Method TestOptionalImpl

util/ysaveload_ut.cpp:619–629

    template <class T>
    void TestOptionalImpl(const std::optional<T>& v) {
        std::optional<T> loaded;
        TBufferStream s;
        ::Save(&s, v);
        ::Load(&s, loaded);

        UNIT_ASSERT_VALUES_EQUAL(v.has_value(), loaded.has_value());
        if (v.has_value()) {
            UNIT_ASSERT_VALUES_EQUAL(*v, *loaded);
        }
    }

    void TestOptional() {
        TestOptionalImpl(std::optional<ui64>(42ull));