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dates_tu_check.c
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dates_tu_check.c
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#define _DEFAULT_SOURCE
#define _XOPEN_SOURCE
#define _POSIX_C_SOURCE
#include <check.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <time.h>
#include <limits.h>
#include <locale.h>
#include <stdlib.h>
#include "dates.h"
/*************** INITIALISATION *************************/
static locale_t locale;
// A French seating in Italy:
static const char *Spokenlanguage = "fr_FR.utf8"; // The user spoken language: French language, as spoken in France
static const char *Wallclock = "Europe/Rome"; // The user timezone: Italy
/// Done once for all tests
static void
unckecked_setup (void)
{
if ((locale = newlocale (LC_ALL_MASK, Spokenlanguage, 0)))
uselocale (locale); // uselocale is MT-Safe (better than setlocale which is MT-Unsafe const:locale env)
ck_assert (locale);
}
static void
unckecked_setup_is_TZ_owner (void)
{
unckecked_setup ();
tm_is_TZ_owner = 1;
}
static void
unckecked_setup_is_not_TZ_owner (void)
{
unckecked_setup ();
tm_is_TZ_owner = 0;
}
/// Done once for all tests
static void
unckecked_teardown (void)
{
if (locale)
freelocale (locale);
printf ("All done.\n");
}
/// Done once for every test
static void
ckecked_setup (void)
{
ck_assert (tm_setlocalwallclock (Wallclock) == TM_OK);
}
/// Done once for every test
static void
ckecked_teardown (void)
{
}
/****************************************************/
static void
tm_print (struct tm date, int line)
{
char buf[1000];
strftime (buf, sizeof (buf), "* %x %X\n" "* %c\n" "* %Z\n" "* %G-W%V-%u\n" "* %Y-D%j", &date);
char strd[1000];
char strt[1000];
char strdt[1000];
tm_datetostring (date, 1000, strd);
tm_timetostring (date, 1000, strt);
tm_tostring (date, 1000, strdt);
printf ("---- line %i\n"
"Structure tm (%p):\n"
" tm_year: %i\n"
" tm_mon: %i\n"
" tm_mday: %i\n"
" tm_hour: %i\n"
" tm_min: %i\n"
" tm_sec: %i\n"
" tm_wday: %i\n"
" tm_yday: %i\n"
" tm_isdst: %i\n"
" tm_isinsidedaylightsavingtimeoverlap: %i\n"
" nb_hours: %i\n"
" tm_gmtoff: %+li\n"
" tm_zone: %s (%s)\n"
"%04i-W%02i-%i\n"
"%04i-D%03i%+is\n"
"%s\n"
"%s (%s ; %s ; %s)\n"
"----\n",
line,
(void *) &date,
date.tm_year,
date.tm_mon,
date.tm_mday,
date.tm_hour,
date.tm_min,
date.tm_sec,
date.tm_wday,
date.tm_yday,
date.tm_isdst,
tm_isinsidedaylightsavingtimeoverlap (date),
tm_getsecondsinday (tm_getyear (date), tm_getmonth (date), tm_getday (date)) / 3600,
date.tm_gmtoff,
date.tm_zone ? date.tm_zone : "(null)",
tm_isdefinedinlocaltime (date) ? "local" : tm_isdefinedinutc (date) ? "utc" : "alternate",
tm_getisoyear (date), tm_getisoweek (date), tm_getdayofweek (date), tm_getyear (date), tm_getdayofyear (date),
tm_getsecondsofday (date), buf, asctime (&date), strd, strt, strdt);
fflush (stdout);
}
/************************* TESTS ***********************/
START_TEST (tu_now)
{
struct tm maintenant;
tm_set (&maintenant);
tm_print (maintenant, __LINE__);
ck_assert (tm_isdefinedinlocaltime (maintenant));
tm_changetowallclock (&maintenant, TM_REF_UTC);
tm_print (maintenant, __LINE__);
ck_assert (tm_getutcoffset (maintenant) == 0);
ck_assert (tm_isdefinedinutc (maintenant));
}
END_TEST
START_TEST (tu_today)
{
struct tm aujourdhui;
tm_set (&aujourdhui, TM_TODAY);
tm_print (aujourdhui, __LINE__);
ck_assert (tm_isdefinedinlocaltime (aujourdhui));
ck_assert (tm_gethour (aujourdhui) == 0);
ck_assert (tm_getminute (aujourdhui) == 0);
ck_assert (tm_getsecond (aujourdhui) == 0);
tm_changetowallclock (&aujourdhui, TM_REF_UTC);
tm_print (aujourdhui, __LINE__);
ck_assert (tm_getutcoffset (aujourdhui) == 0);
ck_assert (tm_isdefinedinutc (aujourdhui));
}
END_TEST
START_TEST (tu_today_utc)
{
struct tm aujourdhui;
tm_set (&aujourdhui); // Now
ck_assert (tm_isdefinedinlocaltime (aujourdhui));
tm_changetoutc (&aujourdhui);
tm_trimtime (&aujourdhui);
tm_print (aujourdhui, __LINE__);
ck_assert (tm_getutcoffset (aujourdhui) == 0);
ck_assert (tm_isdefinedinutc (aujourdhui));
ck_assert (tm_gethour (aujourdhui) == 0);
ck_assert (tm_getminute (aujourdhui) == 0);
ck_assert (tm_getsecond (aujourdhui) == 0);
tm_changetolocaltime (&aujourdhui);
ck_assert (tm_gethour (aujourdhui) == tm_getutcoffset (aujourdhui) / 3600);
tm_print (aujourdhui, __LINE__);
ck_assert (tm_isdefinedinlocaltime (aujourdhui));
tm_changetosystemtime (&aujourdhui);
ck_assert (tm_isdefinedinsystemtime (aujourdhui));
}
END_TEST
START_TEST (tu_local)
{
struct tm dt;
ck_assert (tm_set (&dt, 2010, 5, 30, 17, 55, 21) != TM_ERROR);
struct tm aDate = dt;
tm_addyears (&aDate, -1);
tm_addseconds (&aDate, 60 * 60 * 24 * 365);
ck_assert (tm_equals (aDate, dt));
ck_assert (tm_set (&dt, 2010, 4, 31, 17, 55, 21) == TM_ERROR); // Does not exist
ck_assert (tm_set (&dt, 2015, 2, 29, 17, 55, 21) == TM_ERROR);
ck_assert (tm_set (&dt, 2016, 2, 29, 17, 55, 21) != TM_ERROR);
ck_assert (tm_set (&dt, 2016, 2, 29, 17, 65, 21) == TM_ERROR); // Does not exist
ck_assert (tm_set (&dt, 2016, 3, 27, 2, 12, 21) == TM_ERROR); // Does not exist (DST change)
ck_assert (tm_set (&dt, 2016, 10, 30, 2, 22, 21) != TM_ERROR);
ck_assert (tm_isdefinedinlocaltime (dt));
tm_print (dt, __LINE__);
ck_assert (tm_set (&dt, 2016, 10, 30, 2, 22, 21, TM_REF_LOCALTIME, TM_DST_OVER_ST) != TM_ERROR);
tm_setlocalwallclock ("Europe/Berlin");
ck_assert (!tm_isdefinedinlocaltime (dt));
tm_print (dt, __LINE__);
}
END_TEST
START_TEST (tu_utc)
{
struct tm dt;
ck_assert (tm_set (&dt, 1969, 12, 31, 23, 59, 59, TM_REF_UTC) != TM_ERROR);
struct tm aDate = dt;
tm_addyears (&aDate, -1);
tm_addseconds (&aDate, 60 * 60 * 24 * 365);
ck_assert (tm_equals (aDate, dt));
ck_assert (tm_set (&dt, 2010, 5, 30, 17, 55, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_set (&dt, 2010, 4, 31, 17, 55, 21, TM_REF_UTC) == TM_ERROR); // Does not exist
ck_assert (tm_set (&dt, 2015, 2, 29, 17, 55, 21, TM_REF_UTC) == TM_ERROR); // Does not exist
ck_assert (tm_set (&dt, 2016, 2, 29, 17, 55, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_set (&dt, 2016, 2, 29, 17, 65, 21, TM_REF_UTC) == TM_ERROR); // Does not exist
ck_assert (tm_set (&dt, 2016, 3, 27, 2, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_set (&dt, 2016, 10, 30, 2, 22, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_getutcoffset (dt) == 0);
ck_assert (tm_isdefinedinutc (dt));
}
END_TEST
START_TEST (tu_set_from_local)
{
struct tm dt;
tm_set (&dt);
ck_assert (tm_isdefinedinlocaltime (dt));
ck_assert (tm_set (&dt, 2016, 3, 27, 2, 12, 21) == TM_ERROR); // Missing hour when switching to DST
ck_assert (tm_isdefinedinlocaltime (dt));
ck_assert (tm_set (&dt, 2012, 12, 31, 23, 59, 59) != TM_ERROR);
ck_assert (tm_isdefinedinlocaltime (dt));
ck_assert (tm_setdatefromstring (&dt, "23/4/1987") != TM_ERROR);
ck_assert (tm_setdatefromstring (&dt, "23/09/1987") != TM_ERROR);
ck_assert (tm_isdefinedinlocaltime (dt));
ck_assert (tm_setdatefromstring (&dt, "33/4/1987") == TM_ERROR);
ck_assert (tm_setdatefromstring (&dt, "23/4") == TM_ERROR);
ck_assert (tm_isdefinedinlocaltime (dt));
ck_assert (tm_setdatefromstring (&dt, "1999-03-17") != TM_ERROR); // ISO format
ck_assert (tm_setdatefromstring (&dt, "1999-02-29") == TM_ERROR);
ck_assert (tm_settimefromstring (&dt, "23:04") != TM_ERROR);
ck_assert (tm_settimefromstring (&dt, "25:04") == TM_ERROR); // 25
ck_assert (tm_isdefinedinlocaltime (dt));
ck_assert (tm_settimefromstring (&dt, "33/4/1987") == TM_ERROR); // date
ck_assert (tm_settimefromstring (&dt, "23:04:03") != TM_ERROR);
ck_assert (tm_isdefinedinlocaltime (dt));
}
END_TEST
START_TEST (tu_set_from_utc)
{
struct tm dt;
tm_set (&dt);
tm_changetowallclock (&dt, TM_REF_UTC);
ck_assert (tm_isdefinedinutc (dt));
ck_assert (tm_set (&dt, 2012, 12, 31, 23, 59, 59, TM_REF_UNCHANGED) != TM_ERROR);
ck_assert (tm_set (&dt, 1970, 1, 1, 0, 0, 0, TM_REF_UNCHANGED) == TM_OK);
ck_assert (tm_isdefinedinutc (dt));
ck_assert (tm_getutcoffset (dt) == 0);
ck_assert (tm_setdatefromstring (&dt, "23/4/1987") != TM_ERROR);
ck_assert (tm_setdatefromstring (&dt, "23/09/1987") != TM_ERROR);
ck_assert (tm_isdefinedinutc (dt));
ck_assert (tm_setdatefromstring (&dt, "33/4/1987") == TM_ERROR); // 33
ck_assert (tm_setdatefromstring (&dt, "23/4") == TM_ERROR);
ck_assert (tm_isdefinedinutc (dt));
ck_assert (tm_getutcoffset (dt) == 0);
ck_assert (tm_setdatefromstring (&dt, "1999-03-17") != TM_ERROR); // ISO format
ck_assert (tm_setdatefromstring (&dt, "1999-02-29") == TM_ERROR);
ck_assert (tm_settimefromstring (&dt, "23:04") != TM_ERROR);
ck_assert (tm_settimefromstring (&dt, "25:04") == TM_ERROR); // 25
ck_assert (tm_isdefinedinutc (dt));
ck_assert (tm_settimefromstring (&dt, "33/4/1987") == TM_ERROR); // date
ck_assert (tm_settimefromstring (&dt, "23:04:03") != TM_ERROR);
ck_assert (tm_isdefinedinutc (dt));
ck_assert (tm_getutcoffset (dt) == 0);
}
END_TEST
START_TEST (tu_tostring_local)
{
struct tm dt;
char str[100];
ck_assert (tm_set (&dt, 2012, 12, 31, 23, 59, 59) != TM_ERROR);
ck_assert (tm_datetostring (dt, 0, 0) == TM_ERROR);
ck_assert (tm_datetostring (dt, 0, str) == TM_ERROR);
ck_assert (tm_datetostring (dt, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "31/12/2012") == 0);
ck_assert (tm_timetostring (dt, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "23:59:59") == 0);
ck_assert (tm_toiso8601 (dt, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "20121231T235959+0100") == 0);
}
END_TEST
START_TEST (tu_tostring_utc)
{
struct tm dt;
char str[100];
ck_assert (tm_set (&dt, 2013, 11, 30, 22, 58, 57, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_datetostring (dt, 0, 0) == TM_ERROR);
ck_assert (tm_datetostring (dt, 0, str) == TM_ERROR);
ck_assert (tm_datetostring (dt, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "30/11/2013 (UTC)") == 0);
ck_assert (tm_timetostring (dt, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "22:58:57 (UTC)") == 0);
ck_assert (tm_tostring (dt, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "30/11/2013 22:58:57 (UTC)") == 0);
ck_assert (tm_toiso8601 (dt, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "20131130T225857+0000") == 0);
}
END_TEST
START_TEST (tu_getters_local)
{
struct tm dt;
ck_assert (tm_set (&dt, 2012, 12, 31, 23, 59, 58) != TM_ERROR);
ck_assert (tm_getyear (dt) == 2012);
ck_assert (tm_getmonth (dt) == TM_DECEMBER);
ck_assert (tm_getday (dt) == 31);
ck_assert (tm_gethour (dt) == 23);
ck_assert (tm_getminute (dt) == 59);
ck_assert (tm_getsecond (dt) == 58);
ck_assert (tm_getdayofyear (dt) == 366);
ck_assert (tm_getdayofweek (dt) == TM_MONDAY);
}
END_TEST
START_TEST (tu_getters_utc)
{
struct tm dt;
ck_assert (tm_set (&dt, 2013, 11, 30, 22, 58, 57, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_getyear (dt) == 2013);
ck_assert (tm_getmonth (dt) == TM_NOVEMBER);
ck_assert (tm_getday (dt) == 30);
ck_assert (tm_gethour (dt) == 22);
ck_assert (tm_getminute (dt) == 58);
ck_assert (tm_getsecond (dt) == 57);
ck_assert (tm_getdayofyear (dt) == 334);
ck_assert (tm_getdayofweek (dt) == TM_SATURDAY);
}
END_TEST
START_TEST (tu_ops_local)
{
struct tm dt;
ck_assert (tm_set (&dt, 2016, 5, 27, 1, 12, 21) != TM_ERROR);
ck_assert (tm_addhours (&dt, 6 * 24) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 5, 27, 1, 12, 21) != TM_ERROR);
ck_assert (tm_adddays (&dt, 6) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 5, 27, 1, 12, 21) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 9) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_FEBRUARY);
ck_assert (tm_getday (dt) == 27);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, TM_MARCH, 27, 1, 12, 21) != TM_ERROR);
ck_assert (tm_addhours (&dt, 6 * 24) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 2);
ck_assert (tm_set (&dt, 2016, TM_MARCH, 26, 2, 12, 21) != TM_ERROR);
ck_assert (tm_adddays (&dt, 1) == TM_OK);
ck_assert (tm_getday (dt) == 27);
ck_assert (tm_gethour (dt) == 3);
ck_assert (tm_set (&dt, 2016, TM_MARCH, 27, 1, 12, 21) != TM_ERROR);
ck_assert (tm_adddays (&dt, 6) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, TM_FEBRUARY, 27, 2, 12, 21) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 1) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_MARCH);
ck_assert (tm_getday (dt) == 27);
ck_assert (tm_gethour (dt) == 3);
ck_assert (tm_set (&dt, 2016, TM_MARCH, 27, 1, 12, 21) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 9) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_DECEMBER);
ck_assert (tm_getday (dt) == 27);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 10, 30, 1, 12, 21) != TM_ERROR);
ck_assert (tm_addhours (&dt, 6 * 24) == TM_OK);
ck_assert (tm_getday (dt) == 5);
ck_assert (tm_gethour (dt) == 0);
ck_assert (tm_set (&dt, 2016, 10, 30, 1, 12, 21) != TM_ERROR);
ck_assert (tm_adddays (&dt, 6) == TM_OK);
ck_assert (tm_getday (dt) == 5);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, TM_OCTOBER, 30, 1, 12, 21) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 6) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_APRIL);
ck_assert (tm_getday (dt) == 30);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, TM_OCTOBER, 31, 1, 12, 21) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 1) == TM_OK);
ck_assert (tm_getday (dt) == 30);
ck_assert (tm_addmonths (&dt, 3) == TM_OK);
ck_assert (tm_getday (dt) == 28);
ck_assert (tm_addmonths (&dt, -4) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_OCTOBER);
ck_assert (tm_getday (dt) == 28);
ck_assert (tm_set (&dt, 2016, 3, 26, 2, 12, 21) != TM_ERROR);
ck_assert (tm_getday (dt) == 26);
ck_assert (tm_gethour (dt) == 2);
ck_assert (tm_adddays (&dt, 1) == TM_OK);
ck_assert (tm_getday (dt) == 27);
ck_assert (tm_gethour (dt) == 3);
ck_assert (tm_adddays (&dt, -1) == TM_OK);
ck_assert (tm_getday (dt) == 26);
ck_assert (tm_gethour (dt) == 3);
ck_assert (tm_set (&dt, 2016, TM_MARCH, 14, 9, 0, 0) != TM_ERROR);
ck_assert (tm_adddays (&dt, 14) == TM_OK);
ck_assert (tm_getday (dt) == 28);
ck_assert (tm_gethour (dt) == 9);
}
END_TEST
START_TEST (tu_ops_utc)
{
struct tm dt;
ck_assert (tm_set (&dt, 2016, 5, 27, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_addhours (&dt, 6 * 24) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 5, 27, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_adddays (&dt, 6) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 5, 27, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 9) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_FEBRUARY);
ck_assert (tm_getday (dt) == 27);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 3, 27, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_addhours (&dt, 6 * 24) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 3, 27, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_adddays (&dt, 6) == TM_OK);
ck_assert (tm_getday (dt) == 2);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 3, 27, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 9) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_DECEMBER);
ck_assert (tm_getday (dt) == 27);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 10, 30, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_addhours (&dt, 6 * 24) == TM_OK);
ck_assert (tm_getday (dt) == 5);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 10, 30, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_adddays (&dt, 6) == TM_OK);
ck_assert (tm_getday (dt) == 5);
ck_assert (tm_gethour (dt) == 1);
ck_assert (tm_set (&dt, 2016, 10, 30, 1, 12, 21, TM_REF_UTC) != TM_ERROR);
ck_assert (tm_addmonths (&dt, 6) == TM_OK);
ck_assert (tm_getmonth (dt) == TM_APRIL);
ck_assert (tm_getday (dt) == 30);
ck_assert (tm_gethour (dt) == 1);
}
END_TEST
START_TEST (tu_dst)
{
ck_assert (tm_getsecondsinday (2016, 9, 27) == 24 * 3600);
ck_assert (tm_getsecondsinday (2016, 10, 30) == 25 * 3600);
ck_assert (tm_getsecondsinday (2016, 3, 27) == 23 * 3600);
ck_assert (tm_getsecondsinday (2016, 9, 27, TM_REF_UTC) == 24 * 3600);
ck_assert (tm_getsecondsinday (2016, 10, 30, TM_REF_UTC) == 24 * 3600);
ck_assert (tm_getsecondsinday (2016, 3, 27, TM_REF_UTC) == 24 * 3600);
}
END_TEST
START_TEST (tu_dst_summer)
{
struct tm aDate;
tm_set (&aDate, 2016, 3, 27, 1, 30, 0);
ck_assert (!tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 1);
int utcoffset = tm_getutcoffset (aDate);
ck_assert (tm_getsecondsofday (aDate) == 3600 + 1800);
tm_addminutes (&aDate, 60);
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 3);
ck_assert (tm_getutcoffset (aDate) == utcoffset + 3600);
ck_assert (tm_getsecondsofday (aDate) == 2 * 3600 + 1800);
}
END_TEST
START_TEST (tu_dst_winter)
{
struct tm aDate;
tm_set (&aDate, 2002, 10, 27, 1, 30, 0);
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 1);
int utcoffset = tm_getutcoffset (aDate);
ck_assert (tm_getsecondsofday (aDate) == 3600 + 1800);
struct tm bDate = aDate;
tm_addyears (&bDate, -1);
tm_addseconds (&bDate, 60 * 60 * 24 * 365);
ck_assert (tm_equals (aDate, bDate));
tm_addseconds (&aDate, 3600);
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 2);
ck_assert (tm_getutcoffset (aDate) == utcoffset);
ck_assert (tm_getsecondsofday (aDate) == 2 * 3600 + 1800);
tm_addminutes (&aDate, 60);
ck_assert (!tm_isdaylightsavingtimeineffect (aDate));
ck_assert (tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 2);
ck_assert (tm_getutcoffset (aDate) == utcoffset - 3600);
ck_assert (tm_getsecondsofday (aDate) == 3 * 3600 + 1800);
tm_addhours (&aDate, 1);
ck_assert (!tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 3);
ck_assert (tm_getutcoffset (aDate) == utcoffset - 3600);
ck_assert (tm_getsecondsofday (aDate) == 4 * 3600 + 1800);
tm_addseconds (&aDate, -3600);
ck_assert (!tm_isdaylightsavingtimeineffect (aDate));
ck_assert (tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 2);
ck_assert (tm_getutcoffset (aDate) == utcoffset - 3600);
ck_assert (tm_getsecondsofday (aDate) == 3 * 3600 + 1800);
tm_addminutes (&aDate, -60);
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 2);
ck_assert (tm_getutcoffset (aDate) == utcoffset);
ck_assert (tm_getsecondsofday (aDate) == 2 * 3600 + 1800);
tm_addhours (&aDate, -1);
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 1);
ck_assert (tm_getutcoffset (aDate) == utcoffset);
ck_assert (tm_getsecondsofday (aDate) == 3600 + 1800);
tm_set (&aDate, 2002, 10, 27, 1, 30, 0, TM_REF_LOCALTIME, TM_DST_OVER_ST);
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 1);
ck_assert (tm_getutcoffset (aDate) == utcoffset);
ck_assert (tm_getsecondsofday (aDate) == 3600 + 1800);
tm_set (&aDate, 2002, 10, 27, 1, 30, 0, TM_REF_LOCALTIME, TM_ST_OVER_DST);
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 1);
ck_assert (tm_getutcoffset (aDate) == utcoffset);
ck_assert (tm_getsecondsofday (aDate) == 3600 + 1800);
tm_set (&aDate, 2002, 10, 27, 2, 30, 0, TM_REF_LOCALTIME, TM_DST_OVER_ST); // 2.30am Summer time
ck_assert (tm_isdaylightsavingtimeineffect (aDate));
ck_assert (tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 2);
ck_assert (tm_getutcoffset (aDate) == utcoffset);
ck_assert (tm_getsecondsofday (aDate) == 2 * 3600 + 1800);
tm_set (&aDate, 2002, 10, 27, 2, 30, 0, TM_REF_LOCALTIME, TM_ST_OVER_DST); // 2.30am Winter time
ck_assert (!tm_isdaylightsavingtimeineffect (aDate));
ck_assert (tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 2);
ck_assert (tm_getutcoffset (aDate) == utcoffset - 3600);
ck_assert (tm_getsecondsofday (aDate) == 3 * 3600 + 1800);
tm_set (&aDate, 2002, 10, 27, 3, 30, 0, TM_REF_LOCALTIME, TM_DST_OVER_ST);
ck_assert (!tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 3);
ck_assert (tm_getutcoffset (aDate) == utcoffset - 3600);
ck_assert (tm_getsecondsofday (aDate) == 4 * 3600 + 1800);
tm_set (&aDate, 2002, 10, 27, 3, 30, 0, TM_REF_LOCALTIME, TM_ST_OVER_DST);
ck_assert (!tm_isdaylightsavingtimeineffect (aDate));
ck_assert (!tm_isinsidedaylightsavingtimeoverlap (aDate));
ck_assert (tm_gethour (aDate) == 3);
ck_assert (tm_getutcoffset (aDate) == utcoffset - 3600);
ck_assert (tm_getsecondsofday (aDate) == 4 * 3600 + 1800);
}
END_TEST
START_TEST (tu_iso)
{
struct tm aDate;
tm_set (&aDate, 2003, 12, 28, 10, 0, 0);
ck_assert (tm_getisoyear (aDate) == 2003);
ck_assert (tm_getisoweek (aDate) == 52);
ck_assert (tm_getweeksinisoyear (2003) == 52);
tm_set (&aDate, 2003, 12, 29, 10, 0, 0);
ck_assert (tm_getisoyear (aDate) == 2004);
ck_assert (tm_getisoweek (aDate) == 1);
tm_set (&aDate, 2005, 1, 2, 10, 0, 0);
ck_assert (tm_getisoyear (aDate) == 2004);
ck_assert (tm_getisoweek (aDate) == 53);
ck_assert (tm_getweeksinisoyear (2004) == 53);
tm_set (&aDate, 2005, 1, 3, 10, 0, 0);
ck_assert (tm_getisoyear (aDate) == 2005);
ck_assert (tm_getisoweek (aDate) == 1);
ck_assert (tm_getweeksinisoyear (2005) == 52);
}
END_TEST
START_TEST (tu_calendar)
{
ck_assert (!tm_isleapyear (1900));
ck_assert (tm_isleapyear (2000));
ck_assert (!tm_isleapyear (2001));
ck_assert (tm_isleapyear (2004));
ck_assert (tm_getdaysinyear (1900) == 365);
ck_assert (tm_getdaysinyear (2000) == 366);
ck_assert (tm_getdaysinyear (2001) == 365);
ck_assert (tm_getdaysinyear (2004) == 366);
ck_assert (tm_getdaysinmonth (2000, 1) == 31);
ck_assert (tm_getdaysinmonth (2000, 2) == 29);
ck_assert (tm_getdaysinmonth (2000, 3) == 31);
ck_assert (tm_getdaysinmonth (2000, 4) == 30);
ck_assert (tm_getdaysinmonth (2000, 5) == 31);
ck_assert (tm_getdaysinmonth (2000, 6) == 30);
ck_assert (tm_getdaysinmonth (2000, 7) == 31);
ck_assert (tm_getdaysinmonth (2000, 8) == 31);
ck_assert (tm_getdaysinmonth (2000, 9) == 30);
ck_assert (tm_getdaysinmonth (2000, 10) == 31);
ck_assert (tm_getdaysinmonth (2000, 11) == 30);
ck_assert (tm_getdaysinmonth (2000, 12) == 31);
}
END_TEST
START_TEST (tu_diff_local)
{
struct tm debut, fin;
int m, d, s;
ck_assert (tm_set (&debut, 2015, 11, 28, 11, 20, 0) == TM_OK);
ck_assert (tm_set (&fin, 2016, 7, 16, 9, 20, 57) == TM_OK);
ck_assert (tm_diffseconds (debut, fin) ==
(30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) * 24 * 3600 - 12 * 24 * 3600 - 2 * 3600 - 3600 + 57);
ck_assert (tm_diffcalendardays (debut, fin) == (30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) - 12);
ck_assert (tm_diffdays (debut, fin, &s) == (30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) - 12 - 1);
ck_assert (s == 22 * 3600 + 57);
ck_assert (tm_diffweeks (debut, fin, &d, &s) == ((30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) - 12 - 1) / 7);
ck_assert (d == 6 && s == 22 * 3600 + 57);
ck_assert (tm_diffcalendarmonths (debut, fin) == 12 - 4);
ck_assert (tm_diffmonths (debut, fin, &d, &s) == 12 - 4 - 1);
ck_assert (d == 17 && s == 22 * 3600 + 57);
ck_assert (tm_diffcalendaryears (debut, fin) == 1);
ck_assert (tm_diffyears (debut, fin, &m, &d, &s) == 0);
ck_assert (m == 7 && d == 17 && s == 22 * 3600 + 57);
ck_assert (tm_diffisoyears (debut, fin) == 1);
ck_assert (tm_set (&debut, 2016, TM_MARCH, 14, 9, 0, 0) == TM_OK);
ck_assert (tm_set (&fin, 2016, TM_MARCH, 28, 9, 0, 0) == TM_OK);
ck_assert (tm_diffdays (debut, fin) == 14);
ck_assert (tm_diffseconds (debut, fin) == 335 * 3600); // 335 hours instaed of 336
}
END_TEST
START_TEST (tu_diff_utc)
{
struct tm debut, fin;
int m, d, s;
ck_assert (tm_set (&debut, 2015, 11, 28, 11, 20, 50, TM_REF_UTC) == TM_OK);
ck_assert (tm_set (&fin, 2016, 7, 16, 9, 20, 0, TM_REF_UTC) == TM_OK);
ck_assert (tm_diffseconds (debut, fin) ==
(30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) * 24 * 3600 - 12 * 24 * 3600 - 2 * 3600 - 50);
ck_assert (tm_diffcalendardays (debut, fin) == (30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) - 12);
ck_assert (tm_diffdays (debut, fin, &s) == (30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) - 12 - 1);
ck_assert (s == 22 * 3600 - 50);
ck_assert (tm_diffweeks (debut, fin, &d, &s) == ((30 + 31 + 31 + 29 + 31 + 30 + 31 + 30) - 12 - 1) / 7);
ck_assert (d == 6 && s == 22 * 3600 - 50);
ck_assert (tm_diffcalendarmonths (debut, fin) == 12 - 4);
ck_assert (tm_diffmonths (debut, fin, &d, &s) == 12 - 4 - 1);
ck_assert (d == 17 && s == 22 * 3600 - 50);
ck_assert (tm_diffcalendaryears (debut, fin) == 1);
ck_assert (tm_diffyears (debut, fin, &m, &d, &s) == 0);
ck_assert (m == 7 && d == 17 && s == 22 * 3600 - 50);
ck_assert (tm_diffisoyears (debut, fin) == 1);
ck_assert (tm_set (&debut, 2016, TM_MARCH, 14, 9, 0, 0, TM_REF_UTC) == TM_OK);
ck_assert (tm_set (&fin, 2016, TM_MARCH, 28, 9, 0, 0, TM_REF_UTC) == TM_OK);
ck_assert (tm_diffdays (debut, fin, &s) == 14);
ck_assert (tm_diffseconds (debut, fin) == 336 * 3600);
}
END_TEST
START_TEST (tu_equality)
{
struct tm now, utcnow;
tm_set (&now);
utcnow = now;
tm_changetowallclock (&utcnow, TM_REF_UTC);
ck_assert (tm_diffseconds (now, utcnow) == 0);
ck_assert (tm_compare (&now, &utcnow) == 0);
ck_assert (tm_equals (now, utcnow) == 0);
}
END_TEST
START_TEST (tu_change_timezone)
{
char str[200];
// Make use of command zdump -v -c2009,2011 'Europe/Kiev' 'Australia/Adelaide' 'America/Los_Angeles' 'Europe/Paris' for informations on timezonzs
// Setting local time in Kiev
tm_setlocalwallclock ("Europe/Kiev");
struct tm ki;
tm_set (&ki, 2010, TM_MARCH, 21, 18, 0, 0); // UTC+2h
ck_assert (tm_isdaylightsavingtimeineffect (ki) == 0); // DST starts on march, the 28th, at 3am on Kiev
tm_print (ki, __LINE__);
ck_assert (tm_tostring (ki, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "21/03/2010 18:00:00") == 0);
// Time in Adelaide, 8h30 ahead of Kiev (UTC+10:30h)
tm_changetowallclock (&ki, "Australia/Adelaide");
tm_print (ki, __LINE__);
ck_assert (tm_tostring (ki, sizeof (str) / sizeof (*str), str) == TM_OK);
ck_assert (strcmp (str, "22/03/2010 02:30:00 (Australia/Adelaide)") == 0);
ck_assert (tm_isdaylightsavingtimeineffect (ki) != 0); // DST ends on april, the 4th, at 2am
ck_assert (tm_getday (ki) == 21 + (18 + 8) / 24);
ck_assert (tm_gethour (ki) == (18 + 8) % 24);
ck_assert (tm_getminute (ki) == (0 + 30) % 60);
// Time in Los Angeles, 9h before Kiev (UTC-7h)
tm_changetowallclock (&ki, "America/Los_Angeles");
ck_assert (tm_isdaylightsavingtimeineffect (ki) != 0); // DST starts on march, the 14th, at 2am
ck_assert (tm_getday (ki) == 21 + (18 - 9) / 24);
ck_assert (tm_gethour (ki) == (18 - 9) % 24);
ck_assert (tm_getminute (ki) == (0 + 0) % 60);
// Time in Paris, 1h before Kiev (UTC+1h)
tm_changetowallclock (&ki, "Europe/Paris");
ck_assert (tm_isdaylightsavingtimeineffect (ki) == 0); // DST starts on march, the 28th, at 2am
ck_assert (tm_getday (ki) == 21 + (18 - 1) / 24);
ck_assert (tm_gethour (ki) == (18 - 1) % 24);
ck_assert (tm_getminute (ki) == (0 + 0) % 60);
tm_changetowallclock (&ki, "Pacific/Kiritimati");
ck_assert (tm_getutcoffset (ki) == 14 * 3600);
tm_changetowallclock (&ki, "Pacific/Tahiti");
ck_assert (tm_getutcoffset (ki) == -10 * 3600);
}
END_TEST
START_TEST (tu_serialization)
{
struct tm utc;
tm_set (&utc, 2016, TM_JANUARY, 1, 18, 0, 0, TM_REF_UTC);
ck_assert (tm_isdefinedinutc (utc));
long int instant = tm_tobinary (utc);
(void) instant;
struct tm local;
ck_assert (tm_frombinary (&local, instant) == TM_OK);
ck_assert (tm_isdefinedinlocaltime (local));
ck_assert (tm_diffseconds (utc, local) == 0);
ck_assert (tm_compare (&utc, &local) == 0);
ck_assert (tm_equals (utc, local) == 0);
tm_changetowallclock (&utc, TM_REF_LOCALTIME);
ck_assert (tm_isdefinedinlocaltime (utc));
ck_assert (tm_diffseconds (utc, local) == 0);
ck_assert (tm_compare (&utc, &local) == 0);
ck_assert (tm_equals (utc, local) != 0);
}
END_TEST static int
tu_day_loop_check (struct tm start, const char *result)
{
char string[8];
tm_trimtime (&start);
struct tm stop = start;
tm_adddays (&stop, 1);
for (struct tm dt = start; tm_compare (&dt, &stop) < 0; tm_addhours (&dt, 1))
{
int dc = tm_isinsidedaylightsavingtimeoverlap (dt);
int dst = tm_isdaylightsavingtimeineffect (dt);
sprintf (string, "%02i-%02i%s;", tm_gethour (dt), tm_gethour (dt) + 1, dc ? (dst ? "A" : "B") : " ");
if (strncmp (string, result, 7) != 0)
return TM_ERROR;
result += 7;
}
return *result ? TM_ERROR : TM_OK;
}
START_TEST (tu_day_loop)
{
struct tm hour;
const char *result;
result =
"00-01 ;01-02 ;03-04 ;04-05 ;05-06 ;06-07 ;07-08 ;08-09 ;09-10 ;10-11 ;11-12 ;12-13 ;13-14 ;14-15 ;15-16 ;16-17 ;17-18 ;18-19 ;19-20 ;20-21 ;21-22 ;22-23 ;23-24 ;";
tm_set (&hour, 2016, TM_MARCH, 27, 0, 0, 0);
ck_assert (tu_day_loop_check (hour, result) == TM_OK);
result =
"00-01 ;01-02 ;02-03 ;03-04 ;04-05 ;05-06 ;06-07 ;07-08 ;08-09 ;09-10 ;10-11 ;11-12 ;12-13 ;13-14 ;14-15 ;15-16 ;16-17 ;17-18 ;18-19 ;19-20 ;20-21 ;21-22 ;22-23 ;23-24 ;";
tm_set (&hour, 2016, TM_AUGUST, 27, 0, 0, 0);
ck_assert (tu_day_loop_check (hour, result) == TM_OK);
result =
"00-01 ;01-02 ;02-03A;02-03B;03-04 ;04-05 ;05-06 ;06-07 ;07-08 ;08-09 ;09-10 ;10-11 ;11-12 ;12-13 ;13-14 ;14-15 ;15-16 ;16-17 ;17-18 ;18-19 ;19-20 ;20-21 ;21-22 ;22-23 ;23-24 ;";
tm_set (&hour, 2016, TM_OCTOBER, 30, 0, 0, 0);
ck_assert (tu_day_loop_check (hour, result) == TM_OK);
}
END_TEST
START_TEST (tu_beginingoftheday)
{
struct tm date;
tm_set (&date, 2016, TM_DECEMBER, 25, 14, 58, 39);
ck_assert (tm_trimtime (&date) != TM_ERROR);
ck_assert (tm_isdefinedinlocaltime (date));
ck_assert (tm_getyear (date) == 2016);
ck_assert (tm_getmonth (date) == TM_DECEMBER);
ck_assert (tm_getday (date) == 25);
ck_assert (tm_gethour (date) == 0);
ck_assert (tm_getminute (date) == 0);
ck_assert (tm_getsecond (date) == 0);
ck_assert (tm_getsecondsofday (date) == 0);
tm_set (&date, 2016, TM_DECEMBER, 25, 14, 58, 39, TM_REF_UTC);
ck_assert (tm_trimtime (&date) != TM_ERROR);
ck_assert (tm_isdefinedinutc (date));
ck_assert (tm_getyear (date) == 2016);
ck_assert (tm_getmonth (date) == TM_DECEMBER);
ck_assert (tm_getday (date) == 25);
ck_assert (tm_gethour (date) == 0);
ck_assert (tm_getminute (date) == 0);
ck_assert (tm_getsecond (date) == 0);
ck_assert (tm_getsecondsofday (date) == 0);
}
END_TEST
START_TEST (tu_moon_walk)
{
struct tm moon_walk;
// Armstrong became the first person to step onto the lunar surface on July 21 at 02:56 UTC
ck_assert (tm_set (&moon_walk, 1969, TM_JULY, 21, 2, 56, 0, TM_REF_UTC) == TM_OK);
ck_assert (tm_getutcoffset (moon_walk) == 0);
//tm_print (moon_walk);
// TZ='Europe/Rome' date --date='TZ="UTC" 1969-07-21 02:56:00' +'%Y-%m-%d %H:%M:%S' returns '1969-07-21 04:56:00'
tm_changetowallclock (&moon_walk, TM_REF_LOCALTIME);
ck_assert (tm_gethour (moon_walk) == 4); // in Rome
ck_assert (tm_getutcoffset (moon_walk) == 3600 * 2);
ck_assert (tm_isdaylightsavingtimeineffect (moon_walk) == 1);
// TZ='Europe/Chisinau' date --date='TZ="UTC" 1969-07-21 02:56:00' +'%Y-%m-%d %H:%M:%S' returns '1969-07-21 05:56:00'
tm_changetowallclock (&moon_walk, "Europe/Chisinau");
// Moon walk time in Moldova: 1969-07-21 05:56:00 +03:00
ck_assert (tm_getyear (moon_walk) == 1969);
ck_assert (tm_getmonth (moon_walk) == TM_JULY);
ck_assert (tm_getday (moon_walk) == 21);
ck_assert (tm_gethour (moon_walk) == 5);
ck_assert (tm_getminute (moon_walk) == 56);
ck_assert (tm_getsecond (moon_walk) == 0);
ck_assert (tm_isdaylightsavingtimeineffect (moon_walk) == 0);
ck_assert (tm_getutcoffset (moon_walk) == 3600 * 3);
// TZ='Europe/Paris' date --date='TZ="UTC" 1969-07-21 02:56:00' +'%Y-%m-%d %H:%M:%S' returns '1969-07-21 03:56:00'
tm_changetowallclock (&moon_walk, "Europe/Paris");
// Moon walk time in Paris: 1969-07-21 03:56:00 +01:00
ck_assert (tm_getyear (moon_walk) == 1969);
ck_assert (tm_getmonth (moon_walk) == TM_JULY);
ck_assert (tm_getday (moon_walk) == 21);
ck_assert (tm_gethour (moon_walk) == 3);
ck_assert (tm_getminute (moon_walk) == 56);
ck_assert (tm_getsecond (moon_walk) == 0);
ck_assert (tm_getutcoffset (moon_walk) == 3600 * 1);
ck_assert (tm_isdaylightsavingtimeineffect (moon_walk) == 0); // There were no DST in Paris by that time...
ck_assert (tm_getutcoffset (moon_walk) == 3600 * 1);
tm_changetowallclock (&moon_walk, "Australia/Sydney");
// Moon walk in Sydney: 1969-07-21 12:56:00 +10:00
ck_assert (tm_getyear (moon_walk) == 1969);
ck_assert (tm_getmonth (moon_walk) == TM_JULY);
ck_assert (tm_getday (moon_walk) == 21);
ck_assert (tm_gethour (moon_walk) == 12);
ck_assert (tm_getminute (moon_walk) == 56);
ck_assert (tm_getsecond (moon_walk) == 0);
}
END_TEST
START_TEST (tu_weekday)
{
ck_assert (tm_getdaysinmonth (2047, TM_MARCH) == 31);
ck_assert (tm_getfirstweekdayinmonth (2017, TM_MARCH, TM_TUESDAY) == 7);
ck_assert (tm_getfirstweekdayinmonth (2017, TM_MARCH, TM_SATURDAY) == 4);
ck_assert (tm_getlastweekdayinmonth (2017, TM_MARCH, TM_TUESDAY) == 28);
ck_assert (tm_getlastweekdayinmonth (2017, TM_MARCH, TM_SATURDAY) == 25);
ck_assert (tm_getfirstweekdayinisoyear (2017, TM_TUESDAY) == 3);
ck_assert (tm_getfirstweekdayinisoyear (2017, TM_SUNDAY) == 8);
}
END_TEST
START_TEST (tu_error)
{
struct tm dt;
ck_assert (tm_set (&dt) == TM_OK);
ck_assert (tm_set (&dt, TM_TODAY, TM_REF_LOCALTIME) == TM_OK);
ck_assert (tm_set (&dt, TM_TODAY, "Nowhere") == TM_ERROR && errno == EINVAL);
ck_assert (tm_set (&dt, 2001, 9, 15, 9, 51, 7) == TM_OK);
ck_assert (tm_set (&dt, 2001, 13, 15, 9, 51, 7) == TM_ERROR && errno == EINVAL);
ck_assert (tm_set (&dt, 2001, 9, 31, 9, 51, 7) == TM_ERROR && errno == EINVAL);
ck_assert (tm_set (&dt, 2001, 9, 15, 24, 51, 7) == TM_ERROR && errno == EINVAL);
ck_assert (tm_set (&dt, 2001, 9, 15, 9, 61, 7) == TM_ERROR && errno == EINVAL);
ck_assert (tm_set (&dt, 2001, 9, 15, 9, 51, 67) == TM_ERROR && errno == EINVAL);
ck_assert (tm_set (&dt, 2001, 9, 15, 9, 51, 7, TM_REF_UTC, 8) == TM_OK);
ck_assert (tm_set (&dt, 2001, 9, 15, 9, 51, 7, TM_REF_LOCALTIME, 8) == TM_ERROR && errno == EINVAL);
ck_assert (tm_set (&dt, 2000000000, 9, 15, 9, 51, 7) == TM_OK);
ck_assert (tm_set (&dt, -2000000000, 9, 15, 9, 51, 7) == TM_OK);
tm_changetowallclock (&dt, TM_REF_LOCALTIME);
ck_assert (tm_setdatefromstring (&dt, "15/09/2001") == TM_OK);
ck_assert (tm_setdatefromstring (&dt, "15/9/2001") == TM_OK);
ck_assert (tm_setdatefromstring (&dt, "15/9/01") == TM_OK);
ck_assert (tm_setdatefromstring (&dt, "15/9/1") == TM_OK);
errno = 0;
ck_assert (tm_setdatefromstring (&dt, "31/09/2001") == TM_ERROR && errno == EINVAL);
errno = 0;
ck_assert (tm_setdatefromstring (&dt, "15/13/2001") == TM_ERROR && errno == EINVAL);
errno = 0;
ck_assert (tm_setdatefromstring (&dt, "15/09/2001", TM_REF_LOCALTIME, 8) == TM_ERROR && errno == EINVAL);