'L{_resolveIPv6} raises a L{socket.gaierror} (L{socket.EAI_NONAME}) when
invoked with a non-numeric host.  (In other words, it is passing
L{socket.AI_NUMERICHOST} to L{socket.getaddrinfo} and will not
accidentally block if it receives bad input.)'

def test_resolveNumericHost(self):

    err = self.assertRaises(socket.gaierror, _resolveIPv6, 'localhost', 1)
    self.assertEqual(err.args[0], socket.EAI_NONAME)
