test_functools.py 文件源码

def test_total_ordering_no_overwrite(self):
        # new methods should not overwrite existing
        @functools.total_ordering
        class A(str):
            pass
        self.assertTrue(A("a") < A("b"))
        self.assertTrue(A("b") > A("a"))
        self.assertTrue(A("a") <= A("b"))
        self.assertTrue(A("b") >= A("a"))
        self.assertTrue(A("b") <= A("b"))
        self.assertTrue(A("b") >= A("b"))