reflection_test.py 文件源码

def testClear(self):
    proto = unittest_pb2.TestAllTypes()
    # C++ implementation does not support lazy fields right now so leave it
    # out for now.
    if api_implementation.Type() == 'python':
      test_util.SetAllFields(proto)
    else:
      test_util.SetAllNonLazyFields(proto)
    # Clear the message.
    proto.Clear()
    self.assertEqual(proto.ByteSize(), 0)
    empty_proto = unittest_pb2.TestAllTypes()
    self.assertEqual(proto, empty_proto)

    # Test if extensions which were set are cleared.
    proto = unittest_pb2.TestAllExtensions()
    test_util.SetAllExtensions(proto)
    # Clear the message.
    proto.Clear()
    self.assertEqual(proto.ByteSize(), 0)
    empty_proto = unittest_pb2.TestAllExtensions()
    self.assertEqual(proto, empty_proto)