Method check_basic_callback

Lib/test/test_weakref.py:258–267

(self, factory)

                     "<ref>() should return original object if live")

    def check_basic_callback(self, factory):
        self.cbcalled = 0
        o = factory()
        ref = weakref.ref(o, self.callback)
        del o
        gc_collect()  # For PyPy or other GCs.
        self.assertEqual(self.cbcalled, 1,
                     "callback did not properly set 'cbcalled'")
        self.assertIsNone(ref(),
                     "ref2 should be dead after deleting object reference")

    def test_ref_reuse(self):
        o = C()