| /* Copyright (c) 2002,2003, 2007 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 |
| */ |
| |
| #include "boost/date_time/posix_time/posix_time.hpp" |
| #include "boost/date_time/local_time_adjustor.hpp" |
| #include "boost/date_time/local_timezone_defs.hpp" |
| #include "../testfrmwk.hpp" |
| |
| int |
| main() |
| { |
| using namespace boost::posix_time; |
| using namespace boost::gregorian; |
| |
| date dst_start(2002,Apr, 7); |
| date dst_end_day(2002,Oct, 27); |
| |
| typedef boost::date_time::utc_adjustment<time_duration,-5> us_eastern_offset_adj; |
| //Type that embeds rules for UTC-5 plus DST offset |
| typedef boost::date_time::static_local_time_adjustor<ptime, |
| us_dst, |
| us_eastern_offset_adj> us_eastern; |
| |
| //test some times clearly not in DST |
| date d3(2002,Feb,1); |
| ptime t10(d3, hours(4)); |
| ptime t10_check(d3, hours(9)); //utc is 5 hours ahead |
| time_duration td = us_eastern::local_to_utc_offset(t10);//dst flag is defaulted |
| check("check local calculation", td == hours(5)); |
| ptime t10_local = t10 + td; |
| std::cout << to_simple_string(t10_local) |
| << std::endl; |
| check("check local calculation", t10_local == t10_check); |
| check("check utc is dst", |
| us_eastern::utc_to_local_offset(t10) == hours(-5)); |
| |
| |
| //something clearly IN dst |
| date d4(2002,May,1); |
| ptime t11(d4, hours(3)); |
| check("check local offset",us_eastern::local_to_utc_offset(t11) == hours(4)); |
| std::cout << to_simple_string(us_eastern::local_to_utc_offset(t11)) << std::endl; |
| ptime t11_check(d4, hours(7));//now utc offset is only 4 hours |
| ptime t11_local = t11 + us_eastern::local_to_utc_offset(t11); |
| std::cout << to_simple_string(t11_local) << " " |
| << to_simple_string(t11_check) |
| << std::endl; |
| check("check local calculation", t11_local == t11_check); |
| //should get same offset with DST flag set |
| check("check local offset-dst flag on", |
| us_eastern::local_to_utc_offset(t11, boost::date_time::is_dst) == hours(4)); |
| check("check local offset-dst flag override", |
| us_eastern::local_to_utc_offset(t11, boost::date_time::not_dst) == hours(5)); |
| |
| |
| //Check the start of dst boundary |
| ptime l_not_dst(dst_start, time_duration(1,59,59)); //2002-Apr-07 01:59:59 |
| check("check local dst start boundary case", |
| us_eastern::local_to_utc_offset(l_not_dst) == hours(5)); |
| ptime u_not_dst(dst_start, time_duration(6,59,59)); |
| check("check utc dst start boundary case", |
| us_eastern::utc_to_local_offset(u_not_dst) == hours(-5)); |
| ptime l_in_dst(dst_start, hours(3)); //2002-Apr-07 03:00:00 1st sec of dst |
| check("check local dst start boundary case", |
| us_eastern::local_to_utc_offset(l_in_dst, boost::date_time::is_dst) == hours(4)); |
| ptime u_in_dst(dst_start, hours(7)); |
| check("check utc dst start boundary case", |
| us_eastern::utc_to_local_offset(u_in_dst) == hours(-4)); |
| |
| |
| //Check the end of dst boundary |
| ptime dst_end(dst_end_day, time_duration(1,59,59)); //2002-Oct-27 01:00:00 DST |
| check("check local dst end boundary case - still dst", |
| us_eastern::local_to_utc_offset(dst_end, boost::date_time::is_dst) == hours(4)); |
| check("check local dst end boundary case - still dst", |
| us_eastern::local_to_utc_offset(dst_end, boost::date_time::not_dst) == hours(5)); |
| ptime u_dst_end1(dst_end_day, time_duration(5,59,59)); |
| check("check utc dst end boundary case", |
| us_eastern::utc_to_local_offset(u_dst_end1) == hours(-4)); |
| ptime u_dst_end2(dst_end_day, time_duration(6,0,0)); |
| check("check utc dst end boundary case", |
| us_eastern::utc_to_local_offset(u_dst_end2) == hours(-5)); |
| ptime u_dst_end3(dst_end_day, time_duration(6,59,59)); |
| check("check utc dst end boundary case", |
| us_eastern::utc_to_local_offset(u_dst_end3) == hours(-5)); |
| ptime u_dst_end4(dst_end_day, time_duration(7,0,0)); |
| check("check utc dst end boundary case", |
| us_eastern::utc_to_local_offset(u_dst_end4) == hours(-5)); |
| |
| |
| //Now try a local adjustments without dst |
| typedef boost::date_time::utc_adjustment<time_duration,-7> us_az_offset_adj; |
| typedef boost::date_time::null_dst_rules<date, time_duration> us_az_dst_adj; |
| //Type that embeds rules for UTC-7 with no dst |
| typedef boost::date_time::static_local_time_adjustor<ptime, |
| us_az_dst_adj, |
| us_az_offset_adj> us_az; |
| |
| check("check local offset - no dst", |
| us_az::local_to_utc_offset(t10) == hours(7)); |
| check("check local offset - no dst", |
| us_az::local_to_utc_offset(t11) == hours(7)); |
| check("check local offset - no dst", |
| us_az::utc_to_local_offset(t10) == hours(-7)); |
| check("check local offset - no dst", |
| us_az::utc_to_local_offset(t11) == hours(-7)); |
| |
| |
| //Arizona timezone is utc-7 with no dst |
| typedef boost::date_time::local_adjustor<ptime, -7, no_dst> us_arizona; |
| |
| ptime t7(date(2002,May,31), hours(17)); |
| ptime t8 = us_arizona::local_to_utc(t7); |
| ptime t9 = us_arizona::utc_to_local(t8); |
| //converted to local then back ot utc |
| check("check us_local_adjustor", t9 == t7); |
| |
| typedef boost::date_time::local_adjustor<ptime, -5, us_dst> us_eastern2; |
| |
| ptime t7a(date(2002,May,31), hours(17)); |
| ptime t7b = us_eastern2::local_to_utc(t7a); |
| ptime t7c = us_eastern2::utc_to_local(t7b); |
| //converted to local then back ot utc |
| check("check us_local_adjustor", t7c == t7a); |
| |
| |
| typedef boost::date_time::us_dst_trait<date> us_dst_traits; |
| typedef boost::date_time::dst_calc_engine<date, time_duration, us_dst_traits> |
| us_dst_calc2; |
| |
| typedef boost::date_time::local_adjustor<ptime, -5, us_dst_calc2> us_eastern3; |
| { |
| ptime t7a(date(2002,May,31), hours(17)); |
| ptime t7b = us_eastern3::local_to_utc(t7a); |
| ptime t7c = us_eastern3::utc_to_local(t7b); |
| //converted to local then back ot utc |
| check("check us_local_adjustor3", t7c == t7a); |
| } |
| |
| { |
| ptime t7a(date(2007,Mar,11), hours(4)); |
| ptime t7b = us_eastern3::local_to_utc(t7a); |
| ptime t7c = us_eastern3::utc_to_local(t7b); |
| //converted to local then back ot utc |
| check("check us_local_adjustor3 2007", t7c == t7a); |
| } |
| |
| { |
| ptime t7a(date(2007,Mar,11), hours(3)); |
| ptime t7b = us_eastern3::local_to_utc(t7a); |
| ptime t7c = us_eastern3::utc_to_local(t7b); |
| //converted to local then back ot utc |
| check("check us_local_adjustor3 2007 a", t7c == t7a); |
| } |
| |
| //still experimental |
| typedef boost::date_time::dynamic_local_time_adjustor<ptime, us_dst> lta; |
| // lta adjustor(hours(-7)); |
| check("dst start", lta::local_dst_start_day(2002) == dst_start); |
| check("dst end", lta::local_dst_end_day(2002) == dst_end_day); |
| check("dst boundary", lta::is_dst_boundary_day(dst_start)); |
| check("dst boundary", lta::is_dst_boundary_day(dst_end_day)); |
| // check("check non-dst offset", adjustor.utc_offset(false)==hours(-7)); |
| // check("check dst offset", adjustor.utc_offset(true)==hours(-6)); |
| |
| |
| check("dst start", lta::local_dst_start_day(2007) == date(2007,Mar,11)); |
| check("dst end", lta::local_dst_end_day(2007) == date(2007,Nov,4)); |
| |
| return printTestStats(); |
| |
| } |
| |