test_base64.py 文件源码

def test_b64decode_invalid_chars(self):
        # issue 1466065: Test some invalid characters.
        tests = ((b'%3d==', b'\xdd'),
                 (b'$3d==', b'\xdd'),
                 (b'[==', b''),
                 (b'YW]3=', b'am'),
                 (b'3{d==', b'\xdd'),
                 (b'3d}==', b'\xdd'),
                 (b'@@', b''),
                 (b'!', b''),
                 (b'YWJj\nYWI=', b'abcab'))
        for bstr, res in tests:
            self.assertEqual(base64.b64decode(bstr), res)
            self.assertEqual(base64.standard_b64decode(bstr), res)
            self.assertEqual(base64.urlsafe_b64decode(bstr), res)

        # Normal alphabet characters not discarded when alternative given
        res = b'\xFB\xEF\xBE\xFF\xFF\xFF'
        self.assertEqual(base64.b64decode(b'++[[//]]', b'[]'), res)
        self.assertEqual(base64.urlsafe_b64decode(b'++--//__'), res)