Method getExpandedExpression

tutorials/external/catch.hpp:6448–6453

    }

    std::string AssertionResult::getExpandedExpression() const {
        std::string expr = m_resultData.reconstructExpression();
        return expr.empty()
                ? getExpression()
                : expr;
    }

    std::string AssertionResult::getMessage() const {
        return m_resultData.message;