Method test_modifiers

uspace/lib/cpp/src/__bits/test/list.cpp:156–313

    }

    void list_test::test_modifiers()
    {
        std::list<int> l1{};
        test_eq("empty list", l1.empty(), true);

        l1.push_back(1);
        test_eq("empty list push_back pt1", l1.size(), 1U);
        test_eq("empty list push_back pt2", l1.empty(), false);
        test_eq("empty list push_back pt3", l1.front(), 1);
        test_eq("empty list push_back pt4", l1.back(), 1);

        l1.push_front(2);
        test_eq("push_front pt1", l1.size(), 2U);
        test_eq("push_front pt2", l1.front(), 2);
        test_eq("push_front pt3", l1.back(), 1);

        l1.pop_back();
        test_eq("pop_back pt1", l1.size(), 1U);
        test_eq("pop_back pt2", l1.back(), 2);

        l1.push_front(3);
        test_eq("size", l1.size(), 2U);

        l1.pop_front();
        test_eq("pop_front", l1.front(), 2);

        auto check1 = {2, 42, 42, 42, 42, 42};
        l1.insert(l1.begin(), 5U, 42);
        test_eq(
            "insert n*value",
            check1.begin(), check1.end(),
            l1.begin(), l1.end()
        );

        auto data1 = {33, 34};
        auto check2 = {2, 42, 33, 34, 42, 42, 42, 42};
        auto it1 = l1.begin();
        std::advance(it1, 2);

        l1.insert(it1, data1.begin(), data1.end());
        test_eq(
            "insert iterator range",
            check2.begin(), check2.end(),
            l1.begin(), l1.end()
        );

        auto check3 = {2, 42, 33, 34, 42, 33, 34, 42, 42, 42};
        auto it2 = l1.begin();
        std::advance(it2, 5);

        l1.insert(it2, data1);
        test_eq(
            "insert initializer_list",
            check3.begin(), check3.end(),
            l1.begin(), l1.end()
        );

        auto check4 = {2, 42, 33, 34, 33, 34, 42, 42, 42};