testtime_input_facet.cpp

C++的一个好库。。。现在很流行

    try {
      facet->time_duration_format("%H%M%S%F");
      ss.str("not-a-date-time");
      ++count;
      ss >> td;
      check("special value w/ hours flag", td == nadt);
      ss.str("");
      facet->time_duration_format("%M%S%F");
      ss.str("not-a-date-time");
      ++count;
      ss >> td;
      check("special value w/ minutes flag", td == nadt);
      ss.str("");
      facet->time_duration_format("%S%F");
      ss.str("not-a-date-time");
      ++count;
      ss >> td;
      check("special value w/ seconds flag", td == nadt);
      ss.str("");
      facet->time_duration_format("%s");
      ss.str("not-a-date-time");
      ++count;
      ss >> td;
      check("special value w/ sec w/frac_sec (always) flag", td == nadt);
      ss.str("");
      facet->time_duration_format("%f");
      ss.str("not-a-date-time");
      ++count;
      ss >> td;
      check("special value w/ frac_sec (always) flag", td == nadt);
      ss.str("");
    }
    catch(...) { 
      // any exception is a failure
      std::stringstream msg;
      msg << "special_values with scrunched formats failed at test" << count;
      check(msg.str(), false);
    }
    // exception tests
    std::ios_base::failure exc("failure");
    check("failure test w/ hours flag",
        failure_test(td, "bad_input", exc, new time_input_facet("%H%M%S%F")));
    check("silent failure test w/ hours flag",
        failure_test(td, "bad_input", new time_input_facet("%H%M%S%F")));
    check("failure test w/ minute flag",
        failure_test(td, "bad_input", exc, new time_input_facet("%M%S%F")));
    check("silent failure test w/ minute flag",
        failure_test(td, "bad_input", new time_input_facet("%M%S%F")));
    check("failure test w/ second flag",
        failure_test(td, "bad_input", exc, new time_input_facet("%S%F")));
    check("silent failure test w/ second flag",
        failure_test(td, "bad_input", new time_input_facet("%S%F")));
    check("failure test w/ sec w/frac (always) flag",
        failure_test(td, "bad_input", exc, new time_input_facet("%s")));
    check("silent failure test w/ sec w/frac (always) flag",
        failure_test(td, "bad_input", new time_input_facet("%s")));
    check("failure test w/ frac_sec flag",
        failure_test(td, "bad_input", exc, new time_input_facet("%f")));
    check("silent failure test w/ frac_sec flag",
        failure_test(td, "bad_input", new time_input_facet("%f")));
    
  }
  // special_values tests. prove the individual flags catch special_values
  // NOTE: these flags all by themselves will not parse a complete ptime,
  // these are *specific* special_values tests
  iss.str("+infinity -infinity");
  facet->format("%H");
  facet->time_duration_format("%H");
  iss >> pt;
  iss >> td;
  check("Special value: ptime %H flag", pt == ptime(pos_infin));
  check("Special value: time_duration %H flag", td == time_duration(neg_infin));
  
  iss.str("not-a-date-time +infinity");
  facet->format("%M");
  facet->time_duration_format("%M");
  iss >> pt;
  iss >> td;
  check("Special value: ptime %M flag", pt == ptime(not_a_date_time));
  check("Special value: time_duration %M flag", td == time_duration(pos_infin));
  
  iss.str("-infinity not-a-date-time ");
  facet->format("%S");
  facet->time_duration_format("%S");
  iss >> pt;
  iss >> td;
  check("Special value: ptime %S flag", pt == ptime(neg_infin));
  check("Special value: time_duration %S flag", td == time_duration(not_a_date_time));
  
  iss.str("+infinity -infinity");
  facet->format("%s");
  facet->time_duration_format("%s");
  iss >> pt;
  iss >> td;
  check("Special value: ptime %s flag", pt == ptime(pos_infin));
  check("Special value: time_duration %s flag", td == time_duration(neg_infin));
  
  iss.str("not-a-date-time +infinity");
  facet->format("%j");
  facet->time_duration_format("%f");
  iss >> pt;
  iss >> td;
  check("Special value: ptime %j flag", pt == ptime(not_a_date_time));
  check("Special value: time_duration %f flag", td == time_duration(pos_infin));
 
  // time_period tests - the time_period_parser is thoroughly tested in gregorian tests
  // default period format is closed range so last ptime is included in peiod
  iss.str("[2005-Jan-01 00:00:00/2005-Dec-31 23:59:59]");
  facet->format(time_input_facet::default_time_input_format); // reset format
  iss >> tp;
  check("Time period, default formats", 
      (tp.begin() == ptime(date(2005,1,1),hours(0))) &&
      (tp.last() == ptime(date(2005,12,31),time_duration(23,59,59))) &&
      (tp.end() == ptime(date(2005,12,31),time_duration(23,59,59,1))) );
  {
    std::stringstream ss;
    ptime pt(not_a_date_time);
    ptime pt2 = second_clock::local_time();
    ptime pt3(neg_infin);
    ptime pt4(pos_infin);
    time_period tp(pt2, pt); // ptime/nadt
    time_period tp2(pt, pt); // nadt/nadt
    time_period tp3(pt3, pt4);
    ss << tp;
    ss >> tp2;
    check("Special values period (reversibility test)", tp == tp2);
    ss.str("[-infinity/+infinity]");
    ss >> tp2;
    check("Special values period (infinities)", tp3 == tp2);
  }

  // Failure tests
  // faliure tests for date elements tested in gregorian tests
  time_input_facet* facet2 = new time_input_facet();
  facet2->time_duration_format("%H:%M:%S%f");
  check("Failure test: Missing frac_sec with %f flag (w/exceptions)", 
        failure_test(td, "14:13:12 extra stuff", e_failure, facet2));
  time_input_facet* facet3 = new time_input_facet();
  facet3->time_duration_format("%H:%M:%S%f");
  check("Failure test: Missing frac_sec with %f flag (no exceptions)", 
        failure_test(td, "14:13:12 extra stuff", facet3));

  // Reversable format tests
  time_duration td_io(10,11,12,1234567);
  ptime pt_io(date(2004,03,15), td_io);
  time_facet* otp_facet = new time_facet();
  time_input_facet* inp_facet = new time_input_facet();
  std::stringstream ss;
  std::locale loc2(std::locale::classic(), otp_facet);
  ss.imbue(std::locale(loc2, inp_facet)); // imbue locale containing both facets

  ss.str("");
  ss << pt_io; // stream out pt_io
  ss >> pt;
  check("Stream out one ptime then into another: default format", pt_io == pt);
  ss.str("");
  ss << td_io; // stream out td_io
  ss >> td;
  check("Stream out one time_duration then into another: default format", td_io == td);

  td_io = time_duration(1,29,59); // no frac_sec, default format has %F
  pt_io = ptime(date(2004,2,29), td_io); // leap year
  ss.str("");
  ss << pt_io; // stream out pt_io
  ss >> pt;
  check("Stream out one ptime then into another: default format", pt_io == pt);
  ss.str("");
  ss << td_io; // stream out td_io
  ss >> td;
  check("Stream out one time_duration then into another: default format", td_io == td);

  td_io = time_duration(13,05,0); // no seconds as the next formats won't use them
  pt_io = ptime(date(2004,2,29), td_io); // leap year
  otp_facet->format("%Y-%jT%H:%M"); // extended ordinal
  inp_facet->format("%Y-%jT%H:%M");
  ss.str("");
  ss << pt_io; // stream out pt_io
  ss >> pt;
  check("Stream out one ptime then into another: extended ordinal format", pt_io == pt);

  otp_facet->format("Time: %H:%M, Date: %B %d, %Y"); // custom format with extra words
  inp_facet->format("Time: %H:%M, Date: %B %d, %Y");
  ss.str("");
  ss << pt_io; // stream out pt_io
  ss >> pt;
  check("Stream out one ptime then into another: custom format (" + ss.str() + ")", pt_io == pt);

  {
    // fully parameterized constructor - compile only test, all other features tested in gregorian
    boost::date_time::format_date_parser<date, char> fdp("%Y-%b-%d", std::locale::classic());
    special_values_parser svp; // default constructor
    period_parser pp; // default constructor
    boost::date_time::date_generator_parser<date, char> dgp; // default constructor
    time_input_facet tif("%Y-%m-%d %H:%M:%s", fdp, svp, pp, dgp);
  }
#endif // USE_DATE_TIME_PRE_1_33_FACET_IO 

}



int main(){

  try {  //wrap all the tests -- we don't expect an exception
    do_all_tests();
  }
  catch(std::exception& e) {
    std::string failure("std::exception caught: ");
    failure += e.what();
    check(failure, false);
  }
  catch(...) {
    check("Unknown exception caught -- failing", false);
  }
  return printTestStats();
}