// ssystem_t.cxx

#include "dataset_util/ssystem.h"
#include <iostream>
#include <cassert>

using std::string;
using std::cout;
using std::endl;

void msg(string msg) {
  cout << "----- ";
  cout << msg;
  cout << " -----" << endl;
}

int check(string com) {
  cout << "Command: " << com << endl;
  int rstat = ssystem(com);
  cout << "Return: " << rstat << endl;
  if ( rstat != 0 ) {
    cout << "System error " << errno << ": "
         << strerror(errno) << endl;
  }
  return rstat;
}

int ssystem_t() {

  string com = "date";
  msg(com);
  assert( check(com) == 0 );

  system("rm date.dat");
  com += " > date.dat";
  assert( check(com) == 0 );

  com = "NoSuchCommand";
  assert( check(com) != 0 );

  msg("Date without env");
  int sstat = ssystem("/bin/date", false);
  cout << "Status: " << errno << ": " << strerror(errno) << endl;
  assert( sstat == 0 );

  msg("Set with env");
  assert( ssystem("set", true) == 0 );

  msg("Set without env");
  assert( ssystem("set", false) == 0 );

  msg("Exports without env");
  assert( ssystem("export -p", false) == 0 );

  msg("All tests passed.");
  return 0;
}

#ifdef CTEST_MAIN
int main() {
  return ssystem_t();
}
#endif