Function TestEmptyRanges

util/generic/xrange_ut.cpp:117–130

    template <class XRangeContainer>
    void TestEmptyRanges(const XRangeContainer& c) {
        for (const auto& emptyRange : c) {
            UNIT_ASSERT_VALUES_EQUAL(emptyRange.size(), 0);

            for (auto i : emptyRange) {
                Y_UNUSED(i);
                UNIT_ASSERT(false);
            }

            using TValueType = decltype(*emptyRange.begin());
            const TVector<TValueType> asVector = emptyRange;
            UNIT_ASSERT(asVector.empty());
        }
    }

    Y_UNIT_TEST(EmptySimpleRange) {
        using TSimpleRange = decltype(xrange(1));