// Time_t.cxx

#include "dataset_util/Time.h"

#include <iostream>

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

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

int Time_t() {

  msg("Invalid");
  Time bad;
  cout << bad << endl;
  assert( ! bad.is_valid() );

  msg("Now");
  Time now = Time::now();
  cout << now << endl;
  assert( now.is_valid() );
  assert( now.to_string().size() );

  msg("10 second interval");
  TimeInterval dtim(10);
  cout << dtim << endl;
  assert( dtim.to_string().size() );
  assert( dtim.seconds() == 10 );

  msg("10 second negative interval");
  TimeInterval dtimm(-10);
  cout << dtimm << endl;
  assert( dtimm.seconds() == -10 );

  msg("Increment time");
  Time later = now;
  later += dtim;
  cout << later << endl;;
  assert( later.unix_time() == now.unix_time()+10 );

  msg("Decrement time");
  later -= dtim;
  cout << later << endl;
  assert( later.unix_time() == now.unix_time() );

  msg("Increment time interval");
  TimeInterval dlater = dtim;
  dlater += dtim;
  assert( dlater.seconds() == 2*dtim.seconds() );

  msg("Deccrement time interval");
  dlater -= dtim;
  assert( dlater.seconds() == dtim.seconds() );

  msg("long interval");
  Time start = now;
  Time stop = now;
  TimeInterval dtim1(26*3600+3*60+4);
  cout << dtim1 << endl;
  stop += dtim1;
  TimeInterval dtim2(start, stop);
  cout << dtim2 << endl;
  assert( dtim1.seconds() == dtim2.seconds() );

  return 0;
}

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