'The two string representations of the L{IListeningPort} returned by
L{IReactorUNIXDatagram.listenUNIXDatagram} contains the name of the
classic protocol class being used and the filename on which the port is
listening or indicates that the port is not listening.'

def test_reprWithClassicProtocol(self):

    class ClassicProtocol:
        def makeConnection(self, transport):
            pass
        def doStop(self):
            pass
    self.assertIsInstance(ClassicProtocol, types.ClassType)
    return self._reprTest(ClassicProtocol(), 'twisted.test.test_unix.ClassicProtocol')
