test_codecs.py 文件源码

def test_basics(self):
        binput = bytes(range(256))
        for encoding in bytes_transform_encodings:
            # generic codecs interface
            (o, size) = codecs.getencoder(encoding)(binput)
            self.assertEqual(size, len(binput))
            (i, size) = codecs.getdecoder(encoding)(o)
            self.assertEqual(size, len(o))
            self.assertEqual(i, binput)