wire_format_test.py 文件源码

def testPackTag(self):
    field_number = 0xabc
    tag_type = 2
    self.assertEqual((field_number << 3) | tag_type,
                     wire_format.PackTag(field_number, tag_type))
    PackTag = wire_format.PackTag
    # Number too high.
    self.assertRaises(message.EncodeError, PackTag, field_number, 6)
    # Number too low.
    self.assertRaises(message.EncodeError, PackTag, field_number, -1)