Method test_find

uspace/lib/cpp/src/__bits/test/string.cpp:396–638

    }

    void string_test::test_find()
    {
        std::string target{"ABC"};
        auto miss = std::string::npos;

        std::string str1{"xxABCxx"};

        auto idx = str1.find(target, 0);
        test_eq(
            "find from start (success)",
            idx, 2ul
        );

        idx = str1.find(target, 3);
        test_eq(
            "find from start (fail, late start)",
            idx, miss
        );

        idx = str1.rfind(target, miss);
        test_eq(
            "rfind from end (success)",
            idx, 2ul
        );

        idx = str1.rfind(target, 1);
        test_eq(
            "rfind from start (fail, late start)",
            idx, miss
        );

        idx = str1.find('B', 2);
        test_eq(
            "find char from middle (success)",
            idx, 3ul
        );

        idx = str1.rfind('B', 2);
        test_eq(
            "rfind char from middle (success)",
            idx, 3ul
        );

        std::string str2{"xxABCxxABCxx"};

        idx = str2.find(target, 0);
        test_eq(
            "find from start (success, multiple)",
            idx, 2ul
        );

        idx = str2.find(target, 5);
        test_eq(
            "find from middle (success, multiple)",
            idx, 7ul
        );

        idx = str2.rfind(target, miss);