protobuf/protos/protos_internal_test.cc

// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google LLC nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "protos/protos_internal.h"

#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "protos_generator/tests/test_model.upb.h"
#include "protos_generator/tests/test_model.upb.proto.h"
#include "upb/mem/arena.h"

namespace protos::testing {
namespace {
using ::protos_generator::test::protos::TestModel;

TEST(CppGeneratedCode, InternalMoveMessage) {
  // Generate message (simulating message created in another VM/language)
  upb_Arena* source_arena = upb_Arena_New();
  protos_generator_test_TestModel* message =
      protos_generator_test_TestModel_new(source_arena);
  ASSERT_NE(message, nullptr);
  protos_generator_test_TestModel_set_int_value_with_default(message, 123);

  // Move ownership.
  TestModel model =
      protos::internal::MoveMessage<TestModel>(message, source_arena);
  // Now that we have moved ownership, free original arena.
  upb_Arena_Free(source_arena);
  EXPECT_EQ(model.int_value_with_default(), 123);
}

}  // namespace
}  // namespace protos::testing