test_operator.py 文件源码

def test_delslice(self):
        a = range(10)
        self.assertRaises(TypeError, operator.delslice, a)
        self.assertRaises(TypeError, operator.delslice, a, None, None)
        self.assertTrue(operator.delslice(a, 2, 8) is None)
        self.assertTrue(a == [0, 1, 8, 9])
        operator.delslice(a, 0, test_support.MAX_Py_ssize_t)
        self.assertTrue(a == [])