def test_interface(self):
        reactor = self.buildReactor()
        port = reactor.listenUDP(0, DatagramProtocol())
        self.assertTrue(verifyObject(IListeningPort, port))
L{IReactorUDP.listenUDP} returns an object providing L{IListeningPort}.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/internet/test/test_udp.py/UDPServerTestsBuilder.test_interface