Files
date_time/test/posix_time/testdst_rules.cpp
Jeff Garland bf50b61121 fix tabs
[SVN r15188]
2002-09-06 22:07:56 +00:00

148 lines
6.5 KiB
C++

#include "boost/date_time/posix_time/posix_time.hpp"
#include "boost/date_time/dst_rules.hpp"
#include "boost/date_time/testfrmwk.hpp"
int
main()
{
using namespace boost::posix_time;
using namespace boost::gregorian;
date d(2002,Feb,1);
ptime t(d);
//The following defines the US dst boundaries, except that the
//start and end dates are hard coded.
typedef boost::date_time::us_dst_rules<date, time_duration, 120, 60> us_dst;
date dst_start(2002,Apr, 7);
date dst_end(2002,Oct, 27);
ptime t3a(dst_start, time_duration(2,0,0)); //invalid time label
ptime t3b(dst_start, time_duration(2,59,59)); //invalid time label
ptime t4(dst_start, time_duration(1,59,59)); //not ds
ptime t5(dst_start, time_duration(3,0,0)); //always dst
ptime t6(dst_end, time_duration(0,59,59)); //is dst
ptime t7(dst_end, time_duration(1,0,0)); //ambiguous
ptime t8(dst_end, time_duration(1,59,59)); //ambiguous
ptime t9(dst_end, time_duration(2,0,0)); //always not dst
check("dst start", us_dst::local_dst_start_day(2002) == dst_start);
check("dst end", us_dst::local_dst_end_day(2002) == dst_end);
check("dst boundary", us_dst::is_dst_boundary_day(dst_start));
check("dst boundary", us_dst::is_dst_boundary_day(dst_end));
check("check if time is dst -- not",
us_dst::local_is_dst(t.date(), t.time_of_day())==boost::date_time::is_not_in_dst);
check("label on dst boundary invalid",
us_dst::local_is_dst(t3a.date(),t3a.time_of_day())==boost::date_time::invalid_time_label);
check("label on dst boundary invalid",
us_dst::local_is_dst(t3b.date(),t3b.time_of_day())==boost::date_time::invalid_time_label);
check("check if time is dst -- not",
us_dst::local_is_dst(t4.date(),t4.time_of_day())==boost::date_time::is_not_in_dst);
check("check if time is dst -- yes",
us_dst::local_is_dst(t5.date(),t5.time_of_day())==boost::date_time::is_in_dst);
check("check if time is dst -- not",
us_dst::local_is_dst(t6.date(),t6.time_of_day())==boost::date_time::is_in_dst);
check("check if time is dst -- ambig",
us_dst::local_is_dst(t7.date(),t7.time_of_day())==boost::date_time::ambiguous);
check("check if time is dst -- ambig",
us_dst::local_is_dst(t8.date(),t8.time_of_day())==boost::date_time::ambiguous);
check("check if time is dst -- not",
us_dst::local_is_dst(t9.date(),t9.time_of_day())==boost::date_time::is_not_in_dst);
//Now try a local without dst
typedef boost::date_time::null_dst_rules<date, time_duration> no_dst_adj;
check("check null dst rules",
no_dst_adj::local_is_dst(t4.date(),t4.time_of_day())==boost::date_time::is_not_in_dst);
check("check null dst rules",
no_dst_adj::local_is_dst(t5.date(),t5.time_of_day())==boost::date_time::is_not_in_dst);
check("check null dst rules",
no_dst_adj::utc_is_dst(t4.date(),t4.time_of_day())==boost::date_time::is_not_in_dst);
check("check null dst rules",
no_dst_adj::utc_is_dst(t5.date(),t5.time_of_day())==boost::date_time::is_not_in_dst);
//Try a southern hemisphere adjustment calculation
//This is following the rules for South Australia as best I can
//decipher them. Basically conversion to DST is last Sunday in
//October 02:00:00 and conversion off of dst is last sunday in
//March 02:00:00.
//This stuff uses the dst calculator directly...
date dst_start2(2002,Oct,27); //last Sunday in Oct
date dst_end2(2002,Mar,31); //last Sunday in March
typedef boost::date_time::dst_calculator<date,time_duration> dstcalc;
//clearly not in dst
boost::date_time::time_is_dst_result a1 =
dstcalc::local_is_dst(date(2002,May,1),hours(3),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern not dst", a1==boost::date_time::is_not_in_dst);
boost::date_time::time_is_dst_result a2 =
dstcalc::local_is_dst(date(2002,Jan,1),hours(3),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern is dst", a2==boost::date_time::is_in_dst);
boost::date_time::time_is_dst_result a3 =
dstcalc::local_is_dst(date(2002,Oct,28),hours(3),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern is dst", a3==boost::date_time::is_in_dst);
boost::date_time::time_is_dst_result a4 =
dstcalc::local_is_dst(date(2002,Oct,27),time_duration(1,59,59),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern boundary-not dst", a4==boost::date_time::is_not_in_dst);
boost::date_time::time_is_dst_result a5 =
dstcalc::local_is_dst(date(2002,Oct,27),hours(3),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern boundary-is dst", a5==boost::date_time::is_in_dst);
boost::date_time::time_is_dst_result a6 =
dstcalc::local_is_dst(date(2002,Oct,27),hours(2),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern boundary-invalid time", a6==boost::date_time::invalid_time_label);
boost::date_time::time_is_dst_result a7 =
dstcalc::local_is_dst(date(2002,Mar,31),time_duration(0,59,59),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern boundary-is dst", a7==boost::date_time::is_in_dst);
boost::date_time::time_is_dst_result a8 =
dstcalc::local_is_dst(date(2002,Mar,31),time_duration(1,0,0),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern boundary-ambiguous", a8==boost::date_time::ambiguous);
boost::date_time::time_is_dst_result a9 =
dstcalc::local_is_dst(date(2002,Mar,31),time_duration(1,59,59),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern boundary-ambiguous", a9==boost::date_time::ambiguous);
boost::date_time::time_is_dst_result a10 =
dstcalc::local_is_dst(date(2002,Mar,31),time_duration(2,0,0),
dst_start2, 120,
dst_end2, 120,
60);
check("check southern boundary-not", a10==boost::date_time::is_not_in_dst);
printTestStats();
return 0;
}