test_callbacks.py 文件源码

def test_issue_7959(self):
        proto = self.functype.im_func(None)

        class X(object):
            def func(self): pass
            def __init__(self):
                self.v = proto(self.func)

        import gc
        for i in range(32):
            X()
        gc.collect()
        live = [x for x in gc.get_objects()
                if isinstance(x, X)]
        self.assertEqual(len(live), 0)