Method run

tutorials/external/catch.hpp:10825–10832

        template<typename CharT>
        int run(int argc, CharT const * const argv[]) {
            if (m_startupExceptions)
                return 1;
            int returnCode = applyCommandLine(argc, argv);
            if (returnCode == 0)
                returnCode = run();
            return returnCode;
        }

        int run();