Method ForInput

util/stream/input_ut.cpp:24–38

    template <typename FuncType>
    void ForInput(const TStringBuf text, const FuncType& func) {
        TFile tempFile(TFile::Temporary("input_ut"));
        tempFile.Write(text.data(), text.size());
        tempFile.FlushData();
        tempFile.Seek(0, sSet);

        TFileHandle tempFh(tempFile.GetHandle());
        tempFh.Duplicate2Posix(0);
        tempFh.Release();

        func();
        Cin.ReadAll();
        dup2(StdInCopy_, 0);
        clearerr(stdin);
    }

private:
    int StdInCopy_;