private void DualModeConnect_BeginAccept_Helper(IPAddress listenOn, IPAddress connectTo)
{
using (Socket serverSocket = new Socket(SocketType.Stream, ProtocolType.Tcp))
{
int port = serverSocket.BindToAnonymousPort(listenOn);
serverSocket.Listen(1);
IAsyncResult async = serverSocket.BeginAccept(null, null);
SocketClient client = new SocketClient(_log, serverSocket, connectTo, port);
// Due to the nondeterministic nature of calling dispose on a Socket that is doing
// an EndAccept operation, we expect two types of exceptions to happen.
Socket clientSocket;
try
{
clientSocket = serverSocket.EndAccept(async);
Assert.True(clientSocket.Connected);
AssertDualModeEnabled(clientSocket, listenOn);
Assert.Equal(AddressFamily.InterNetworkV6, clientSocket.AddressFamily);
if (connectTo == IPAddress.Loopback)
{
Assert.Contains(((IPEndPoint)clientSocket.LocalEndPoint).Address, ValidIPv6Loopbacks);
}
else
{
Assert.Equal(connectTo.MapToIPv6(), ((IPEndPoint)clientSocket.LocalEndPoint).Address);
}
Assert.Equal(connectTo.MapToIPv6(), ((IPEndPoint)clientSocket.LocalEndPoint).Address);
}
catch (ObjectDisposedException) { }
catch (SocketException) { }
Assert.True(
client.WaitHandle.WaitOne(TestSettings.PassingTestTimeout),
"Timed out while waiting for connection");
if (client.Error != SocketError.Success)
{
throw new SocketException((int)client.Error);
}
}
}
}