test_00_PythonUtils.py 文件源码

def test_WeakObject(self):
        """
        Tests basic extended weak object support.
        """
        obj = TestClass()
        ref = weakref.ref(obj)

        objref = weakobj.objectref(obj)
        objref2 = weakobj.objectref(obj)

        self.assertEquals(objref, objref2)
        self.assertEquals(objref.foo(), obj.foo())

        # Delete what should be the only reference to the original object.
        del obj
        self.assertEqual(ref(), None)

        try:
            objref.foo()
        except weakref.ReferenceError:
            pass
        else:
            self.fail('Weak object should be invalidated')