protobuf/upb/protos/protos_internal_test.cc

// Protocol Buffers - Google's data interchange format
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#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