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- /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
- * Use, modification and distribution is subject to the
- * Boost Software License, Version 1.0. (See accompanying
- * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
- * Author: Jeff Garland, Bart Garst
- * $Date$
- */
- #include <iostream>
- #include "boost/date_time/posix_time/posix_time.hpp"
- #include "../testfrmwk.hpp"
- #if defined(BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS)
- #include "boost/date_time/gregorian/formatters_limited.hpp"
- #else
- #include "boost/date_time/gregorian/formatters.hpp"
- #endif
- void iterate_backward(const boost::posix_time::ptime *answers, int ary_len,
- const boost::posix_time::time_duration& td)
- {
- using namespace boost::posix_time;
- using namespace boost::gregorian;
-
- int i = ary_len -1;
- ptime end = answers[i];
- time_iterator titr(end,td);
-
- std::cout << "counting down by previous duration..." << std::endl;
- for (; titr >= answers[0]; --titr) {
- std::cout << to_simple_string(*titr) << std::endl;
- check("iterating backward", answers[i] == *titr);
- --i;
- }
- check("iterating backward count", i == -1); // check the number of iterations
- std::cout << std::endl;
- }
- int
- main()
- {
- using namespace boost::posix_time;
- using namespace boost::gregorian;
- date d(2000,Jan,20);
- ptime start(d);
- const ptime answer1[] = {ptime(d), ptime(d,seconds(1)),
- ptime(d,seconds(2)), ptime(d,seconds(3))};
- int i=0;
- time_iterator titr(start,seconds(1));
- for (; titr < ptime(d,seconds(4)); ++titr) {
- std::cout << to_simple_string(*titr) << std::endl;
- check("iterator -- 1 sec", answer1[i] == *titr);
- i++;
- }
- check("iterator -- 1 sec", i == 4); // check the number of iterations
- iterate_backward(answer1, 4, seconds(1));
- //iterate by hours
- const ptime answer2[] = {ptime(d), ptime(d,hours(1)),
- ptime(d,hours(2)), ptime(d,hours(3))};
- i=0;
- time_iterator titr2(start,hours(1));
- for (; titr2 < ptime(d,hours(4)); ++titr2) {
- std::cout << to_simple_string(*titr2) << std::endl;
- check("iterator -- 1 hour", answer2[i] == *titr2);
- i++;
- }
- check("iterator -- 1 hour", i == 4); // check the number of iterations
- iterate_backward(answer2, 4, hours(1));
- //iterate by 15 mintues
- const ptime answer3[] = {ptime(d), ptime(d,minutes(15)),
- ptime(d,minutes(30)), ptime(d,minutes(45)),
- ptime(d,minutes(60)), ptime(d,minutes(75))};
- i=0;
- time_iterator titr3(start,minutes(15));
- for (; titr3 < ptime(d,time_duration(1,20,0)); ++titr3) {
- std::cout << to_simple_string(*titr3) << std::endl;
- check("iterator -- 15 min", answer3[i] == *titr3);
- i++;
- }
- check("iterator -- 15 min", i == 6); // check the number of iterations
- iterate_backward(answer3, 6, minutes(15));
- //iterate by .1 seconds
- const ptime answer4[] = {ptime(d), ptime(d,time_duration(0,0,0,1000)),
- ptime(d,time_duration(0,0,0,2000)),
- ptime(d,time_duration(0,0,0,3000))};
- i=0;
- time_iterator titr4(start,time_duration(0,0,0,1000));
- for (; titr4 < ptime(d,time_duration(0,0,0,4000)); ++titr4) {
- std::cout << to_simple_string(*titr4) << std::endl;
- check("iterator -- tenth sec", answer4[i] == *titr4);
- i++;
- }
- check("iterator -- tenth sec", i == 4); // check the number of iterations
- iterate_backward(answer4, 4, time_duration(0,0,0,1000));
- //iterate by crazy duration
- time_duration crzyd = duration_from_string("2:18:32.423");
- const ptime answer5[] = {ptime(d), ptime(d,crzyd),
- ptime(d, crzyd * 2),
- ptime(d, crzyd * 3)};
- i=0;
- time_iterator titr5(start,crzyd);
- for (; titr5 < ptime(d,crzyd * 4); ++titr5) {
- std::cout << to_simple_string(*titr5) << std::endl;
- check("iterator -- crazy duration", answer5[i] == *titr5);
- i++;
- }
- check("iterator -- crazy duration", i == 4); // check the number of iterations
- iterate_backward(answer5, 4, crzyd);
- //iterate up by neg_dur
- time_duration pos_dur = minutes(3);
- time_duration neg_dur = -pos_dur;
- time_iterator up_itr(start, neg_dur), dn_itr(start, pos_dur);
- for(i=0; i < 10; ++i)
- {
- check("up-by-neg == backward iterate", *up_itr == *dn_itr);
- ++up_itr; // up by -3
- --dn_itr; // down by 3
- }
-
-
- return printTestStats();
- }
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