test_functools.py 文件源码

def test_lru_with_types(self):
        for maxsize in (None, 100):
            @functools.lru_cache(maxsize=maxsize, typed=True)
            def square(x):
                return x * x
            self.assertEqual(square(3), 9)
            self.assertEqual(type(square(3)), type(9))
            self.assertEqual(square(3.0), 9.0)
            self.assertEqual(type(square(3.0)), type(9.0))
            self.assertEqual(square(x=3), 9)
            self.assertEqual(type(square(x=3)), type(9))
            self.assertEqual(square(x=3.0), 9.0)
            self.assertEqual(type(square(x=3.0)), type(9.0))
            self.assertEqual(square.cache_info().hits, 4)
            self.assertEqual(square.cache_info().misses, 4)