Function CompareStates

test/tests/S6ImportExportTests.cpp:142–186

}

static void CompareStates(MemoryStream& importBuffer, MemoryStream& exportBuffer, MemoryStream& snapshotStream)
{
    if (importBuffer.GetLength() != exportBuffer.GetLength())
    {
        LOG_WARNING(
            "Inconsistent export size! Import Size: %llu bytes, Export Size: %llu bytes",
            static_cast<unsigned long long>(importBuffer.GetLength()),
            static_cast<unsigned long long>(exportBuffer.GetLength()));
    }

    std::unique_ptr<IContext> context = CreateContext();
    EXPECT_NE(context, nullptr);
    bool initialised = context->Initialise();
    ASSERT_TRUE(initialised);

    DataSerialiser ds(false, snapshotStream);
    IGameStateSnapshots* snapshots = GetContext()->GetGameStateSnapshots();

    GameStateSnapshot_t& importSnapshot = snapshots->CreateSnapshot();
    snapshots->SerialiseSnapshot(importSnapshot, ds);

    GameStateSnapshot_t& exportSnapshot = snapshots->CreateSnapshot();
    snapshots->SerialiseSnapshot(exportSnapshot, ds);

    try
    {
        GameStateCompareData cmpData = snapshots->Compare(importSnapshot, exportSnapshot);

        // Find out if there are any differences between the two states
        auto res = std::find_if(
            cmpData.spriteChanges.begin(), cmpData.spriteChanges.end(),
            [](const GameStateSpriteChange& diff) { return diff.changeType != GameStateSpriteChange::EQUAL; });

        if (res != cmpData.spriteChanges.end())
        {
            LOG_WARNING("Snapshot data differences. %s", snapshots->GetCompareDataText(cmpData).c_str());
            FAIL();
        }
    }
    catch (const std::runtime_error& err)
    {
        LOG_WARNING("Snapshot data failed to be read. Snapshot not compared. %s", err.what());
        FAIL();
    }
}

TEST(S6ImportExportBasic, all)
{