process_test.cpp

#include <cstdlib>
#include <cstdio>
#include <unistd.h>
#include <iostream>
#include <sstream>
#include <memory>
#include "Process.hpp"

int main(int argc, char *argv[])
{
    using namespace std;
    std::vector<std::string> args;

    if( argc < 2)
      {
	std::cerr << "This application requires at least two command lined arguments" << std::endl;
        std::cerr << "The application must be executed with at least one system call" << std::endl;
	return(EXIT_FAILURE);
      }
    for(int nn=1; nn<argc; ++nn)
    {
	std::cerr << "Arg: " << argv[nn] << std::endl;
	args.push_back(argv[nn]);
    }
//    args.push_back( NULL );

    
    string output;

    {
	Process myproc(args,true);
    
	for(int n=0; n<5; ++n) {
	    stringstream ss;
	    ss << "1+" << n << endl;
	    cerr << "calling write with line=" << ss.str() << "END" << endl;
	    myproc.write(ss.str());
	    output = myproc.read();
	    cerr << "output from process: " << output << "END" << endl;
	}

	//sleep(5);
    }
    cerr << "Process object destroyed" << endl;

    cerr << "Program exiting.  Confirm child process has been cleaned up." << endl;
    //sleep(5);
    return(EXIT_SUCCESS);
}