Method StreamRedirect

ext/catch.hpp:6445–6451

    public:
        StreamRedirect( std::ostream& stream, std::string& targetString )
        :   m_stream( stream ),
            m_prevBuf( stream.rdbuf() ),
            m_targetString( targetString )
        {
            stream.rdbuf( m_oss.rdbuf() );
        }

        ~StreamRedirect() {
            m_targetString += m_oss.str();