reflection_test.py 文件源码

def testPackedFieldsWireFormat(self):
    proto = unittest_pb2.TestPackedTypes()
    proto.packed_int32.extend([1, 2, 150, 3])  # 1 + 1 + 2 + 1 bytes
    proto.packed_double.extend([1.0, 1000.0])  # 8 + 8 bytes
    proto.packed_float.append(2.0)             # 4 bytes, will be before double
    serialized = proto.SerializeToString()
    self.assertEqual(proto.ByteSize(), len(serialized))
    d = _MiniDecoder(serialized)
    ReadTag = d.ReadFieldNumberAndWireType
    self.assertEqual((90, wire_format.WIRETYPE_LENGTH_DELIMITED), ReadTag())
    self.assertEqual(1+1+1+2, d.ReadInt32())
    self.assertEqual(1, d.ReadInt32())
    self.assertEqual(2, d.ReadInt32())
    self.assertEqual(150, d.ReadInt32())
    self.assertEqual(3, d.ReadInt32())
    self.assertEqual((100, wire_format.WIRETYPE_LENGTH_DELIMITED), ReadTag())
    self.assertEqual(4, d.ReadInt32())
    self.assertEqual(2.0, d.ReadFloat())
    self.assertEqual((101, wire_format.WIRETYPE_LENGTH_DELIMITED), ReadTag())
    self.assertEqual(8+8, d.ReadInt32())
    self.assertEqual(1.0, d.ReadDouble())
    self.assertEqual(1000.0, d.ReadDouble())
    self.assertTrue(d.EndOfStream())