test_fileio.py 文件源码

def testConstructorHandlesNULChars(self):
        fn_with_NUL = 'foo\0bar'
        self.assertRaises(TypeError, _FileIO, fn_with_NUL, 'w')
        self.assertRaises(TypeError, _FileIO, bytes(fn_with_NUL, 'ascii'), 'w')