Function count_all_of

test/helpers.h:170–178

namespace cppcheck {
    template<typename T>
    std::size_t count_all_of(const std::string& str, T sub) {
        std::size_t n = 0;
        std::string::size_type pos = 0;
        while ((pos = str.find(sub, pos)) != std::string::npos) {
            ++pos;
            ++n;
        }
        return n;
    }
}

/* designated initialization helper