In the worst case, the source object is a constant (eg a global default instance) and modifying them has undefined behavior. PiperOrigin-RevId: 673402981pull/18157/head
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# -*- coding: utf-8 -*- |
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# Protocol Buffers - Google's data interchange format |
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# Copyright 2008 Google Inc. All rights reserved. |
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# |
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# Use of this source code is governed by a BSD-style |
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# license that can be found in the LICENSE file or at |
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# https://developers.google.com/open-source/licenses/bsd |
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"""Unittest for reflection.py, with C++ protos linked in.""" |
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import copy |
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import unittest |
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from google.protobuf.internal import testing_refleaks |
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from google.protobuf.internal import _parameterized |
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from google.protobuf import unittest_pb2 |
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from google.protobuf import unittest_proto3_arena_pb2 |
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@_parameterized.named_parameters( |
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('_proto2', unittest_pb2), ('_proto3', unittest_proto3_arena_pb2) |
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) |
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@testing_refleaks.TestCase |
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class ReflectionTest(unittest.TestCase): |
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def testEmptyCompositeContainerDeepCopy(self, message_module): |
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proto1 = message_module.NestedTestAllTypes( |
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payload=message_module.TestAllTypes(optional_string='foo') |
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) |
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nested2 = copy.deepcopy(proto1.child.repeated_child) |
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self.assertEqual(0, len(nested2)) |
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if __name__ == '__main__': |
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unittest.main() |
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