Function TestPacker

library/cpp/packers/ut/region_packer_ut.cpp:5–24

template <typename TValue>
void TestPacker() {
    TValue values[] = {1, 2, 3, 42};
    TString buffer;

    TRegionPacker<TValue> p;

    using TValues = TArrayRef<TValue>;
    TValues valueRegion = TValues(values, Y_ARRAY_SIZE(values));
    size_t sz = p.MeasureLeaf(valueRegion);
    UNIT_ASSERT_VALUES_EQUAL(sz, 1 + sizeof(values));

    buffer.resize(sz);
    p.PackLeaf(buffer.begin(), valueRegion, sz);
    UNIT_ASSERT_VALUES_EQUAL(buffer[0], 4);

    p.UnpackLeaf(buffer.data(), valueRegion);
    UNIT_ASSERT_EQUAL(valueRegion.data(), (const TValue*)(buffer.begin() + 1));
    UNIT_ASSERT_EQUAL(valueRegion.size(), Y_ARRAY_SIZE(values));
    UNIT_ASSERT_EQUAL(0, memcmp(values, valueRegion.data(), sizeof(values)));
}

Y_UNIT_TEST_SUITE(RegionPacker) {
    Y_UNIT_TEST(Test0) {