Method test_non_modifying

uspace/lib/cpp/src/__bits/test/algorithm.cpp:53–188

    }

    void algorithm_test::test_non_modifying()
    {
        auto data1 = {1, 2, 3, 4, 5};
        auto res1 = std::all_of(
            data1.begin(), data1.end(),
            [](auto x){ return x > 0; }
        );
        auto res2 = std::all_of(
            data1.begin(), data1.end(),
            [](auto x){ return x < 4; }
        );

        test("all_of pt1", res1);
        test("all_of pt2", !res2);

        auto res3 = std::any_of(
            data1.begin(), data1.end(),
            [](auto x){ return x > 4; }
        );
        auto res4 = std::any_of(
            data1.begin(), data1.end(),
            [](auto x){ return x == 10; }
        );

        test("any_of pt1", res3);
        test("any_of pt2", !res4);

        auto res5 = std::none_of(
            data1.begin(), data1.end(),
            [](auto x){ return x < 0; }
        );
        auto res6 = std::none_of(
            data1.begin(), data1.end(),
            [](auto x){ return x == 4; }
        );

        test("none_of pt1", res5);
        test("none_of pt2", !res6);

        std::array<int, 5> data2{1, 2, 3, 4, 5};
        auto check1 = {1, 20, 3, 40, 5};
        std::for_each(
            data2.begin(), data2.end(),
            [](auto& x){
                if (x % 2 == 0)
                    x *= 10;
            }
        );

        test_eq(
            "for_each", check1.begin(), check1.end(),
            data2.begin(), data2.end()
        );

        auto res7 = std::find(data2.begin(), data2.end(), 40);
        test_eq("find", res7, &data2[3]);

        auto res8 = std::find_if(