Method test_method_dead

Lib/test/test_weakref.py:1203–1209

(self)

        self.assertIs(r(), None)

    def test_method_dead(self):
        C = self._subclass()
        o = C(1)
        r = weakref.WeakMethod(o.some_method)
        del C.some_method
        gc.collect()
        self.assertIs(r(), None)

    def test_callback_when_object_dead(self):
        # Test callback behaviour when object dies first.