test_operator.py 文件源码

def test_countOf(self):
        self.assertRaises(TypeError, operator.countOf)
        self.assertRaises(TypeError, operator.countOf, None, None)
        self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 3) == 1)
        self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 5) == 0)