Method test_copy

uspace/lib/cpp/src/__bits/test/string.cpp:381–394

    }

    void string_test::test_copy()
    {
        std::string check{"CCABB"};

        std::string str1{"ACCCA"};
        std::string str2{"BBBBB"};

        str1.copy(const_cast<char*>(str2.c_str()), 3, 2);
        test_eq(
            "copy",
            str2.begin(), str2.end(),
            check.begin(), check.end()
        );
    }

    void string_test::test_find()
    {