def test_bool(self):
        prio_set_list = event._PrioritizedSetList()

        assert bool(prio_set_list) is False

        prio_set_list.add(0, None)
        assert bool(prio_set_list) is True
def visitdir(self, dir):
        dir = normalizerootdir(dir, "visitdir")
        matched = self._matcher.match_relative(dir, True)
        if matched:
            # Everything in the directory is selected (ignored)
            return "all"
        else:
            # Not sure
            return True