Class CoutStream

tests/catch.h:3442–3450

    };

    class CoutStream : public IStream {
        mutable std::ostream m_os;
    public:
        CoutStream();
        virtual ~CoutStream() CATCH_NOEXCEPT;

    public: // IStream
        virtual std::ostream& stream() const CATCH_OVERRIDE;
    };

    class DebugOutStream : public IStream {
        std::auto_ptr<StreamBufBase> m_streamBuf;