop ();
listen.Start (65536);
listen.Stop ();
}
}
}
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