def test_add_remove_poll(self):
     # FIXME: very shallow test, only verifies the API signature
     pollfd = GLib.PollFD(99, GLib.IOCondition.IN | GLib.IOCondition.HUP)
     self.assertEqual(pollfd.fd, 99)
     source = GLib.Source()
     source.add_poll(pollfd)
     source.remove_poll(pollfd)