Method _assert_is_orphan

test/orm/test_cascade.py:3722–3725

(self, c1)

        assert not mapper._is_orphan(state)

    def _assert_is_orphan(self, c1):
        mapper = object_mapper(c1)
        state = instance_state(c1)
        assert mapper._is_orphan(state)

    def test_leg_pers_r1_r2(self):
        c1 = self._fixture(True, True, True, True)