public void IPv4Constructor_DualModeThrows()
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Assert.Throws<NotSupportedException>(() =>
{
Assert.False(socket.DualMode);
});
Assert.Throws<NotSupportedException>(() =>
{
socket.DualMode = true;
});
}
}