test_atexit.py 文件源码

def test_order(self):
        # be sure handlers are executed in reverse order
        atexit.register(h1)
        atexit.register(h2)
        atexit.register(h3)
        atexit._run_exitfuncs()

        self.assertEqual(self.stream.getvalue(), "h3\nh2\nh1\n")