glib/tests/gdatetime.c

   1 /* gdatetime-tests.c
   2  *
   3  * Copyright (C) 2009-2010 Christian Hergert <chris@dronelabs.com>
   4  *
   5  * This is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public License
  16  * along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "config.h"
  20
  21 #include <string.h>
  22 #include <time.h>
  23 #include <gi18n.h>
  24 #include <glib.h>
  25 #include <glib/gstdio.h>
  26 #include <locale.h>
  27
  28 #define ASSERT_DATE(dt,y,m,d) G_STMT_START { \
  29   g_assert_nonnull ((dt)); \
  30   g_assert_cmpint ((y), ==, g_date_time_get_year ((dt))); \
  31   g_assert_cmpint ((m), ==, g_date_time_get_month ((dt))); \
  32   g_assert_cmpint ((d), ==, g_date_time_get_day_of_month ((dt))); \
  33 } G_STMT_END
  34 #define ASSERT_TIME(dt,H,M,S,U) G_STMT_START { \
  35   g_assert_nonnull ((dt)); \
  36   g_assert_cmpint ((H), ==, g_date_time_get_hour ((dt))); \
  37   g_assert_cmpint ((M), ==, g_date_time_get_minute ((dt))); \
  38   g_assert_cmpint ((S), ==, g_date_time_get_second ((dt))); \
  39   g_assert_cmpint ((U), ==, g_date_time_get_microsecond ((dt))); \
  40 } G_STMT_END
  41
  42 static void
  43 get_localtime_tm (time_t     time_,
  44                   struct tm *retval)
  45 {
  46 #ifdef HAVE_LOCALTIME_R
  47   localtime_r (&time_, retval);
  48 #else
  49   {
  50     struct tm *ptm = localtime (&time_);
  51
  52     if (ptm == NULL)
  53       {
  54         /* Happens at least in Microsoft's C library if you pass a
  55          * negative time_t. Use 2000-01-01 as default date.
  56          */
  57 #ifndef G_DISABLE_CHECKS
  58         g_return_if_fail_warning (G_LOG_DOMAIN, G_STRFUNC, "ptm != NULL");
  59 #endif
  60
  61         retval->tm_mon = 0;
  62         retval->tm_mday = 1;
  63         retval->tm_year = 100;
  64       }
  65     else
  66       memcpy ((void *) retval, (void *) ptm, sizeof (struct tm));
  67   }
  68 #endif /* HAVE_LOCALTIME_R */
  69 }
  70
  71 static void
  72 test_GDateTime_now (void)
  73 {
  74   GDateTime *dt;
  75   struct tm tm;
  76   time_t before;
  77   time_t after;
  78
  79   /* before <= dt.to_unix() <= after, but the inequalities might not be
  80    * equality if we're close to the boundary between seconds.
  81    * We loop until before == after (and hence dt.to_unix() should equal both)
  82    * to guard against that. */
  83   do
  84     {
  85       before = g_get_real_time () / G_TIME_SPAN_SECOND;
  86
  87       memset (&tm, 0, sizeof (tm));
  88       get_localtime_tm (before, &tm);
  89
  90       dt = g_date_time_new_now_local ();
  91
  92       after = g_get_real_time () / G_TIME_SPAN_SECOND;
  93     }
  94   while (before != after);
  95
  96   g_assert_cmpint (g_date_time_get_year (dt), ==, 1900 + tm.tm_year);
  97   g_assert_cmpint (g_date_time_get_month (dt), ==, 1 + tm.tm_mon);
  98   g_assert_cmpint (g_date_time_get_day_of_month (dt), ==, tm.tm_mday);
  99   g_assert_cmpint (g_date_time_get_hour (dt), ==, tm.tm_hour);
 100   g_assert_cmpint (g_date_time_get_minute (dt), ==, tm.tm_min);
 101   g_assert_cmpint (g_date_time_get_second (dt), ==, tm.tm_sec);
 102
 103   g_date_time_unref (dt);
 104 }
 105
 106 static void
 107 test_GDateTime_new_from_unix (void)
 108 {
 109   GDateTime *dt;
 110   struct tm  tm;
 111   time_t     t;
 112
 113   memset (&tm, 0, sizeof (tm));
 114   t = time (NULL);
 115   get_localtime_tm (t, &tm);
 116
 117   dt = g_date_time_new_from_unix_local (t);
 118   g_assert_cmpint (g_date_time_get_year (dt), ==, 1900 + tm.tm_year);
 119   g_assert_cmpint (g_date_time_get_month (dt), ==, 1 + tm.tm_mon);
 120   g_assert_cmpint (g_date_time_get_day_of_month (dt), ==, tm.tm_mday);
 121   g_assert_cmpint (g_date_time_get_hour (dt), ==, tm.tm_hour);
 122   g_assert_cmpint (g_date_time_get_minute (dt), ==, tm.tm_min);
 123   g_assert_cmpint (g_date_time_get_second (dt), ==, tm.tm_sec);
 124   g_date_time_unref (dt);
 125
 126   /* Choose 1990-01-01 04:00:00 because no DST leaps happened then. The more
 127    * obvious 1990-01-01 00:00:00 was a DST leap in America/Lima (which has,
 128    * confusingly, since stopped using DST). */
 129   memset (&tm, 0, sizeof (tm));
 130   tm.tm_year = 90;
 131   tm.tm_mday = 1;
 132   tm.tm_mon = 0;
 133   tm.tm_hour = 4;
 134   tm.tm_min = 0;
 135   tm.tm_sec = 0;
 136   tm.tm_isdst = -1;
 137   t = mktime (&tm);
 138
 139   dt = g_date_time_new_from_unix_local (t);
 140   g_assert_cmpint (g_date_time_get_year (dt), ==, 1990);
 141   g_assert_cmpint (g_date_time_get_month (dt), ==, 1);
 142   g_assert_cmpint (g_date_time_get_day_of_month (dt), ==, 1);
 143   g_assert_cmpint (g_date_time_get_hour (dt), ==, 4);
 144   g_assert_cmpint (g_date_time_get_minute (dt), ==, 0);
 145   g_assert_cmpint (g_date_time_get_second (dt), ==, 0);
 146   g_date_time_unref (dt);
 147 }
 148
 149 /* Check that trying to create a #GDateTime too far in the future reliably
 150  * fails. Previously, the checks for this overflowed and it silently returned
 151  * an incorrect #GDateTime. */
 152 static void
 153 test_GDateTime_new_from_unix_overflow (void)
 154 {
 155   GDateTime *dt;
 156
 157   g_test_bug ("782089");
 158
 159   dt = g_date_time_new_from_unix_utc (G_MAXINT64);
 160   g_assert_null (dt);
 161
 162   dt = g_date_time_new_from_unix_local (G_MAXINT64);
 163   g_assert_null (dt);
 164 }
 165
 166 static void
 167 test_GDateTime_invalid (void)
 168 {
 169   GDateTime *dt;
 170
 171   g_test_bug ("702674");
 172
 173   dt = g_date_time_new_utc (2013, -2147483647, 31, 17, 15, 48);
 174   g_assert (dt == NULL);
 175 }
 176
 177 static void
 178 test_GDateTime_compare (void)
 179 {
 180   GDateTime *dt1, *dt2;
 181   gint       i;
 182
 183   dt1 = g_date_time_new_utc (2000, 1, 1, 0, 0, 0);
 184
 185   for (i = 1; i < 2000; i++)
 186     {
 187       dt2 = g_date_time_new_utc (i, 12, 31, 0, 0, 0);
 188       g_assert_cmpint (1, ==, g_date_time_compare (dt1, dt2));
 189       g_date_time_unref (dt2);
 190     }
 191
 192   dt2 = g_date_time_new_utc (1999, 12, 31, 23, 59, 59);
 193   g_assert_cmpint (1, ==, g_date_time_compare (dt1, dt2));
 194   g_date_time_unref (dt2);
 195
 196   dt2 = g_date_time_new_utc (2000, 1, 1, 0, 0, 1);
 197   g_assert_cmpint (-1, ==, g_date_time_compare (dt1, dt2));
 198   g_date_time_unref (dt2);
 199
 200   dt2 = g_date_time_new_utc (2000, 1, 1, 0, 0, 0);
 201   g_assert_cmpint (0, ==, g_date_time_compare (dt1, dt2));
 202   g_date_time_unref (dt2);
 203   g_date_time_unref (dt1);
 204 }
 205
 206 static void
 207 test_GDateTime_equal (void)
 208 {
 209   GDateTime *dt1, *dt2;
 210   GTimeZone *tz;
 211
 212   dt1 = g_date_time_new_local (2009, 10, 19, 0, 0, 0);
 213   dt2 = g_date_time_new_local (2009, 10, 19, 0, 0, 0);
 214   g_assert (g_date_time_equal (dt1, dt2));
 215   g_date_time_unref (dt1);
 216   g_date_time_unref (dt2);
 217
 218   dt1 = g_date_time_new_local (2009, 10, 18, 0, 0, 0);
 219   dt2 = g_date_time_new_local (2009, 10, 19, 0, 0, 0);
 220   g_assert (!g_date_time_equal (dt1, dt2));
 221   g_date_time_unref (dt1);
 222   g_date_time_unref (dt2);
 223
 224   /* UTC-0300 and not in DST */
 225   tz = g_time_zone_new ("-03:00");
 226   dt1 = g_date_time_new (tz, 2010, 5, 24,  8, 0, 0);
 227   g_time_zone_unref (tz);
 228   g_assert_cmpint (g_date_time_get_utc_offset (dt1) / G_USEC_PER_SEC, ==, (-3 * 3600));
 229   /* UTC */
 230   dt2 = g_date_time_new_utc (2010, 5, 24, 11, 0, 0);
 231   g_assert_cmpint (g_date_time_get_utc_offset (dt2), ==, 0);
 232
 233   g_assert (g_date_time_equal (dt1, dt2));
 234   g_date_time_unref (dt1);
 235
 236   /* America/Recife is in UTC-0300 */
 237 #ifdef G_OS_UNIX
 238   tz = g_time_zone_new ("America/Recife");
 239 #elif defined G_OS_WIN32
 240   tz = g_time_zone_new ("E. South America Standard Time");
 241 #endif
 242   dt1 = g_date_time_new (tz, 2010, 5, 24,  8, 0, 0);
 243   g_time_zone_unref (tz);
 244   g_assert_cmpint (g_date_time_get_utc_offset (dt1) / G_USEC_PER_SEC, ==, (-3 * 3600));
 245   g_assert (g_date_time_equal (dt1, dt2));
 246   g_date_time_unref (dt1);
 247   g_date_time_unref (dt2);
 248 }
 249
 250 static void
 251 test_GDateTime_get_day_of_week (void)
 252 {
 253   GDateTime *dt;
 254
 255   dt = g_date_time_new_local (2009, 10, 19, 0, 0, 0);
 256   g_assert_cmpint (1, ==, g_date_time_get_day_of_week (dt));
 257   g_date_time_unref (dt);
 258
 259   dt = g_date_time_new_local (2000, 10, 1, 0, 0, 0);
 260   g_assert_cmpint (7, ==, g_date_time_get_day_of_week (dt));
 261   g_date_time_unref (dt);
 262 }
 263
 264 static void
 265 test_GDateTime_get_day_of_month (void)
 266 {
 267   GDateTime *dt;
 268
 269   dt = g_date_time_new_local (2009, 10, 19, 0, 0, 0);
 270   g_assert_cmpint (g_date_time_get_day_of_month (dt), ==, 19);
 271   g_date_time_unref (dt);
 272
 273   dt = g_date_time_new_local (1400, 3, 12, 0, 0, 0);
 274   g_assert_cmpint (g_date_time_get_day_of_month (dt), ==, 12);
 275   g_date_time_unref (dt);
 276
 277   dt = g_date_time_new_local (1800, 12, 31, 0, 0, 0);
 278   g_assert_cmpint (g_date_time_get_day_of_month (dt), ==, 31);
 279   g_date_time_unref (dt);
 280
 281   dt = g_date_time_new_local (1000, 1, 1, 0, 0, 0);
 282   g_assert_cmpint (g_date_time_get_day_of_month (dt), ==, 1);
 283   g_date_time_unref (dt);
 284 }
 285
 286 static void
 287 test_GDateTime_get_hour (void)
 288 {
 289   GDateTime *dt;
 290
 291   dt = g_date_time_new_utc (2009, 10, 19, 15, 13, 11);
 292   g_assert_cmpint (15, ==, g_date_time_get_hour (dt));
 293   g_date_time_unref (dt);
 294
 295   dt = g_date_time_new_utc (100, 10, 19, 1, 0, 0);
 296   g_assert_cmpint (1, ==, g_date_time_get_hour (dt));
 297   g_date_time_unref (dt);
 298
 299   dt = g_date_time_new_utc (100, 10, 19, 0, 0, 0);
 300   g_assert_cmpint (0, ==, g_date_time_get_hour (dt));
 301   g_date_time_unref (dt);
 302
 303   dt = g_date_time_new_utc (100, 10, 1, 23, 59, 59);
 304   g_assert_cmpint (23, ==, g_date_time_get_hour (dt));
 305   g_date_time_unref (dt);
 306 }
 307
 308 static void
 309 test_GDateTime_get_microsecond (void)
 310 {
 311   GTimeVal   tv;
 312   GDateTime *dt;
 313
 314   g_get_current_time (&tv);
 315   dt = g_date_time_new_from_timeval_local (&tv);
 316   g_assert_cmpint (tv.tv_usec, ==, g_date_time_get_microsecond (dt));
 317   g_date_time_unref (dt);
 318 }
 319
 320 static void
 321 test_GDateTime_get_year (void)
 322 {
 323   GDateTime *dt;
 324
 325   dt = g_date_time_new_local (2009, 1, 1, 0, 0, 0);
 326   g_assert_cmpint (2009, ==, g_date_time_get_year (dt));
 327   g_date_time_unref (dt);
 328
 329   dt = g_date_time_new_local (1, 1, 1, 0, 0, 0);
 330   g_assert_cmpint (1, ==, g_date_time_get_year (dt));
 331   g_date_time_unref (dt);
 332
 333   dt = g_date_time_new_local (13, 1, 1, 0, 0, 0);
 334   g_assert_cmpint (13, ==, g_date_time_get_year (dt));
 335   g_date_time_unref (dt);
 336
 337   dt = g_date_time_new_local (3000, 1, 1, 0, 0, 0);
 338   g_assert_cmpint (3000, ==, g_date_time_get_year (dt));
 339   g_date_time_unref (dt);
 340 }
 341
 342 static void
 343 test_GDateTime_hash (void)
 344 {
 345   GHashTable *h;
 346
 347   h = g_hash_table_new_full (g_date_time_hash, g_date_time_equal,
 348                              (GDestroyNotify)g_date_time_unref,
 349                              NULL);
 350   g_hash_table_add (h, g_date_time_new_now_local ());
 351   g_hash_table_remove_all (h);
 352   g_hash_table_destroy (h);
 353 }
 354
 355 static void
 356 test_GDateTime_new_from_timeval (void)
 357 {
 358   GDateTime *dt;
 359   GTimeVal   tv, tv2;
 360
 361   g_get_current_time (&tv);
 362   dt = g_date_time_new_from_timeval_local (&tv);
 363
 364   if (g_test_verbose ())
 365     g_printerr ("\nDT%04d-%02d-%02dT%02d:%02d:%02d%s\n",
 366              g_date_time_get_year (dt),
 367              g_date_time_get_month (dt),
 368              g_date_time_get_day_of_month (dt),
 369              g_date_time_get_hour (dt),
 370              g_date_time_get_minute (dt),
 371              g_date_time_get_second (dt),
 372              g_date_time_get_timezone_abbreviation (dt));
 373
 374   g_date_time_to_timeval (dt, &tv2);
 375   g_assert_cmpint (tv.tv_sec, ==, tv2.tv_sec);
 376   g_assert_cmpint (tv.tv_usec, ==, tv2.tv_usec);
 377   g_date_time_unref (dt);
 378 }
 379
 380 static glong
 381 find_maximum_supported_tv_sec (void)
 382 {
 383   glong highest_success = 0, lowest_failure = G_MAXLONG;
 384   GTimeVal tv;
 385   GDateTime *dt = NULL;
 386
 387   tv.tv_usec = 0;
 388
 389   /* Corner case of all glong values being valid. */
 390   tv.tv_sec = G_MAXLONG;
 391   dt = g_date_time_new_from_timeval_utc (&tv);
 392   if (dt != NULL)
 393     {
 394       highest_success = tv.tv_sec;
 395       g_date_time_unref (dt);
 396     }
 397
 398   while (highest_success < lowest_failure - 1)
 399     {
 400       tv.tv_sec = highest_success + (lowest_failure - highest_success) / 2;
 401       dt = g_date_time_new_from_timeval_utc (&tv);
 402
 403       if (dt != NULL)
 404         {
 405           highest_success = tv.tv_sec;
 406           g_date_time_unref (dt);
 407         }
 408       else
 409         {
 410           lowest_failure = tv.tv_sec;
 411         }
 412     }
 413
 414   return highest_success;
 415 }
 416
 417 /* Check that trying to create a #GDateTime too far in the future reliably
 418  * fails. With a #GTimeVal, this is subtle, as the tv_usec are added into the
 419  * calculation part-way through.
 420  *
 421  * This varies a bit between 32- and 64-bit architectures, due to the
 422  * differences in the size of glong (tv.tv_sec). */
 423 static void
 424 test_GDateTime_new_from_timeval_overflow (void)
 425 {
 426   GDateTime *dt;
 427   GTimeVal tv;
 428
 429   g_test_bug ("782089");
 430
 431   tv.tv_sec = find_maximum_supported_tv_sec ();
 432   tv.tv_usec = G_USEC_PER_SEC - 1;
 433
 434   g_test_message ("Maximum supported GTimeVal.tv_sec = %lu", tv.tv_sec);
 435
 436   /* Sanity check: do we support the year 2000? */
 437   g_assert_cmpint (tv.tv_sec, >=, 946684800);
 438
 439   dt = g_date_time_new_from_timeval_utc (&tv);
 440   g_assert_nonnull (dt);
 441   g_date_time_unref (dt);
 442
 443   if (tv.tv_sec < G_MAXLONG)
 444     {
 445       tv.tv_sec++;
 446       tv.tv_usec = 0;
 447
 448       dt = g_date_time_new_from_timeval_utc (&tv);
 449       g_assert_null (dt);
 450     }
 451 }
 452
 453 static void
 454 test_GDateTime_new_from_timeval_utc (void)
 455 {
 456   GDateTime *dt;
 457   GTimeVal   tv, tv2;
 458
 459   g_get_current_time (&tv);
 460   dt = g_date_time_new_from_timeval_utc (&tv);
 461
 462   if (g_test_verbose ())
 463     g_printerr ("\nDT%04d-%02d-%02dT%02d:%02d:%02d%s\n",
 464              g_date_time_get_year (dt),
 465              g_date_time_get_month (dt),
 466              g_date_time_get_day_of_month (dt),
 467              g_date_time_get_hour (dt),
 468              g_date_time_get_minute (dt),
 469              g_date_time_get_second (dt),
 470              g_date_time_get_timezone_abbreviation (dt));
 471
 472   g_date_time_to_timeval (dt, &tv2);
 473   g_assert_cmpint (tv.tv_sec, ==, tv2.tv_sec);
 474   g_assert_cmpint (tv.tv_usec, ==, tv2.tv_usec);
 475   g_date_time_unref (dt);
 476 }
 477
 478 static void
 479 test_GDateTime_new_from_iso8601 (void)
 480 {
 481   GDateTime *dt;
 482   GTimeZone *tz;
 483
 484   /* Need non-empty string */
 485   dt = g_date_time_new_from_iso8601 ("", NULL);
 486   g_assert_null (dt);
 487
 488   /* Needs to be correctly formatted */
 489   dt = g_date_time_new_from_iso8601 ("not a date", NULL);
 490   g_assert_null (dt);
 491
 492   /* Check common case */
 493   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42Z", NULL);
 494   ASSERT_DATE (dt, 2016, 8, 24);
 495   ASSERT_TIME (dt, 22, 10, 42, 0);
 496   g_date_time_unref (dt);
 497
 498   /* Timezone is required in text or passed as arg */
 499   tz = g_time_zone_new_utc ();
 500   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42", tz);
 501   ASSERT_DATE (dt, 2016, 8, 24);
 502   g_date_time_unref (dt);
 503   g_time_zone_unref (tz);
 504   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42", NULL);
 505   g_assert_null (dt);
 506
 507   /* Can't have whitespace */
 508   dt = g_date_time_new_from_iso8601 ("2016 08 24T22:10:42Z", NULL);
 509   g_assert_null (dt);
 510   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42Z ", NULL);
 511   g_assert_null (dt);
 512   dt = g_date_time_new_from_iso8601 (" 2016-08-24T22:10:42Z", NULL);
 513   g_assert_null (dt);
 514
 515   /* Check lowercase time separator or space allowed */
 516   dt = g_date_time_new_from_iso8601 ("2016-08-24t22:10:42Z", NULL);
 517   ASSERT_DATE (dt, 2016, 8, 24);
 518   ASSERT_TIME (dt, 22, 10, 42, 0);
 519   g_date_time_unref (dt);
 520   dt = g_date_time_new_from_iso8601 ("2016-08-24 22:10:42Z", NULL);
 521   ASSERT_DATE (dt, 2016, 8, 24);
 522   ASSERT_TIME (dt, 22, 10, 42, 0);
 523   g_date_time_unref (dt);
 524
 525   /* Check dates without separators allowed */
 526   dt = g_date_time_new_from_iso8601 ("20160824T22:10:42Z", NULL);
 527   ASSERT_DATE (dt, 2016, 8, 24);
 528   ASSERT_TIME (dt, 22, 10, 42, 0);
 529   g_date_time_unref (dt);
 530
 531   /* Months are two digits */
 532   dt = g_date_time_new_from_iso8601 ("2016-1-01T22:10:42Z", NULL);
 533   g_assert_null (dt);
 534
 535   /* Days are two digits */
 536   dt = g_date_time_new_from_iso8601 ("2016-01-1T22:10:42Z", NULL);
 537   g_assert_null (dt);
 538
 539   /* Need consistent usage of separators */
 540   dt = g_date_time_new_from_iso8601 ("2016-0824T22:10:42Z", NULL);
 541   g_assert_null (dt);
 542   dt = g_date_time_new_from_iso8601 ("201608-24T22:10:42Z", NULL);
 543   g_assert_null (dt);
 544
 545   /* Check month within valid range */
 546   dt = g_date_time_new_from_iso8601 ("2016-00-13T22:10:42Z", NULL);
 547   g_assert_null (dt);
 548   dt = g_date_time_new_from_iso8601 ("2016-13-13T22:10:42Z", NULL);
 549   g_assert_null (dt);
 550
 551   /* Check day within valid range */
 552   dt = g_date_time_new_from_iso8601 ("2016-01-00T22:10:42Z", NULL);
 553   g_assert_null (dt);
 554   dt = g_date_time_new_from_iso8601 ("2016-01-31T22:10:42Z", NULL);
 555   ASSERT_DATE (dt, 2016, 1, 31);
 556   g_date_time_unref (dt);
 557   dt = g_date_time_new_from_iso8601 ("2016-01-32T22:10:42Z", NULL);
 558   g_assert_null (dt);
 559   dt = g_date_time_new_from_iso8601 ("2016-02-29T22:10:42Z", NULL);
 560   ASSERT_DATE (dt, 2016, 2, 29);
 561   g_date_time_unref (dt);
 562   dt = g_date_time_new_from_iso8601 ("2016-02-30T22:10:42Z", NULL);
 563   g_assert_null (dt);
 564   dt = g_date_time_new_from_iso8601 ("2017-02-28T22:10:42Z", NULL);
 565   ASSERT_DATE (dt, 2017, 2, 28);
 566   g_date_time_unref (dt);
 567   dt = g_date_time_new_from_iso8601 ("2017-02-29T22:10:42Z", NULL);
 568   g_assert_null (dt);
 569   dt = g_date_time_new_from_iso8601 ("2016-03-31T22:10:42Z", NULL);
 570   ASSERT_DATE (dt, 2016, 3, 31);
 571   g_date_time_unref (dt);
 572   dt = g_date_time_new_from_iso8601 ("2016-03-32T22:10:42Z", NULL);
 573   g_assert_null (dt);
 574   dt = g_date_time_new_from_iso8601 ("2016-04-30T22:10:42Z", NULL);
 575   ASSERT_DATE (dt, 2016, 4, 30);
 576   g_date_time_unref (dt);
 577   dt = g_date_time_new_from_iso8601 ("2016-04-31T22:10:42Z", NULL);
 578   g_assert_null (dt);
 579   dt = g_date_time_new_from_iso8601 ("2016-05-31T22:10:42Z", NULL);
 580   ASSERT_DATE (dt, 2016, 5, 31);
 581   g_date_time_unref (dt);
 582   dt = g_date_time_new_from_iso8601 ("2016-05-32T22:10:42Z", NULL);
 583   g_assert_null (dt);
 584   dt = g_date_time_new_from_iso8601 ("2016-06-30T22:10:42Z", NULL);
 585   ASSERT_DATE (dt, 2016, 6, 30);
 586   g_date_time_unref (dt);
 587   dt = g_date_time_new_from_iso8601 ("2016-06-31T22:10:42Z", NULL);
 588   g_assert_null (dt);
 589   dt = g_date_time_new_from_iso8601 ("2016-07-31T22:10:42Z", NULL);
 590   ASSERT_DATE (dt, 2016, 7, 31);
 591   g_date_time_unref (dt);
 592   dt = g_date_time_new_from_iso8601 ("2016-07-32T22:10:42Z", NULL);
 593   g_assert_null (dt);
 594   dt = g_date_time_new_from_iso8601 ("2016-08-31T22:10:42Z", NULL);
 595   ASSERT_DATE (dt, 2016, 8, 31);
 596   g_date_time_unref (dt);
 597   dt = g_date_time_new_from_iso8601 ("2016-08-32T22:10:42Z", NULL);
 598   g_assert_null (dt);
 599   dt = g_date_time_new_from_iso8601 ("2016-09-30T22:10:42Z", NULL);
 600   ASSERT_DATE (dt, 2016, 9, 30);
 601   g_date_time_unref (dt);
 602   dt = g_date_time_new_from_iso8601 ("2016-09-31T22:10:42Z", NULL);
 603   g_assert_null (dt);
 604   dt = g_date_time_new_from_iso8601 ("2016-10-31T22:10:42Z", NULL);
 605   ASSERT_DATE (dt, 2016, 10, 31);
 606   g_date_time_unref (dt);
 607   dt = g_date_time_new_from_iso8601 ("2016-10-32T22:10:42Z", NULL);
 608   g_assert_null (dt);
 609   dt = g_date_time_new_from_iso8601 ("2016-11-30T22:10:42Z", NULL);
 610   ASSERT_DATE (dt, 2016, 11, 30);
 611   g_date_time_unref (dt);
 612   dt = g_date_time_new_from_iso8601 ("2016-11-31T22:10:42Z", NULL);
 613   g_assert_null (dt);
 614   dt = g_date_time_new_from_iso8601 ("2016-12-31T22:10:42Z", NULL);
 615   ASSERT_DATE (dt, 2016, 12, 31);
 616   g_date_time_unref (dt);
 617   dt = g_date_time_new_from_iso8601 ("2016-12-32T22:10:42Z", NULL);
 618   g_assert_null (dt);
 619
 620   /* Check ordinal days work */
 621   dt = g_date_time_new_from_iso8601 ("2016-237T22:10:42Z", NULL);
 622   ASSERT_DATE (dt, 2016, 8, 24);
 623   ASSERT_TIME (dt, 22, 10, 42, 0);
 624   g_date_time_unref (dt);
 625   dt = g_date_time_new_from_iso8601 ("2016237T22:10:42Z", NULL);
 626   ASSERT_DATE (dt, 2016, 8, 24);
 627   ASSERT_TIME (dt, 22, 10, 42, 0);
 628   g_date_time_unref (dt);
 629
 630   /* Check ordinal leap days */
 631   dt = g_date_time_new_from_iso8601 ("2016-366T22:10:42Z", NULL);
 632   ASSERT_DATE (dt, 2016, 12, 31);
 633   ASSERT_TIME (dt, 22, 10, 42, 0);
 634   g_date_time_unref (dt);
 635   dt = g_date_time_new_from_iso8601 ("2017-365T22:10:42Z", NULL);
 636   ASSERT_DATE (dt, 2017, 12, 31);
 637   ASSERT_TIME (dt, 22, 10, 42, 0);
 638   g_date_time_unref (dt);
 639   dt = g_date_time_new_from_iso8601 ("2017-366T22:10:42Z", NULL);
 640   g_assert_null (dt);
 641
 642   /* Days start at 1 */
 643   dt = g_date_time_new_from_iso8601 ("2016-000T22:10:42Z", NULL);
 644   g_assert_null (dt);
 645
 646   /* Limited to number of days in the year (2016 is a leap year) */
 647   dt = g_date_time_new_from_iso8601 ("2016-367T22:10:42Z", NULL);
 648   g_assert_null (dt);
 649
 650   /* Days are two digits */
 651   dt = g_date_time_new_from_iso8601 ("2016-1T22:10:42Z", NULL);
 652   g_assert_null (dt);
 653   dt = g_date_time_new_from_iso8601 ("2016-12T22:10:42Z", NULL);
 654   g_assert_null (dt);
 655
 656   /* Check week days work */
 657   dt = g_date_time_new_from_iso8601 ("2016-W34-3T22:10:42Z", NULL);
 658   ASSERT_DATE (dt, 2016, 8, 24);
 659   ASSERT_TIME (dt, 22, 10, 42, 0);
 660   g_date_time_unref (dt);
 661   dt = g_date_time_new_from_iso8601 ("2016W343T22:10:42Z", NULL);
 662   ASSERT_DATE (dt, 2016, 8, 24);
 663   ASSERT_TIME (dt, 22, 10, 42, 0);
 664   g_date_time_unref (dt);
 665
 666   /* We don't support weeks without weekdays (valid ISO 8601) */
 667   dt = g_date_time_new_from_iso8601 ("2016-W34T22:10:42Z", NULL);
 668   g_assert_null (dt);
 669   dt = g_date_time_new_from_iso8601 ("2016W34T22:10:42Z", NULL);
 670   g_assert_null (dt);
 671
 672   /* Weeks are two digits */
 673   dt = g_date_time_new_from_iso8601 ("2016-W3-1T22:10:42Z", NULL);
 674   g_assert_null (dt);
 675
 676   /* Weeks start at 1 */
 677   dt = g_date_time_new_from_iso8601 ("2016-W00-1T22:10:42Z", NULL);
 678   g_assert_null (dt);
 679
 680   /* Week one might be in the previous year */
 681   dt = g_date_time_new_from_iso8601 ("2015-W01-1T22:10:42Z", NULL);
 682   ASSERT_DATE (dt, 2014, 12, 29);
 683   g_date_time_unref (dt);
 684
 685   /* Last week might be in next year */
 686   dt = g_date_time_new_from_iso8601 ("2015-W53-7T22:10:42Z", NULL);
 687   ASSERT_DATE (dt, 2016, 1, 3);
 688   g_date_time_unref (dt);
 689
 690   /* Week 53 doesn't always exist */
 691   dt = g_date_time_new_from_iso8601 ("2016-W53-1T22:10:42Z", NULL);
 692   g_assert_null (dt);
 693
 694   /* Limited to number of days in the week */
 695   dt = g_date_time_new_from_iso8601 ("2016-W34-0T22:10:42Z", NULL);
 696   g_assert_null (dt);
 697   dt = g_date_time_new_from_iso8601 ("2016-W34-8T22:10:42Z", NULL);
 698   g_assert_null (dt);
 699
 700   /* Days are one digit */
 701   dt = g_date_time_new_from_iso8601 ("2016-W34-99T22:10:42Z", NULL);
 702   g_assert_null (dt);
 703
 704   /* Check week day changes depending on year */
 705   dt = g_date_time_new_from_iso8601 ("2017-W34-1T22:10:42Z", NULL);
 706   ASSERT_DATE (dt, 2017, 8, 21);
 707   g_date_time_unref (dt);
 708
 709   /* Check week day changes depending on leap years */
 710   dt = g_date_time_new_from_iso8601 ("1900-W01-1T22:10:42Z", NULL);
 711   ASSERT_DATE (dt, 1900, 1, 1);
 712   g_date_time_unref (dt);
 713
 714   /* YYYY-MM not allowed (NOT valid ISO 8601) */
 715   dt = g_date_time_new_from_iso8601 ("2016-08T22:10:42Z", NULL);
 716   g_assert_null (dt);
 717
 718   /* We don't support omitted year (valid ISO 8601) */
 719   dt = g_date_time_new_from_iso8601 ("--08-24T22:10:42Z", NULL);
 720   g_assert_null (dt);
 721   dt = g_date_time_new_from_iso8601 ("--0824T22:10:42Z", NULL);
 722   g_assert_null (dt);
 723
 724   /* Check subseconds work */
 725   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42.123456Z", NULL);
 726   ASSERT_DATE (dt, 2016, 8, 24);
 727   ASSERT_TIME (dt, 22, 10, 42, 123456);
 728   g_date_time_unref (dt);
 729   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42,123456Z", NULL);
 730   ASSERT_DATE (dt, 2016, 8, 24);
 731   ASSERT_TIME (dt, 22, 10, 42, 123456);
 732   g_date_time_unref (dt);
 733   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42.Z", NULL);
 734   g_assert_null (dt);
 735   dt = g_date_time_new_from_iso8601 ("2016-08-24T221042.123456Z", NULL);
 736   ASSERT_DATE (dt, 2016, 8, 24);
 737   ASSERT_TIME (dt, 22, 10, 42, 123456);
 738   g_date_time_unref (dt);
 739
 740   /* We don't support times without minutes / seconds (valid ISO 8601) */
 741   dt = g_date_time_new_from_iso8601 ("2016-08-24T22Z", NULL);
 742   g_assert_null (dt);
 743   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10Z", NULL);
 744   g_assert_null (dt);
 745   dt = g_date_time_new_from_iso8601 ("2016-08-24T2210Z", NULL);
 746   g_assert_null (dt);
 747
 748   /* UTC time uses 'Z' */
 749   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42Z", NULL);
 750   ASSERT_DATE (dt, 2016, 8, 24);
 751   ASSERT_TIME (dt, 22, 10, 42, 0);
 752   g_assert_cmpint (g_date_time_get_utc_offset (dt), ==, 0);
 753   g_date_time_unref (dt);
 754
 755   /* Check timezone works */
 756   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42+12:00", NULL);
 757   ASSERT_DATE (dt, 2016, 8, 24);
 758   ASSERT_TIME (dt, 22, 10, 42, 0);
 759   g_assert_cmpint (g_date_time_get_utc_offset (dt), ==, 12 * G_TIME_SPAN_HOUR);
 760   g_date_time_unref (dt);
 761   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42+12", NULL);
 762   ASSERT_DATE (dt, 2016, 8, 24);
 763   ASSERT_TIME (dt, 22, 10, 42, 0);
 764   g_assert_cmpint (g_date_time_get_utc_offset (dt), ==, 12 * G_TIME_SPAN_HOUR);
 765   g_date_time_unref (dt);
 766   dt = g_date_time_new_from_iso8601 ("2016-08-24T22:10:42-02", NULL);
 767   ASSERT_DATE (dt, 2016, 8, 24);
 768   ASSERT_TIME (dt, 22, 10, 42, 0);
 769   g_assert_cmpint (g_date_time_get_utc_offset (dt), ==, -2 * G_TIME_SPAN_HOUR);
 770   g_date_time_unref (dt);
 771
 772   /* Timezone seconds not allowed */
 773   dt = g_date_time_new_from_iso8601 ("2016-08-24T22-12:00:00", NULL);
 774   g_assert_null (dt);
 775   dt = g_date_time_new_from_iso8601 ("2016-08-24T22-12:00:00.000", NULL);
 776   g_assert_null (dt);
 777
 778   /* Timezone hours two digits */
 779   dt = g_date_time_new_from_iso8601 ("2016-08-24T22-2Z", NULL);
 780   g_assert_null (dt);
 781 }
 782
 783 static void
 784 test_GDateTime_to_unix (void)
 785 {
 786   GDateTime *dt;
 787   time_t     t;
 788
 789   t = time (NULL);
 790   dt = g_date_time_new_from_unix_local (t);
 791   g_assert_cmpint (g_date_time_to_unix (dt), ==, t);
 792   g_date_time_unref (dt);
 793 }
 794
 795 static void
 796 test_GDateTime_add_years (void)
 797 {
 798   GDateTime *dt, *dt2;
 799
 800   dt = g_date_time_new_local (2009, 10, 19, 0, 0, 0);
 801   dt2 = g_date_time_add_years (dt, 1);
 802   g_assert_cmpint (2010, ==, g_date_time_get_year (dt2));
 803   g_date_time_unref (dt);
 804   g_date_time_unref (dt2);
 805 }
 806
 807 static void
 808 test_GDateTime_add_months (void)
 809 {
 810 #define TEST_ADD_MONTHS(y,m,d,a,ny,nm,nd) G_STMT_START { \
 811   GDateTime *dt, *dt2; \
 812   dt = g_date_time_new_utc (y, m, d, 0, 0, 0); \
 813   dt2 = g_date_time_add_months (dt, a); \
 814   ASSERT_DATE (dt2, ny, nm, nd); \
 815   g_date_time_unref (dt); \
 816   g_date_time_unref (dt2); \
 817 } G_STMT_END
 818
 819   TEST_ADD_MONTHS (2009, 12, 31,    1, 2010, 1, 31);
 820   TEST_ADD_MONTHS (2009, 12, 31,    1, 2010, 1, 31);
 821   TEST_ADD_MONTHS (2009,  6, 15,    1, 2009, 7, 15);
 822   TEST_ADD_MONTHS (1400,  3,  1,    1, 1400, 4,  1);
 823   TEST_ADD_MONTHS (1400,  1, 31,    1, 1400, 2, 28);
 824   TEST_ADD_MONTHS (1400,  1, 31, 7200, 2000, 1, 31);
 825   TEST_ADD_MONTHS (2008,  2, 29,   12, 2009, 2, 28);
 826   TEST_ADD_MONTHS (2000,  8, 16,   -5, 2000, 3, 16);
 827   TEST_ADD_MONTHS (2000,  8, 16,  -12, 1999, 8, 16);
 828   TEST_ADD_MONTHS (2011,  2,  1,  -13, 2010, 1,  1);
 829   TEST_ADD_MONTHS (1776,  7,  4, 1200, 1876, 7,  4);
 830 }
 831
 832 static void
 833 test_GDateTime_add_days (void)
 834 {
 835 #define TEST_ADD_DAYS(y,m,d,a,ny,nm,nd) G_STMT_START { \
 836   GDateTime *dt, *dt2; \
 837   dt = g_date_time_new_local (y, m, d, 0, 0, 0); \
 838   dt2 = g_date_time_add_days (dt, a); \
 839   g_assert_cmpint (ny, ==, g_date_time_get_year (dt2)); \
 840   g_assert_cmpint (nm, ==, g_date_time_get_month (dt2)); \
 841   g_assert_cmpint (nd, ==, g_date_time_get_day_of_month (dt2)); \
 842   g_date_time_unref (dt); \
 843   g_date_time_unref (dt2); \
 844 } G_STMT_END
 845
 846   TEST_ADD_DAYS (2009, 1, 31, 1, 2009, 2, 1);
 847   TEST_ADD_DAYS (2009, 2, 1, -1, 2009, 1, 31);
 848   TEST_ADD_DAYS (2008, 2, 28, 1, 2008, 2, 29);
 849   TEST_ADD_DAYS (2008, 12, 31, 1, 2009, 1, 1);
 850   TEST_ADD_DAYS (1, 1, 1, 1, 1, 1, 2);
 851   TEST_ADD_DAYS (1955, 5, 24, 10, 1955, 6, 3);
 852   TEST_ADD_DAYS (1955, 5, 24, -10, 1955, 5, 14);
 853 }
 854
 855 static void
 856 test_GDateTime_add_weeks (void)
 857 {
 858 #define TEST_ADD_WEEKS(y,m,d,a,ny,nm,nd) G_STMT_START { \
 859   GDateTime *dt, *dt2; \
 860   dt = g_date_time_new_local (y, m, d, 0, 0, 0); \
 861   dt2 = g_date_time_add_weeks (dt, a); \
 862   g_assert_cmpint (ny, ==, g_date_time_get_year (dt2)); \
 863   g_assert_cmpint (nm, ==, g_date_time_get_month (dt2)); \
 864   g_assert_cmpint (nd, ==, g_date_time_get_day_of_month (dt2)); \
 865   g_date_time_unref (dt); \
 866   g_date_time_unref (dt2); \
 867 } G_STMT_END
 868
 869   TEST_ADD_WEEKS (2009, 1, 1, 1, 2009, 1, 8);
 870   TEST_ADD_WEEKS (2009, 8, 30, 1, 2009, 9, 6);
 871   TEST_ADD_WEEKS (2009, 12, 31, 1, 2010, 1, 7);
 872   TEST_ADD_WEEKS (2009, 1, 1, -1, 2008, 12, 25);
 873 }
 874
 875 static void
 876 test_GDateTime_add_hours (void)
 877 {
 878 #define TEST_ADD_HOURS(y,m,d,h,mi,s,a,ny,nm,nd,nh,nmi,ns) G_STMT_START { \
 879   GDateTime *dt, *dt2; \
 880   dt = g_date_time_new_utc (y, m, d, h, mi, s); \
 881   dt2 = g_date_time_add_hours (dt, a); \
 882   g_assert_cmpint (ny, ==, g_date_time_get_year (dt2)); \
 883   g_assert_cmpint (nm, ==, g_date_time_get_month (dt2)); \
 884   g_assert_cmpint (nd, ==, g_date_time_get_day_of_month (dt2)); \
 885   g_assert_cmpint (nh, ==, g_date_time_get_hour (dt2)); \
 886   g_assert_cmpint (nmi, ==, g_date_time_get_minute (dt2)); \
 887   g_assert_cmpint (ns, ==, g_date_time_get_second (dt2)); \
 888   g_date_time_unref (dt); \
 889   g_date_time_unref (dt2); \
 890 } G_STMT_END
 891
 892   TEST_ADD_HOURS (2009,  1,  1,  0, 0, 0, 1, 2009, 1, 1, 1, 0, 0);
 893   TEST_ADD_HOURS (2008, 12, 31, 23, 0, 0, 1, 2009, 1, 1, 0, 0, 0);
 894 }
 895
 896 static void
 897 test_GDateTime_add_full (void)
 898 {
 899 #define TEST_ADD_FULL(y,m,d,h,mi,s,ay,am,ad,ah,ami,as,ny,nm,nd,nh,nmi,ns) G_STMT_START { \
 900   GDateTime *dt, *dt2; \
 901   dt = g_date_time_new_utc (y, m, d, h, mi, s); \
 902   dt2 = g_date_time_add_full (dt, ay, am, ad, ah, ami, as); \
 903   g_assert_cmpint (ny, ==, g_date_time_get_year (dt2)); \
 904   g_assert_cmpint (nm, ==, g_date_time_get_month (dt2)); \
 905   g_assert_cmpint (nd, ==, g_date_time_get_day_of_month (dt2)); \
 906   g_assert_cmpint (nh, ==, g_date_time_get_hour (dt2)); \
 907   g_assert_cmpint (nmi, ==, g_date_time_get_minute (dt2)); \
 908   g_assert_cmpint (ns, ==, g_date_time_get_second (dt2)); \
 909   g_date_time_unref (dt); \
 910   g_date_time_unref (dt2); \
 911 } G_STMT_END
 912
 913   TEST_ADD_FULL (2009, 10, 21,  0,  0, 0,
 914                     1,  1,  1,  1,  1, 1,
 915                  2010, 11, 22,  1,  1, 1);
 916   TEST_ADD_FULL (2000,  1,  1,  1,  1, 1,
 917                     0,  1,  0,  0,  0, 0,
 918                  2000,  2,  1,  1,  1, 1);
 919   TEST_ADD_FULL (2000,  1,  1,  0,  0, 0,
 920                    -1,  1,  0,  0,  0, 0,
 921                  1999,  2,  1,  0,  0, 0);
 922   TEST_ADD_FULL (2010, 10, 31,  0,  0, 0,
 923                     0,  4,  0,  0,  0, 0,
 924                  2011,  2, 28,  0,  0, 0);
 925   TEST_ADD_FULL (2010,  8, 25, 22, 45, 0,
 926                     0,  1,  6,  1, 25, 0,
 927                  2010, 10,  2,  0, 10, 0);
 928 }
 929
 930 static void
 931 test_GDateTime_add_minutes (void)
 932 {
 933 #define TEST_ADD_MINUTES(i,o) G_STMT_START { \
 934   GDateTime *dt, *dt2; \
 935   dt = g_date_time_new_local (2000, 1, 1, 0, 0, 0); \
 936   dt2 = g_date_time_add_minutes (dt, i); \
 937   g_assert_cmpint (o, ==, g_date_time_get_minute (dt2)); \
 938   g_date_time_unref (dt); \
 939   g_date_time_unref (dt2); \
 940 } G_STMT_END
 941
 942   TEST_ADD_MINUTES (60, 0);
 943   TEST_ADD_MINUTES (100, 40);
 944   TEST_ADD_MINUTES (5, 5);
 945   TEST_ADD_MINUTES (1441, 1);
 946   TEST_ADD_MINUTES (-1441, 59);
 947 }
 948
 949 static void
 950 test_GDateTime_add_seconds (void)
 951 {
 952 #define TEST_ADD_SECONDS(i,o) G_STMT_START { \
 953   GDateTime *dt, *dt2; \
 954   dt = g_date_time_new_local (2000, 1, 1, 0, 0, 0); \
 955   dt2 = g_date_time_add_seconds (dt, i); \
 956   g_assert_cmpint (o, ==, g_date_time_get_second (dt2)); \
 957   g_date_time_unref (dt); \
 958   g_date_time_unref (dt2); \
 959 } G_STMT_END
 960
 961   TEST_ADD_SECONDS (1, 1);
 962   TEST_ADD_SECONDS (60, 0);
 963   TEST_ADD_SECONDS (61, 1);
 964   TEST_ADD_SECONDS (120, 0);
 965   TEST_ADD_SECONDS (-61, 59);
 966   TEST_ADD_SECONDS (86401, 1);
 967   TEST_ADD_SECONDS (-86401, 59);
 968   TEST_ADD_SECONDS (-31, 29);
 969   TEST_ADD_SECONDS (13, 13);
 970 }
 971
 972 static void
 973 test_GDateTime_diff (void)
 974 {
 975 #define TEST_DIFF(y,m,d,y2,m2,d2,u) G_STMT_START { \
 976   GDateTime *dt1, *dt2; \
 977   GTimeSpan  ts = 0; \
 978   dt1 = g_date_time_new_utc (y, m, d, 0, 0, 0); \
 979   dt2 = g_date_time_new_utc (y2, m2, d2, 0, 0, 0); \
 980   ts = g_date_time_difference (dt2, dt1); \
 981   g_assert_cmpint (ts, ==, u); \
 982   g_date_time_unref (dt1); \
 983   g_date_time_unref (dt2); \
 984 } G_STMT_END
 985
 986   TEST_DIFF (2009, 1, 1, 2009, 2, 1, G_TIME_SPAN_DAY * 31);
 987   TEST_DIFF (2009, 1, 1, 2010, 1, 1, G_TIME_SPAN_DAY * 365);
 988   TEST_DIFF (2008, 2, 28, 2008, 2, 29, G_TIME_SPAN_DAY);
 989   TEST_DIFF (2008, 2, 29, 2008, 2, 28, -G_TIME_SPAN_DAY);
 990
 991   /* TODO: Add usec tests */
 992 }
 993
 994 static void
 995 test_GDateTime_get_minute (void)
 996 {
 997   GDateTime *dt;
 998
 999   dt = g_date_time_new_utc (2009, 12, 1, 1, 31, 0);
1000   g_assert_cmpint (31, ==, g_date_time_get_minute (dt));
1001   g_date_time_unref (dt);
1002 }
1003
1004 static void
1005 test_GDateTime_get_month (void)
1006 {
1007   GDateTime *dt;
1008
1009   dt = g_date_time_new_utc (2009, 12, 1, 1, 31, 0);
1010   g_assert_cmpint (12, ==, g_date_time_get_month (dt));
1011   g_date_time_unref (dt);
1012 }
1013
1014 static void
1015 test_GDateTime_get_second (void)
1016 {
1017   GDateTime *dt;
1018
1019   dt = g_date_time_new_utc (2009, 12, 1, 1, 31, 44);
1020   g_assert_cmpint (44, ==, g_date_time_get_second (dt));
1021   g_date_time_unref (dt);
1022 }
1023
1024 static void
1025 test_GDateTime_new_full (void)
1026 {
1027   GTimeZone *tz, *dt_tz;
1028   GDateTime *dt;
1029
1030   dt = g_date_time_new_utc (2009, 12, 11, 12, 11, 10);
1031   g_assert_cmpint (2009, ==, g_date_time_get_year (dt));
1032   g_assert_cmpint (12, ==, g_date_time_get_month (dt));
1033   g_assert_cmpint (11, ==, g_date_time_get_day_of_month (dt));
1034   g_assert_cmpint (12, ==, g_date_time_get_hour (dt));
1035   g_assert_cmpint (11, ==, g_date_time_get_minute (dt));
1036   g_assert_cmpint (10, ==, g_date_time_get_second (dt));
1037   g_date_time_unref (dt);
1038
1039 #ifdef G_OS_UNIX
1040   tz = g_time_zone_new ("America/Tijuana");
1041 #elif defined G_OS_WIN32
1042   tz = g_time_zone_new ("Pacific Standard Time");
1043 #endif
1044   dt = g_date_time_new (tz, 2010, 11, 24, 8, 4, 0);
1045
1046   dt_tz = g_date_time_get_timezone (dt);
1047   g_assert_cmpstr (g_time_zone_get_identifier (dt_tz), ==,
1048                    g_time_zone_get_identifier (tz));
1049
1050   g_assert_cmpint (2010, ==, g_date_time_get_year (dt));
1051   g_assert_cmpint (11, ==, g_date_time_get_month (dt));
1052   g_assert_cmpint (24, ==, g_date_time_get_day_of_month (dt));
1053   g_assert_cmpint (8, ==, g_date_time_get_hour (dt));
1054   g_assert_cmpint (4, ==, g_date_time_get_minute (dt));
1055   g_assert_cmpint (0, ==, g_date_time_get_second (dt));
1056 #ifdef G_OS_UNIX
1057   g_assert_cmpstr ("PST", ==, g_date_time_get_timezone_abbreviation (dt));
1058   g_assert_cmpstr ("America/Tijuana", ==, g_time_zone_get_identifier (dt_tz));
1059 #elif defined G_OS_WIN32
1060   g_assert_cmpstr ("Pacific Standard Time", ==,
1061                     g_date_time_get_timezone_abbreviation (dt));
1062   g_assert_cmpstr ("Pacific Standard Time", ==,
1063                    g_time_zone_get_identifier (dt_tz));
1064 #endif
1065   g_assert (!g_date_time_is_daylight_savings (dt));
1066   g_date_time_unref (dt);
1067   g_time_zone_unref (tz);
1068
1069   /* Check month limits */
1070   dt = g_date_time_new_utc (2016, 1, 31, 22, 10, 42);
1071   ASSERT_DATE (dt, 2016, 1, 31);
1072   g_date_time_unref (dt);
1073   dt = g_date_time_new_utc (2016, 1, 32, 22, 10, 42);
1074   g_assert_null (dt);
1075   dt = g_date_time_new_utc (2016, 2, 29, 22, 10, 42);
1076   ASSERT_DATE (dt, 2016, 2, 29);
1077   g_date_time_unref (dt);
1078   dt = g_date_time_new_utc (2016, 2, 30, 22, 10, 42);
1079   g_assert_null (dt);
1080   dt = g_date_time_new_utc (2017, 2, 28, 22, 10, 42);
1081   ASSERT_DATE (dt, 2017, 2, 28);
1082   g_date_time_unref (dt);
1083   dt = g_date_time_new_utc (2017, 2, 29, 22, 10, 42);
1084   g_assert_null (dt);
1085   dt = g_date_time_new_utc (2016, 3, 31, 22, 10, 42);
1086   ASSERT_DATE (dt, 2016, 3, 31);
1087   g_date_time_unref (dt);
1088   dt = g_date_time_new_utc (2016, 3, 32, 22, 10, 42);
1089   g_assert_null (dt);
1090   dt = g_date_time_new_utc (2016, 4, 30, 22, 10, 42);
1091   ASSERT_DATE (dt, 2016, 4, 30);
1092   g_date_time_unref (dt);
1093   dt = g_date_time_new_utc (2016, 4, 31, 22, 10, 42);
1094   g_assert_null (dt);
1095   dt = g_date_time_new_utc (2016, 5, 31, 22, 10, 42);
1096   ASSERT_DATE (dt, 2016, 5, 31);
1097   g_date_time_unref (dt);
1098   dt = g_date_time_new_utc (2016, 5, 32, 22, 10, 42);
1099   g_assert_null (dt);
1100   dt = g_date_time_new_utc (2016, 6, 30, 22, 10, 42);
1101   ASSERT_DATE (dt, 2016, 6, 30);
1102   g_date_time_unref (dt);
1103   dt = g_date_time_new_utc (2016, 6, 31, 22, 10, 42);
1104   g_assert_null (dt);
1105   dt = g_date_time_new_utc (2016, 7, 31, 22, 10, 42);
1106   ASSERT_DATE (dt, 2016, 7, 31);
1107   g_date_time_unref (dt);
1108   dt = g_date_time_new_utc (2016, 7, 32, 22, 10, 42);
1109   g_assert_null (dt);
1110   dt = g_date_time_new_utc (2016, 8, 31, 22, 10, 42);
1111   ASSERT_DATE (dt, 2016, 8, 31);
1112   g_date_time_unref (dt);
1113   dt = g_date_time_new_utc (2016, 8, 32, 22, 10, 42);
1114   g_assert_null (dt);
1115   dt = g_date_time_new_utc (2016, 9, 30, 22, 10, 42);
1116   ASSERT_DATE (dt, 2016, 9, 30);
1117   g_date_time_unref (dt);
1118   dt = g_date_time_new_utc (2016, 9, 31, 22, 10, 42);
1119   g_assert_null (dt);
1120   dt = g_date_time_new_utc (2016, 10, 31, 22, 10, 42);
1121   ASSERT_DATE (dt, 2016, 10, 31);
1122   g_date_time_unref (dt);
1123   dt = g_date_time_new_utc (2016, 10, 32, 22, 10, 42);
1124   g_assert_null (dt);
1125   dt = g_date_time_new_utc (2016, 11, 30, 22, 10, 42);
1126   ASSERT_DATE (dt, 2016, 11, 30);
1127   g_date_time_unref (dt);
1128   dt = g_date_time_new_utc (2016, 11, 31, 22, 10, 42);
1129   g_assert_null (dt);
1130   dt = g_date_time_new_utc (2016, 12, 31, 22, 10, 42);
1131   ASSERT_DATE (dt, 2016, 12, 31);
1132   g_date_time_unref (dt);
1133   dt = g_date_time_new_utc (2016, 12, 32, 22, 10, 42);
1134   g_assert_null (dt);
1135 }
1136
1137 static void
1138 test_GDateTime_now_utc (void)
1139 {
1140   GDateTime *dt;
1141   struct tm  tm;
1142   time_t     t;
1143   time_t     after;
1144
1145   /* t <= dt.to_unix() <= after, but the inequalities might not be
1146    * equality if we're close to the boundary between seconds.
1147    * We loop until t == after (and hence dt.to_unix() should equal both)
1148    * to guard against that. */
1149   do
1150     {
1151       t = g_get_real_time () / G_TIME_SPAN_SECOND;
1152 #ifdef HAVE_GMTIME_R
1153       gmtime_r (&t, &tm);
1154 #else
1155       {
1156         struct tm *tmp = gmtime (&t);
1157         /* Assume gmtime() can't fail as we got t from time(NULL). (Note
1158          * that on Windows, gmtime() *is* MT-safe, it uses a thread-local
1159          * buffer.)
1160          */
1161         memcpy (&tm, tmp, sizeof (struct tm));
1162       }
1163 #endif
1164       dt = g_date_time_new_now_utc ();
1165
1166       after = g_get_real_time () / G_TIME_SPAN_SECOND;
1167     }
1168   while (t != after);
1169
1170   g_assert_cmpint (tm.tm_year + 1900, ==, g_date_time_get_year (dt));
1171   g_assert_cmpint (tm.tm_mon + 1, ==, g_date_time_get_month (dt));
1172   g_assert_cmpint (tm.tm_mday, ==, g_date_time_get_day_of_month (dt));
1173   g_assert_cmpint (tm.tm_hour, ==, g_date_time_get_hour (dt));
1174   g_assert_cmpint (tm.tm_min, ==, g_date_time_get_minute (dt));
1175   g_assert_cmpint (tm.tm_sec, ==, g_date_time_get_second (dt));
1176   g_date_time_unref (dt);
1177 }
1178
1179 static void
1180 test_GDateTime_new_from_unix_utc (void)
1181 {
1182   GDateTime *dt;
1183   gint64 t;
1184
1185   t = g_get_real_time ();
1186
1187 #if 0
1188   dt = g_date_time_new_from_unix_utc (t);
1189   g_assert (dt == NULL);
1190 #endif
1191
1192   t = t / 1e6;  /* oops, this was microseconds */
1193
1194   dt = g_date_time_new_from_unix_utc (t);
1195   g_assert (dt != NULL);
1196
1197   g_assert (dt == g_date_time_ref (dt));
1198   g_date_time_unref (dt);
1199   g_assert_cmpint (g_date_time_to_unix (dt), ==, t);
1200   g_date_time_unref (dt);
1201 }
1202
1203 static void
1204 test_GDateTime_get_utc_offset (void)
1205 {
1206 #if defined (HAVE_STRUCT_TM_TM_GMTOFF) || defined (HAVE_STRUCT_TM___TM_GMTOFF)
1207   GDateTime *dt;
1208   GTimeSpan ts;
1209   struct tm tm;
1210
1211   memset (&tm, 0, sizeof (tm));
1212   get_localtime_tm (g_get_real_time () / G_TIME_SPAN_SECOND, &tm);
1213
1214   dt = g_date_time_new_now_local ();
1215   ts = g_date_time_get_utc_offset (dt);
1216 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
1217   g_assert_cmpint (ts, ==, (tm.tm_gmtoff * G_TIME_SPAN_SECOND));
1218 #endif
1219 #ifdef HAVE_STRUCT_TM___TM_GMTOFF
1220   g_assert_cmpint (ts, ==, (tm.__tm_gmtoff * G_TIME_SPAN_SECOND));
1221 #endif
1222   g_date_time_unref (dt);
1223 #endif
1224 }
1225
1226 static void
1227 test_GDateTime_to_timeval (void)
1228 {
1229   GTimeVal tv1, tv2;
1230   GDateTime *dt;
1231
1232   memset (&tv1, 0, sizeof (tv1));
1233   memset (&tv2, 0, sizeof (tv2));
1234
1235   g_get_current_time (&tv1);
1236   dt = g_date_time_new_from_timeval_local (&tv1);
1237   g_date_time_to_timeval (dt, &tv2);
1238   g_assert_cmpint (tv1.tv_sec, ==, tv2.tv_sec);
1239   g_assert_cmpint (tv1.tv_usec, ==, tv2.tv_usec);
1240   g_date_time_unref (dt);
1241 }
1242
1243 static void
1244 test_GDateTime_to_local (void)
1245 {
1246   GDateTime *utc = NULL, *now = NULL, *dt;
1247   time_t before, after;
1248
1249   /* before <= utc.to_unix() <= now.to_unix() <= after, but the inequalities
1250    * might not be equality if we're close to the boundary between seconds.
1251    * We loop until before == after (and hence the GDateTimes should match)
1252    * to guard against that. */
1253   do
1254     {
1255       before = g_get_real_time () / G_TIME_SPAN_SECOND;
1256       g_clear_pointer (&utc, g_date_time_unref);
1257       g_clear_pointer (&now, g_date_time_unref);
1258       utc = g_date_time_new_now_utc ();
1259       now = g_date_time_new_now_local ();
1260       after = g_get_real_time () / G_TIME_SPAN_SECOND;
1261     }
1262   while (before != after);
1263
1264   dt = g_date_time_to_local (utc);
1265
1266   g_assert_cmpint (g_date_time_get_year (now), ==, g_date_time_get_year (dt));
1267   g_assert_cmpint (g_date_time_get_month (now), ==, g_date_time_get_month (dt));
1268   g_assert_cmpint (g_date_time_get_day_of_month (now), ==, g_date_time_get_day_of_month (dt));
1269   g_assert_cmpint (g_date_time_get_hour (now), ==, g_date_time_get_hour (dt));
1270   g_assert_cmpint (g_date_time_get_minute (now), ==, g_date_time_get_minute (dt));
1271   g_assert_cmpint (g_date_time_get_second (now), ==, g_date_time_get_second (dt));
1272
1273   g_date_time_unref (now);
1274   g_date_time_unref (utc);
1275   g_date_time_unref (dt);
1276 }
1277
1278 static void
1279 test_GDateTime_to_utc (void)
1280 {
1281   GDateTime *dt, *dt2;
1282   time_t     t;
1283   struct tm  tm;
1284
1285   t = time (NULL);
1286 #ifdef HAVE_GMTIME_R
1287   gmtime_r (&t, &tm);
1288 #else
1289   {
1290     struct tm *tmp = gmtime (&t);
1291     memcpy (&tm, tmp, sizeof (struct tm));
1292   }
1293 #endif
1294   dt2 = g_date_time_new_from_unix_local (t);
1295   dt = g_date_time_to_utc (dt2);
1296   g_assert_cmpint (tm.tm_year + 1900, ==, g_date_time_get_year (dt));
1297   g_assert_cmpint (tm.tm_mon + 1, ==, g_date_time_get_month (dt));
1298   g_assert_cmpint (tm.tm_mday, ==, g_date_time_get_day_of_month (dt));
1299   g_assert_cmpint (tm.tm_hour, ==, g_date_time_get_hour (dt));
1300   g_assert_cmpint (tm.tm_min, ==, g_date_time_get_minute (dt));
1301   g_assert_cmpint (tm.tm_sec, ==, g_date_time_get_second (dt));
1302   g_date_time_unref (dt);
1303   g_date_time_unref (dt2);
1304 }
1305
1306 static void
1307 test_GDateTime_get_day_of_year (void)
1308 {
1309 #define TEST_DAY_OF_YEAR(y,m,d,o)                       G_STMT_START {  \
1310   GDateTime *__dt = g_date_time_new_local ((y), (m), (d), 0, 0, 0);     \
1311   g_assert_cmpint ((o), ==, g_date_time_get_day_of_year (__dt));        \
1312   g_date_time_unref (__dt);                             } G_STMT_END
1313
1314   TEST_DAY_OF_YEAR (2009, 1, 1, 1);
1315   TEST_DAY_OF_YEAR (2009, 2, 1, 32);
1316   TEST_DAY_OF_YEAR (2009, 8, 16, 228);
1317   TEST_DAY_OF_YEAR (2008, 8, 16, 229);
1318 }
1319
1320 static void
1321 test_GDateTime_printf (void)
1322 {
1323 /* 64 seems big, but one zoneinfo file, Factory, has an abbreviation
1324  * that long, and it will cause the test to fail if dst isn't big
1325  * enough.
1326  */
1327   gchar *old_lc_messages;
1328   gchar dst[64];
1329   struct tm tt;
1330   time_t t;
1331
1332 #define TEST_PRINTF(f,o)                        G_STMT_START {  \
1333 GDateTime *__dt = g_date_time_new_local (2009, 10, 24, 0, 0, 0);\
1334   gchar *__p = g_date_time_format (__dt, (f));                  \
1335   g_assert_cmpstr (__p, ==, (o));                               \
1336   g_date_time_unref (__dt);                                     \
1337   g_free (__p);                                 } G_STMT_END
1338
1339 #define TEST_PRINTF_DATE(y,m,d,f,o)             G_STMT_START {  \
1340   GDateTime *dt = g_date_time_new_local (y, m, d, 0, 0, 0);     \
1341   gchar *p = g_date_time_format (dt, (f));                      \
1342   gchar *o_casefold = g_utf8_casefold (o, -1);                  \
1343   gchar *p_casefold = g_utf8_casefold (p, -1);                  \
1344   g_assert_cmpstr (p_casefold, ==, (o_casefold));               \
1345   g_date_time_unref (dt);                                       \
1346   g_free (p_casefold);                                          \
1347   g_free (o_casefold);                                          \
1348   g_free (p);                                   } G_STMT_END
1349
1350 #define TEST_PRINTF_TIME(h,m,s,f,o)             G_STMT_START { \
1351   GDateTime *dt = g_date_time_new_local (2009, 10, 24, (h), (m), (s)); \
1352   gchar *p = g_date_time_format (dt, (f));                      \
1353   g_assert_cmpstr (p, ==, (o));                                 \
1354   g_date_time_unref (dt);                                       \
1355   g_free (p);                                   } G_STMT_END
1356
1357   old_lc_messages = g_strdup (g_getenv ("LC_MESSAGES"));
1358   g_setenv ("LC_MESSAGES", "C", TRUE);
1359
1360   /*
1361    * This is a little helper to make sure we can compare timezones to
1362    * that of the generated timezone.
1363    */
1364   t = time (NULL);
1365   memset (&tt, 0, sizeof(tt));
1366   get_localtime_tm (t, &tt);
1367   tt.tm_year = 2009 - 1900;
1368   tt.tm_mon = 9; /* 0 indexed */
1369   tt.tm_mday = 24;
1370   t = mktime (&tt);
1371   memset (&tt, 0, sizeof(tt));
1372   get_localtime_tm (t, &tt);
1373   strftime (dst, sizeof(dst), "%Z", &tt);
1374
1375   /* get current time_t for 20090924 in the local timezone */
1376   tt.tm_sec = 0;
1377   tt.tm_min = 0;
1378   tt.tm_hour = 0;
1379   t = mktime (&tt);
1380
1381   TEST_PRINTF ("%a", "Sat");
1382   TEST_PRINTF ("%A", "Saturday");
1383   TEST_PRINTF ("%b", "Oct");
1384   TEST_PRINTF ("%B", "October");
1385   TEST_PRINTF ("%d", "24");
1386   TEST_PRINTF_DATE (2009, 1, 1, "%d", "01");
1387   TEST_PRINTF ("%e", "24"); // fixme
1388   TEST_PRINTF ("%h", "Oct");
1389   TEST_PRINTF ("%H", "00");
1390   TEST_PRINTF_TIME (15, 0, 0, "%H", "15");
1391   TEST_PRINTF ("%I", "12");
1392   TEST_PRINTF_TIME (12, 0, 0, "%I", "12");
1393   TEST_PRINTF_TIME (15, 0, 0, "%I", "03");
1394   TEST_PRINTF ("%j", "297");
1395   TEST_PRINTF ("%k", " 0");
1396   TEST_PRINTF_TIME (13, 13, 13, "%k", "13");
1397   TEST_PRINTF ("%l", "12");
1398   TEST_PRINTF_TIME (12, 0, 0, "%I", "12");
1399   TEST_PRINTF_TIME (13, 13, 13, "%l", " 1");
1400   TEST_PRINTF_TIME (10, 13, 13, "%l", "10");
1401   TEST_PRINTF ("%m", "10");
1402   TEST_PRINTF ("%M", "00");
1403   TEST_PRINTF ("%p", "AM");
1404   TEST_PRINTF_TIME (13, 13, 13, "%p", "PM");
1405   TEST_PRINTF ("%P", "am");
1406   TEST_PRINTF_TIME (13, 13, 13, "%P", "pm");
1407   TEST_PRINTF ("%r", "12:00:00 AM");
1408   TEST_PRINTF_TIME (13, 13, 13, "%r", "01:13:13 PM");
1409   TEST_PRINTF ("%R", "00:00");
1410   TEST_PRINTF_TIME (13, 13, 31, "%R", "13:13");
1411   TEST_PRINTF ("%S", "00");
1412   TEST_PRINTF ("%t", "  ");
1413   TEST_PRINTF ("%u", "6");
1414   TEST_PRINTF ("%x", "10/24/09");
1415   TEST_PRINTF ("%X", "00:00:00");
1416   TEST_PRINTF_TIME (13, 14, 15, "%X", "13:14:15");
1417   TEST_PRINTF ("%y", "09");
1418   TEST_PRINTF ("%Y", "2009");
1419   TEST_PRINTF ("%%", "%");
1420   TEST_PRINTF ("%", "");
1421   TEST_PRINTF ("%9", NULL);
1422 #ifdef G_OS_UNIX
1423   TEST_PRINTF ("%Z", dst);
1424 #elif defined G_OS_WIN32
1425   TEST_PRINTF ("%Z", "Pacific Standard Time");
1426 #endif
1427
1428   if (old_lc_messages != NULL)
1429     g_setenv ("LC_MESSAGES", old_lc_messages, TRUE);
1430   else
1431     g_unsetenv ("LC_MESSAGES");
1432   g_free (old_lc_messages);
1433 }
1434
1435 static void
1436 test_non_utf8_printf (void)
1437 {
1438   gchar *oldlocale;
1439
1440   oldlocale = g_strdup (setlocale (LC_ALL, NULL));
1441   setlocale (LC_ALL, "ja_JP.eucjp");
1442   if (strstr (setlocale (LC_ALL, NULL), "ja_JP") == NULL)
1443     {
1444       g_test_skip ("locale ja_JP.eucjp not available, skipping non-UTF8 tests");
1445       g_free (oldlocale);
1446       return;
1447     }
1448   if (g_get_charset (NULL))
1449     {
1450       g_test_skip ("locale ja_JP.eucjp may be available, but glib seems to think that it's equivalent to UTF-8, skipping non-UTF-8 tests. This is a known issue on Darwin");
1451       setlocale (LC_ALL, oldlocale);
1452       g_free (oldlocale);
1453       return;
1454     }
1455
1456   /* These are the outputs that ja_JP.UTF-8 generates; if everything
1457    * is working then ja_JP.eucjp should generate the same.
1458    */
1459   TEST_PRINTF ("%a", "\345\234\237");
1460   TEST_PRINTF ("%A", "\345\234\237\346\233\234\346\227\245");
1461 #ifndef __APPLE__ /* OSX just returns the number */
1462   TEST_PRINTF ("%b", "10\346\234\210");
1463 #endif
1464   TEST_PRINTF ("%B", "10\346\234\210");
1465   TEST_PRINTF ("%d", "24");
1466   TEST_PRINTF_DATE (2009, 1, 1, "%d", "01");
1467   TEST_PRINTF ("%e", "24"); // fixme
1468 #ifndef __APPLE__ /* OSX just returns the number */
1469   TEST_PRINTF ("%h", "10\346\234\210");
1470 #endif
1471   TEST_PRINTF ("%H", "00");
1472   TEST_PRINTF_TIME (15, 0, 0, "%H", "15");
1473   TEST_PRINTF ("%I", "12");
1474   TEST_PRINTF_TIME (12, 0, 0, "%I", "12");
1475   TEST_PRINTF_TIME (15, 0, 0, "%I", "03");
1476   TEST_PRINTF ("%j", "297");
1477   TEST_PRINTF ("%k", " 0");
1478   TEST_PRINTF_TIME (13, 13, 13, "%k", "13");
1479   TEST_PRINTF ("%l", "12");
1480   TEST_PRINTF_TIME (12, 0, 0, "%I", "12");
1481   TEST_PRINTF_TIME (13, 13, 13, "%l", " 1");
1482   TEST_PRINTF_TIME (10, 13, 13, "%l", "10");
1483   TEST_PRINTF ("%m", "10");
1484   TEST_PRINTF ("%M", "00");
1485 #ifndef __APPLE__ /* OSX returns latin "AM", not japanese */
1486   TEST_PRINTF ("%p", "\345\215\210\345\211\215");
1487   TEST_PRINTF_TIME (13, 13, 13, "%p", "\345\215\210\345\276\214");
1488   TEST_PRINTF ("%P", "\345\215\210\345\211\215");
1489   TEST_PRINTF_TIME (13, 13, 13, "%P", "\345\215\210\345\276\214");
1490   TEST_PRINTF ("%r", "\345\215\210\345\211\21512\346\231\20200\345\210\20600\347\247\222");
1491   TEST_PRINTF_TIME (13, 13, 13, "%r", "\345\215\210\345\276\21401\346\231\20213\345\210\20613\347\247\222");
1492 #endif
1493   TEST_PRINTF ("%R", "00:00");
1494   TEST_PRINTF_TIME (13, 13, 31, "%R", "13:13");
1495   TEST_PRINTF ("%S", "00");
1496   TEST_PRINTF ("%t", "  ");
1497   TEST_PRINTF ("%u", "6");
1498 #ifndef __APPLE__ /* OSX returns YYYY/MM/DD in ASCII */
1499   TEST_PRINTF ("%x", "2009\345\271\26410\346\234\21024\346\227\245");
1500 #endif
1501   TEST_PRINTF ("%X", "00\346\231\20200\345\210\20600\347\247\222");
1502   TEST_PRINTF_TIME (13, 14, 15, "%X", "13\346\231\20214\345\210\20615\347\247\222");
1503   TEST_PRINTF ("%y", "09");
1504   TEST_PRINTF ("%Y", "2009");
1505   TEST_PRINTF ("%%", "%");
1506   TEST_PRINTF ("%", "");
1507   TEST_PRINTF ("%9", NULL);
1508
1509   setlocale (LC_ALL, oldlocale);
1510   g_free (oldlocale);
1511 }
1512
1513 static void
1514 test_modifiers (void)
1515 {
1516   gchar *oldlocale;
1517
1518   TEST_PRINTF_DATE (2009, 1,  1,  "%d", "01");
1519   TEST_PRINTF_DATE (2009, 1,  1, "%_d", " 1");
1520   TEST_PRINTF_DATE (2009, 1,  1, "%-d", "1");
1521   TEST_PRINTF_DATE (2009, 1,  1, "%0d", "01");
1522   TEST_PRINTF_DATE (2009, 1, 21,  "%d", "21");
1523   TEST_PRINTF_DATE (2009, 1, 21, "%_d", "21");
1524   TEST_PRINTF_DATE (2009, 1, 21, "%-d", "21");
1525   TEST_PRINTF_DATE (2009, 1, 21, "%0d", "21");
1526
1527   TEST_PRINTF_DATE (2009, 1,  1,  "%e", " 1");
1528   TEST_PRINTF_DATE (2009, 1,  1, "%_e", " 1");
1529   TEST_PRINTF_DATE (2009, 1,  1, "%-e", "1");
1530   TEST_PRINTF_DATE (2009, 1,  1, "%0e", "01");
1531   TEST_PRINTF_DATE (2009, 1, 21,  "%e", "21");
1532   TEST_PRINTF_DATE (2009, 1, 21, "%_e", "21");
1533   TEST_PRINTF_DATE (2009, 1, 21, "%-e", "21");
1534   TEST_PRINTF_DATE (2009, 1, 21, "%0e", "21");
1535
1536   TEST_PRINTF_TIME ( 1, 0, 0,  "%H", "01");
1537   TEST_PRINTF_TIME ( 1, 0, 0, "%_H", " 1");
1538   TEST_PRINTF_TIME ( 1, 0, 0, "%-H", "1");
1539   TEST_PRINTF_TIME ( 1, 0, 0, "%0H", "01");
1540   TEST_PRINTF_TIME (21, 0, 0,  "%H", "21");
1541   TEST_PRINTF_TIME (21, 0, 0, "%_H", "21");
1542   TEST_PRINTF_TIME (21, 0, 0, "%-H", "21");
1543   TEST_PRINTF_TIME (21, 0, 0, "%0H", "21");
1544
1545   TEST_PRINTF_TIME ( 1, 0, 0,  "%I", "01");
1546   TEST_PRINTF_TIME ( 1, 0, 0, "%_I", " 1");
1547   TEST_PRINTF_TIME ( 1, 0, 0, "%-I", "1");
1548   TEST_PRINTF_TIME ( 1, 0, 0, "%0I", "01");
1549   TEST_PRINTF_TIME (23, 0, 0,  "%I", "11");
1550   TEST_PRINTF_TIME (23, 0, 0, "%_I", "11");
1551   TEST_PRINTF_TIME (23, 0, 0, "%-I", "11");
1552   TEST_PRINTF_TIME (23, 0, 0, "%0I", "11");
1553
1554   TEST_PRINTF_TIME ( 1, 0, 0,  "%k", " 1");
1555   TEST_PRINTF_TIME ( 1, 0, 0, "%_k", " 1");
1556   TEST_PRINTF_TIME ( 1, 0, 0, "%-k", "1");
1557   TEST_PRINTF_TIME ( 1, 0, 0, "%0k", "01");
1558
1559   oldlocale = g_strdup (setlocale (LC_ALL, NULL));
1560   setlocale (LC_ALL, "fa_IR.utf-8");
1561   if (strstr (setlocale (LC_ALL, NULL), "fa_IR") != NULL)
1562     {
1563       TEST_PRINTF_TIME (23, 0, 0, "%OH", "\333\262\333\263");    /* '23' */
1564       TEST_PRINTF_TIME (23, 0, 0, "%OI", "\333\261\333\261");    /* '11' */
1565       TEST_PRINTF_TIME (23, 0, 0, "%OM", "\333\260\333\260");    /* '00' */
1566
1567       TEST_PRINTF_DATE (2011, 7, 1, "%Om", "\333\260\333\267");  /* '07' */
1568       TEST_PRINTF_DATE (2011, 7, 1, "%0Om", "\333\260\333\267"); /* '07' */
1569       TEST_PRINTF_DATE (2011, 7, 1, "%-Om", "\333\267");         /* '7' */
1570       TEST_PRINTF_DATE (2011, 7, 1, "%_Om", " \333\267");        /* ' 7' */
1571     }
1572   else
1573     g_test_skip ("locale fa_IR not available, skipping O modifier tests");
1574   setlocale (LC_ALL, oldlocale);
1575   g_free (oldlocale);
1576 }
1577
1578 /* Test that the `O` modifier for g_date_time_format() works with %B, %b and %h;
1579  * i.e. whether genitive month names are supported. */
1580 static void
1581 test_month_names (void)
1582 {
1583   gchar *oldlocale;
1584
1585   g_test_bug ("749206");
1586
1587   /* If running uninstalled (G_TEST_BUILDDIR is set), skip this test, since we
1588    * need the translations to be installed. We can’t mess around with
1589    * bindtextdomain() here, as the compiled .gmo files in po/ are not in the
1590    * right installed directory hierarchy to be successfully loaded by gettext. */
1591   if (g_getenv ("G_TEST_BUILDDIR") != NULL)
1592     {
1593       g_test_skip ("Skipping due to running uninstalled. "
1594                    "This test can only be run when the translations are installed.");
1595       return;
1596     }
1597
1598   oldlocale = g_strdup (setlocale (LC_ALL, NULL));
1599
1600   /* Make sure that nothing has been changed in western European languages.  */
1601   setlocale (LC_ALL, "en_GB.utf-8");
1602   if (strstr (setlocale (LC_ALL, NULL), "en_GB") != NULL)
1603     {
1604       TEST_PRINTF_DATE (2018,  1,  1,  "%B", "January");
1605       TEST_PRINTF_DATE (2018,  2,  1, "%OB", "February");
1606       TEST_PRINTF_DATE (2018,  3,  1,  "%b", "Mar");
1607       TEST_PRINTF_DATE (2018,  4,  1, "%Ob", "Apr");
1608       TEST_PRINTF_DATE (2018,  5,  1,  "%h", "May");
1609       TEST_PRINTF_DATE (2018,  6,  1, "%Oh", "Jun");
1610     }
1611   else
1612     g_test_skip ("locale en_GB not available, skipping English month names test");
1613
1614   setlocale (LC_ALL, "de_DE.utf-8");
1615   if (strstr (setlocale (LC_ALL, NULL), "de_DE") != NULL)
1616     {
1617       TEST_PRINTF_DATE (2018,  7,  1,  "%B", "Juli");
1618       TEST_PRINTF_DATE (2018,  8,  1, "%OB", "August");
1619       TEST_PRINTF_DATE (2018,  9,  1,  "%b", "Sep");
1620       TEST_PRINTF_DATE (2018, 10,  1, "%Ob", "Okt");
1621       TEST_PRINTF_DATE (2018, 11,  1,  "%h", "Nov");
1622       TEST_PRINTF_DATE (2018, 12,  1, "%Oh", "Dez");
1623     }
1624   else
1625     g_test_skip ("locale de_DE not available, skipping German month names test");
1626
1627   setlocale (LC_ALL, "es_ES.utf-8");
1628   if (strstr (setlocale (LC_ALL, NULL), "es_ES") != NULL)
1629     {
1630       TEST_PRINTF_DATE (2018,  1,  1,  "%B", "enero");
1631       TEST_PRINTF_DATE (2018,  2,  1, "%OB", "febrero");
1632       TEST_PRINTF_DATE (2018,  3,  1,  "%b", "mar");
1633       TEST_PRINTF_DATE (2018,  4,  1, "%Ob", "abr");
1634       TEST_PRINTF_DATE (2018,  5,  1,  "%h", "may");
1635       TEST_PRINTF_DATE (2018,  6,  1, "%Oh", "jun");
1636     }
1637   else
1638     g_test_skip ("locale es_ES not available, skipping Spanish month names test");
1639
1640   setlocale (LC_ALL, "fr_FR.utf-8");
1641   if (strstr (setlocale (LC_ALL, NULL), "fr_FR") != NULL)
1642     {
1643       TEST_PRINTF_DATE (2018,  7,  1,  "%B", "juillet");
1644       TEST_PRINTF_DATE (2018,  8,  1, "%OB", "août");
1645       TEST_PRINTF_DATE (2018,  9,  1,  "%b", "sept.");
1646       TEST_PRINTF_DATE (2018, 10,  1, "%Ob", "oct.");
1647       TEST_PRINTF_DATE (2018, 11,  1,  "%h", "nov.");
1648       TEST_PRINTF_DATE (2018, 12,  1, "%Oh", "déc.");
1649     }
1650   else
1651     g_test_skip ("locale fr_FR not available, skipping French month names test");
1652
1653   /* Make sure that there are visible changes in some European languages.  */
1654   setlocale (LC_ALL, "el_GR.utf-8");
1655   if (strstr (setlocale (LC_ALL, NULL), "el_GR") != NULL)
1656     {
1657       TEST_PRINTF_DATE (2018,  1,  1,  "%B", "Ιανουαρίου");
1658       TEST_PRINTF_DATE (2018,  2,  1,  "%B", "Φεβρουαρίου");
1659       TEST_PRINTF_DATE (2018,  3,  1,  "%B", "Μαρτίου");
1660       TEST_PRINTF_DATE (2018,  4,  1, "%OB", "Απρίλιος");
1661       TEST_PRINTF_DATE (2018,  5,  1, "%OB", "Μάιος");
1662       TEST_PRINTF_DATE (2018,  6,  1, "%OB", "Ιούνιος");
1663       TEST_PRINTF_DATE (2018,  7,  1,  "%b", "Ιουλ");
1664       TEST_PRINTF_DATE (2018,  8,  1, "%Ob", "Αύγ");
1665     }
1666   else
1667     g_test_skip ("locale el_GR not available, skipping Greek month names test");
1668
1669   setlocale (LC_ALL, "hr_HR.utf-8");
1670   if (strstr (setlocale (LC_ALL, NULL), "hr_HR") != NULL)
1671     {
1672       TEST_PRINTF_DATE (2018,  5,  1,  "%B", "svibnja");
1673       TEST_PRINTF_DATE (2018,  6,  1,  "%B", "lipnja");
1674       TEST_PRINTF_DATE (2018,  7,  1,  "%B", "srpnja");
1675       TEST_PRINTF_DATE (2018,  8,  1, "%OB", "Kolovoz");
1676       TEST_PRINTF_DATE (2018,  9,  1, "%OB", "Rujan");
1677       TEST_PRINTF_DATE (2018, 10,  1, "%OB", "Listopad");
1678       TEST_PRINTF_DATE (2018, 11,  1,  "%b", "Stu");
1679       TEST_PRINTF_DATE (2018, 12,  1, "%Ob", "Pro");
1680     }
1681   else
1682     g_test_skip ("locale hr_HR not available, skipping Croatian month names test");
1683
1684   setlocale (LC_ALL, "lt_LT.utf-8");
1685   if (strstr (setlocale (LC_ALL, NULL), "lt_LT") != NULL)
1686     {
1687       TEST_PRINTF_DATE (2018,  1,  1,  "%B", "sausio");
1688       TEST_PRINTF_DATE (2018,  2,  1,  "%B", "vasario");
1689       TEST_PRINTF_DATE (2018,  3,  1,  "%B", "kovo");
1690       TEST_PRINTF_DATE (2018,  4,  1, "%OB", "balandis");
1691       TEST_PRINTF_DATE (2018,  5,  1, "%OB", "gegužė");
1692       TEST_PRINTF_DATE (2018,  6,  1, "%OB", "birželis");
1693       TEST_PRINTF_DATE (2018,  7,  1,  "%b", "liep.");
1694       TEST_PRINTF_DATE (2018,  8,  1, "%Ob", "rugp.");
1695     }
1696   else
1697     g_test_skip ("locale lt_LT not available, skipping Lithuanian month names test");
1698
1699   setlocale (LC_ALL, "pl_PL.utf-8");
1700   if (strstr (setlocale (LC_ALL, NULL), "pl_PL") != NULL)
1701     {
1702       TEST_PRINTF_DATE (2018,  5,  1,  "%B", "maja");
1703       TEST_PRINTF_DATE (2018,  6,  1,  "%B", "czerwca");
1704       TEST_PRINTF_DATE (2018,  7,  1,  "%B", "lipca");
1705       TEST_PRINTF_DATE (2018,  8,  1, "%OB", "sierpień");
1706       TEST_PRINTF_DATE (2018,  9,  1, "%OB", "wrzesień");
1707       TEST_PRINTF_DATE (2018, 10,  1, "%OB", "październik");
1708       TEST_PRINTF_DATE (2018, 11,  1,  "%b", "lis");
1709       TEST_PRINTF_DATE (2018, 12,  1, "%Ob", "gru");
1710     }
1711   else
1712     g_test_skip ("locale pl_PL not available, skipping Polish month names test");
1713
1714   setlocale (LC_ALL, "ru_RU.utf-8");
1715   if (strstr (setlocale (LC_ALL, NULL), "ru_RU") != NULL)
1716     {
1717       TEST_PRINTF_DATE (2018,  1,  1,  "%B", "января");
1718       TEST_PRINTF_DATE (2018,  2,  1,  "%B", "февраля");
1719       TEST_PRINTF_DATE (2018,  3,  1,  "%B", "марта");
1720       TEST_PRINTF_DATE (2018,  4,  1, "%OB", "Апрель");
1721       TEST_PRINTF_DATE (2018,  5,  1, "%OB", "Май");
1722       TEST_PRINTF_DATE (2018,  6,  1, "%OB", "Июнь");
1723       TEST_PRINTF_DATE (2018,  7,  1,  "%b", "июл");
1724       TEST_PRINTF_DATE (2018,  8,  1, "%Ob", "авг");
1725       /* This difference is very important in Russian:  */
1726       TEST_PRINTF_DATE (2018,  5,  1,  "%b", "мая");
1727       TEST_PRINTF_DATE (2018,  5,  1, "%Ob", "май");
1728     }
1729   else
1730     g_test_skip ("locale ru_RU not available, skipping Russian month names test");
1731
1732   setlocale (LC_ALL, oldlocale);
1733   g_free (oldlocale);
1734 }
1735
1736 static void
1737 test_GDateTime_dst (void)
1738 {
1739   GDateTime *dt1, *dt2;
1740   GTimeZone *tz;
1741
1742   /* this date has the DST state set for Europe/London */
1743 #ifdef G_OS_UNIX
1744   tz = g_time_zone_new ("Europe/London");
1745 #elif defined G_OS_WIN32
1746   tz = g_time_zone_new ("GMT Standard Time");
1747 #endif
1748   dt1 = g_date_time_new (tz, 2009, 8, 15, 3, 0, 1);
1749   g_assert (g_date_time_is_daylight_savings (dt1));
1750   g_assert_cmpint (g_date_time_get_utc_offset (dt1) / G_USEC_PER_SEC, ==, 3600);
1751   g_assert_cmpint (g_date_time_get_hour (dt1), ==, 3);
1752
1753   /* add 6 months to clear the DST flag but keep the same time */
1754   dt2 = g_date_time_add_months (dt1, 6);
1755   g_assert (!g_date_time_is_daylight_savings (dt2));
1756   g_assert_cmpint (g_date_time_get_utc_offset (dt2) / G_USEC_PER_SEC, ==, 0);
1757   g_assert_cmpint (g_date_time_get_hour (dt2), ==, 3);
1758
1759   g_date_time_unref (dt2);
1760   g_date_time_unref (dt1);
1761
1762   /* now do the reverse: start with a non-DST state and move to DST */
1763   dt1 = g_date_time_new (tz, 2009, 2, 15, 2, 0, 1);
1764   g_assert (!g_date_time_is_daylight_savings (dt1));
1765   g_assert_cmpint (g_date_time_get_hour (dt1), ==, 2);
1766
1767   dt2 = g_date_time_add_months (dt1, 6);
1768   g_assert (g_date_time_is_daylight_savings (dt2));
1769   g_assert_cmpint (g_date_time_get_hour (dt2), ==, 2);
1770
1771   g_date_time_unref (dt2);
1772   g_date_time_unref (dt1);
1773   g_time_zone_unref (tz);
1774 }
1775
1776 static inline gboolean
1777 is_leap_year (gint year)
1778 {
1779   g_assert (1 <= year && year <= 9999);
1780
1781   return year % 400 == 0 || (year % 4 == 0 && year % 100 != 0);
1782 }
1783
1784 static inline gint
1785 days_in_month (gint year, gint month)
1786 {
1787   const gint table[2][13] = {
1788     {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
1789     {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
1790   };
1791
1792   g_assert (1 <= month && month <= 12);
1793
1794   return table[is_leap_year (year)][month];
1795 }
1796
1797 static void
1798 test_all_dates (void)
1799 {
1800   gint year, month, day;
1801   GTimeZone *timezone;
1802   gint64 unix_time;
1803   gint day_of_year;
1804   gint week_year;
1805   gint week_num;
1806   gint weekday;
1807
1808   /* save some time by hanging on to this. */
1809   timezone = g_time_zone_new_utc ();
1810
1811   unix_time = G_GINT64_CONSTANT(-62135596800);
1812
1813   /* 0001-01-01 is 0001-W01-1 */
1814   week_year = 1;
1815   week_num = 1;
1816   weekday = 1;
1817
1818
1819   /* The calendar makes a full cycle every 400 years, so we could
1820    * theoretically just test years 1 through 400.  That assumes that our
1821    * software has no bugs, so probably we should just test them all. :)
1822    */
1823   for (year = 1; year <= 9999; year++)
1824     {
1825       day_of_year = 1;
1826
1827       for (month = 1; month <= 12; month++)
1828         for (day = 1; day <= days_in_month (year, month); day++)
1829           {
1830             GDateTime *dt;
1831
1832             dt = g_date_time_new (timezone, year, month, day, 0, 0, 0);
1833
1834 #if 0
1835             g_printerr ("%04d-%02d-%02d = %04d-W%02d-%d = %04d-%03d\n",
1836                      year, month, day,
1837                      week_year, week_num, weekday,
1838                      year, day_of_year);
1839 #endif
1840
1841             /* sanity check */
1842             if G_UNLIKELY (g_date_time_get_year (dt) != year ||
1843                            g_date_time_get_month (dt) != month ||
1844                            g_date_time_get_day_of_month (dt) != day)
1845               g_error ("%04d-%02d-%02d comes out as %04d-%02d-%02d",
1846                        year, month, day,
1847                        g_date_time_get_year (dt),
1848                        g_date_time_get_month (dt),
1849                        g_date_time_get_day_of_month (dt));
1850
1851             if G_UNLIKELY (g_date_time_get_week_numbering_year (dt) != week_year ||
1852                            g_date_time_get_week_of_year (dt) != week_num ||
1853                            g_date_time_get_day_of_week (dt) != weekday)
1854               g_error ("%04d-%02d-%02d should be %04d-W%02d-%d but "
1855                        "comes out as %04d-W%02d-%d", year, month, day,
1856                        week_year, week_num, weekday,
1857                        g_date_time_get_week_numbering_year (dt),
1858                        g_date_time_get_week_of_year (dt),
1859                        g_date_time_get_day_of_week (dt));
1860
1861             if G_UNLIKELY (g_date_time_to_unix (dt) != unix_time)
1862               g_error ("%04d-%02d-%02d 00:00:00 UTC should have unix time %"
1863                        G_GINT64_FORMAT " but comes out as %"G_GINT64_FORMAT,
1864                        year, month, day, unix_time, g_date_time_to_unix (dt));
1865
1866             if G_UNLIKELY (g_date_time_get_day_of_year (dt) != day_of_year)
1867               g_error ("%04d-%02d-%02d should be day of year %d"
1868                        " but comes out as %d", year, month, day,
1869                        day_of_year, g_date_time_get_day_of_year (dt));
1870
1871             if G_UNLIKELY (g_date_time_get_hour (dt) != 0 ||
1872                            g_date_time_get_minute (dt) != 0 ||
1873                            g_date_time_get_seconds (dt) != 0)
1874               g_error ("%04d-%02d-%02d 00:00:00 UTC comes out "
1875                        "as %02d:%02d:%02.6f", year, month, day,
1876                        g_date_time_get_hour (dt),
1877                        g_date_time_get_minute (dt),
1878                        g_date_time_get_seconds (dt));
1879             /* done */
1880
1881             /* add 24 hours to unix time */
1882             unix_time += 24 * 60 * 60;
1883
1884             /* move day of year forward */
1885             day_of_year++;
1886
1887             /* move the week date forward */
1888             if (++weekday == 8)
1889               {
1890                 weekday = 1; /* Sunday -> Monday */
1891
1892                 /* NOTE: year/month/day is the final day of the week we
1893                  * just finished.
1894                  *
1895                  * If we just finished the last week of last year then
1896                  * we are definitely starting the first week of this
1897                  * year.
1898                  *
1899                  * Otherwise, if we're still in this year, but Sunday
1900                  * fell on or after December 28 then December 29, 30, 31
1901                  * could be days within the next year's first year.
1902                  */
1903                 if (year != week_year || (month == 12 && day >= 28))
1904                   {
1905                     /* first week of the new year */
1906                     week_num = 1;
1907                     week_year++;
1908                   }
1909                 else
1910                   week_num++;
1911               }
1912
1913             g_date_time_unref (dt);
1914           }
1915     }
1916
1917   g_time_zone_unref (timezone);
1918 }
1919
1920 static void
1921 test_z (void)
1922 {
1923   GTimeZone *tz;
1924   GDateTime *dt;
1925   gchar *p;
1926
1927   g_test_bug ("642935");
1928
1929   tz = g_time_zone_new ("-08:00");
1930   dt = g_date_time_new (tz, 1, 1, 1, 0, 0, 0);
1931
1932   p = g_date_time_format (dt, "%z");
1933   g_assert_cmpstr (p, ==, "-0800");
1934   g_free (p);
1935
1936   p = g_date_time_format (dt, "%:z");
1937   g_assert_cmpstr (p, ==, "-08:00");
1938   g_free (p);
1939
1940   p = g_date_time_format (dt, "%::z");
1941   g_assert_cmpstr (p, ==, "-08:00:00");
1942   g_free (p);
1943
1944   p = g_date_time_format (dt, "%:::z");
1945   g_assert_cmpstr (p, ==, "-08");
1946   g_free (p);
1947
1948   g_date_time_unref (dt);
1949   g_time_zone_unref (tz);
1950
1951   tz = g_time_zone_new ("+00:00");
1952   dt = g_date_time_new (tz, 1, 1, 1, 0, 0, 0);
1953   p = g_date_time_format (dt, "%:::z");
1954   g_assert_cmpstr (p, ==, "+00");
1955   g_free (p);
1956   g_date_time_unref (dt);
1957   g_time_zone_unref (tz);
1958
1959   tz = g_time_zone_new ("+08:23");
1960   dt = g_date_time_new (tz, 1, 1, 1, 0, 0, 0);
1961   p = g_date_time_format (dt, "%:::z");
1962   g_assert_cmpstr (p, ==, "+08:23");
1963   g_free (p);
1964   g_date_time_unref (dt);
1965   g_time_zone_unref (tz);
1966
1967   tz = g_time_zone_new ("+08:23:45");
1968   dt = g_date_time_new (tz, 1, 1, 1, 0, 0, 0);
1969   p = g_date_time_format (dt, "%:::z");
1970   g_assert_cmpstr (p, ==, "+08:23:45");
1971   g_free (p);
1972   g_date_time_unref (dt);
1973   g_time_zone_unref (tz);
1974 }
1975
1976 #pragma GCC diagnostic push
1977 #pragma GCC diagnostic ignored "-Wformat-y2k"
1978 static void
1979 test_strftime (void)
1980 {
1981 #ifdef __linux__
1982 #define TEST_FORMAT \
1983   "a%a A%A b%b B%B c%c C%C d%d e%e F%F g%g G%G h%h H%H I%I j%j m%m M%M " \
1984   "n%n p%p r%r R%R S%S t%t T%T u%u V%V w%w x%x X%X y%y Y%Y z%z Z%Z %%"
1985   time_t t;
1986
1987   /* 127997 is prime, 1315005118 is now */
1988   for (t = 0; t < 1315005118; t += 127997)
1989     {
1990       GDateTime *date_time;
1991       gchar c_str[1000];
1992       gchar *dt_str;
1993
1994       date_time = g_date_time_new_from_unix_local (t);
1995       dt_str = g_date_time_format (date_time, TEST_FORMAT);
1996       strftime (c_str, sizeof c_str, TEST_FORMAT, localtime (&t));
1997       g_assert_cmpstr (c_str, ==, dt_str);
1998       g_date_time_unref (date_time);
1999       g_free (dt_str);
2000     }
2001 #endif
2002 }
2003 #pragma GCC diagnostic pop
2004
2005 /* Check that g_date_time_format() correctly returns %NULL for format
2006  * placeholders which are not supported in the current locale. */
2007 static void
2008 test_GDateTime_strftime_error_handling (void)
2009 {
2010   gchar *oldlocale;
2011
2012   oldlocale = g_strdup (setlocale (LC_ALL, NULL));
2013   setlocale (LC_ALL, "de_DE.utf-8");
2014   if (strstr (setlocale (LC_ALL, NULL), "de_DE") != NULL)
2015     {
2016       /* de_DE doesn’t ever write time in 12-hour notation, so %r is
2017        * unsupported for it. */
2018       TEST_PRINTF_TIME (23, 0, 0, "%r", NULL);
2019     }
2020   else
2021     g_test_skip ("locale de_DE not available, skipping error handling tests");
2022   setlocale (LC_ALL, oldlocale);
2023   g_free (oldlocale);
2024 }
2025
2026 static void
2027 test_find_interval (void)
2028 {
2029   GTimeZone *tz;
2030   GDateTime *dt;
2031   gint64 u;
2032   gint i1, i2;
2033
2034 #ifdef G_OS_UNIX
2035   tz = g_time_zone_new ("America/Toronto");
2036 #elif defined G_OS_WIN32
2037   tz = g_time_zone_new ("Eastern Standard Time");
2038 #endif
2039   dt = g_date_time_new_utc (2010, 11, 7, 1, 30, 0);
2040   u = g_date_time_to_unix (dt);
2041
2042   i1 = g_time_zone_find_interval (tz, G_TIME_TYPE_STANDARD, u);
2043   i2 = g_time_zone_find_interval (tz, G_TIME_TYPE_DAYLIGHT, u);
2044
2045   g_assert_cmpint (i1, !=, i2);
2046
2047   g_date_time_unref (dt);
2048
2049   dt = g_date_time_new_utc (2010, 3, 14, 2, 0, 0);
2050   u = g_date_time_to_unix (dt);
2051
2052   i1 = g_time_zone_find_interval (tz, G_TIME_TYPE_STANDARD, u);
2053   g_assert_cmpint (i1, ==, -1);
2054
2055   g_date_time_unref (dt);
2056   g_time_zone_unref (tz);
2057 }
2058
2059 static void
2060 test_adjust_time (void)
2061 {
2062   GTimeZone *tz;
2063   GDateTime *dt;
2064   gint64 u, u2;
2065   gint i1, i2;
2066
2067 #ifdef G_OS_UNIX
2068   tz = g_time_zone_new ("America/Toronto");
2069 #elif defined G_OS_WIN32
2070   tz = g_time_zone_new ("Eastern Standard Time");
2071 #endif
2072   dt = g_date_time_new_utc (2010, 11, 7, 1, 30, 0);
2073   u = g_date_time_to_unix (dt);
2074   u2 = u;
2075
2076   i1 = g_time_zone_find_interval (tz, G_TIME_TYPE_DAYLIGHT, u);
2077   i2 = g_time_zone_adjust_time (tz, G_TIME_TYPE_DAYLIGHT, &u2);
2078
2079   g_assert_cmpint (i1, ==, i2);
2080   g_assert (u == u2);
2081
2082   g_date_time_unref (dt);
2083
2084   dt = g_date_time_new_utc (2010, 3, 14, 2, 30, 0);
2085   u2 = g_date_time_to_unix (dt);
2086   g_date_time_unref (dt);
2087
2088   dt = g_date_time_new_utc (2010, 3, 14, 3, 0, 0);
2089   u = g_date_time_to_unix (dt);
2090   g_date_time_unref (dt);
2091
2092   i1 = g_time_zone_adjust_time (tz, G_TIME_TYPE_DAYLIGHT, &u2);
2093   g_assert (u == u2);
2094
2095   g_time_zone_unref (tz);
2096 }
2097
2098 static void
2099 test_no_header (void)
2100 {
2101   GTimeZone *tz;
2102
2103   tz = g_time_zone_new ("blabla");
2104
2105   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "UTC");
2106   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "UTC");
2107   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, 0);
2108   g_assert (!g_time_zone_is_dst (tz, 0));
2109
2110   g_time_zone_unref (tz);
2111 }
2112
2113 static void
2114 test_posix_parse (void)
2115 {
2116   GTimeZone *tz;
2117   GDateTime *gdt1, *gdt2;
2118
2119   tz = g_time_zone_new ("PST");
2120   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "UTC");
2121   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "UTC");
2122   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, 0);
2123   g_assert (!g_time_zone_is_dst (tz, 0));
2124   g_time_zone_unref (tz);
2125
2126   tz = g_time_zone_new ("PST8");
2127   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "PST8");
2128   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "PST");
2129   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, - 8 * 3600);
2130   g_assert (!g_time_zone_is_dst (tz, 0));
2131   g_time_zone_unref (tz);
2132
2133 /* This fails rules_from_identifier on Unix (though not on Windows)
2134  * but passes anyway because PST8PDT is a zone name.
2135  */
2136   tz = g_time_zone_new ("PST8PDT");
2137   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "PST8PDT");
2138   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "PST");
2139   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, - 8 * 3600);
2140   g_assert (!g_time_zone_is_dst (tz, 0));
2141   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 1), ==, "PDT");
2142   g_assert_cmpint (g_time_zone_get_offset (tz, 1), ==,- 7 * 3600);
2143   g_assert (g_time_zone_is_dst (tz, 1));
2144   g_time_zone_unref (tz);
2145
2146   tz = g_time_zone_new ("PST8PDT6:32:15");
2147 #ifdef G_OS_WIN32
2148   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "PST8PDT6:32:15");
2149   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "PST");
2150   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, - 8 * 3600);
2151   g_assert (!g_time_zone_is_dst (tz, 0));
2152   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 1), ==, "PDT");
2153   g_assert_cmpint (g_time_zone_get_offset (tz, 1), ==, - 6 * 3600 - 32 *60 - 15);
2154   g_assert (g_time_zone_is_dst (tz, 1));
2155   gdt1 = g_date_time_new (tz, 2012, 12, 6, 11, 15, 23.0);
2156   gdt2 = g_date_time_new (tz, 2012, 6, 6, 11, 15, 23.0);
2157   g_assert (!g_date_time_is_daylight_savings (gdt1));
2158   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) /  1000000, ==, -28800);
2159   g_assert (g_date_time_is_daylight_savings (gdt2));
2160   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, -23535);
2161   g_date_time_unref (gdt1);
2162   g_date_time_unref (gdt2);
2163 #else
2164   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "UTC");
2165   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "UTC");
2166   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, 0);
2167   g_assert (!g_time_zone_is_dst (tz, 0));
2168 #endif
2169   g_time_zone_unref (tz);
2170
2171   tz = g_time_zone_new ("NZST-12:00:00NZDT-13:00:00,M10.1.0,M3.3.0");
2172   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "NZST-12:00:00NZDT-13:00:00,M10.1.0,M3.3.0");
2173   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "NZST");
2174   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, 12 * 3600);
2175   g_assert (!g_time_zone_is_dst (tz, 0));
2176   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 1), ==, "NZDT");
2177   g_assert_cmpint (g_time_zone_get_offset (tz, 1), ==, 13 * 3600);
2178   g_assert (g_time_zone_is_dst (tz, 1));
2179   gdt1 = g_date_time_new (tz, 2012, 3, 18, 0, 15, 23.0);
2180   gdt2 = g_date_time_new (tz, 2012, 3, 18, 3, 15, 23.0);
2181   g_assert (g_date_time_is_daylight_savings (gdt1));
2182   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2183   g_assert (!g_date_time_is_daylight_savings (gdt2));
2184   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2185   g_date_time_unref (gdt1);
2186   g_date_time_unref (gdt2);
2187   gdt1 = g_date_time_new (tz, 2012, 10, 7, 3, 15, 23.0);
2188   gdt2 = g_date_time_new (tz, 2012, 10, 7, 1, 15, 23.0);
2189   g_assert (g_date_time_is_daylight_savings (gdt1));
2190   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2191   g_assert (!g_date_time_is_daylight_savings (gdt2));
2192   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2193   g_date_time_unref (gdt1);
2194   g_date_time_unref (gdt2);
2195   g_time_zone_unref (tz);
2196
2197   tz = g_time_zone_new ("NZST-12:00:00NZDT-13:00:00,280,77");
2198   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "NZST-12:00:00NZDT-13:00:00,280,77");
2199   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "NZST");
2200   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, 12 * 3600);
2201   g_assert (!g_time_zone_is_dst (tz, 0));
2202   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 1), ==, "NZDT");
2203   g_assert_cmpint (g_time_zone_get_offset (tz, 1), ==, 13 * 3600);
2204   g_assert (g_time_zone_is_dst (tz, 1));
2205   gdt1 = g_date_time_new (tz, 2012, 3, 18, 0, 15, 23.0);
2206   gdt2 = g_date_time_new (tz, 2012, 3, 18, 3, 15, 23.0);
2207   g_assert (g_date_time_is_daylight_savings (gdt1));
2208   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2209   g_assert (!g_date_time_is_daylight_savings (gdt2));
2210   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2211   g_date_time_unref (gdt1);
2212   g_date_time_unref (gdt2);
2213   gdt1 = g_date_time_new (tz, 2012, 10, 7, 3, 15, 23.0);
2214   gdt2 = g_date_time_new (tz, 2012, 10, 7, 1, 15, 23.0);
2215   g_assert (g_date_time_is_daylight_savings (gdt1));
2216   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2217   g_assert (!g_date_time_is_daylight_savings (gdt2));
2218   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2219   g_date_time_unref (gdt1);
2220   g_date_time_unref (gdt2);
2221   g_time_zone_unref (tz);
2222
2223   tz = g_time_zone_new ("NZST-12:00:00NZDT-13:00:00,J279,J76");
2224   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "NZST-12:00:00NZDT-13:00:00,J279,J76");
2225   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "NZST");
2226   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, 12 * 3600);
2227   g_assert (!g_time_zone_is_dst (tz, 0));
2228   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 1), ==, "NZDT");
2229   g_assert_cmpint (g_time_zone_get_offset (tz, 1), ==, 13 * 3600);
2230   g_assert (g_time_zone_is_dst (tz, 1));
2231   gdt1 = g_date_time_new (tz, 2012, 3, 18, 0, 15, 23.0);
2232   gdt2 = g_date_time_new (tz, 2012, 3, 18, 3, 15, 23.0);
2233   g_assert (g_date_time_is_daylight_savings (gdt1));
2234   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2235   g_assert (!g_date_time_is_daylight_savings (gdt2));
2236   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2237   g_date_time_unref (gdt1);
2238   g_date_time_unref (gdt2);
2239   gdt1 = g_date_time_new (tz, 2012, 10, 7, 3, 15, 23.0);
2240   gdt2 = g_date_time_new (tz, 2012, 10, 7, 1, 15, 23.0);
2241   g_assert (g_date_time_is_daylight_savings (gdt1));
2242   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2243   g_assert (!g_date_time_is_daylight_savings (gdt2));
2244   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2245   g_date_time_unref (gdt1);
2246   g_date_time_unref (gdt2);
2247   g_time_zone_unref (tz);
2248
2249   tz = g_time_zone_new ("NZST-12:00:00NZDT-13:00:00,M10.1.0/07:00,M3.3.0/07:00");
2250   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "NZST-12:00:00NZDT-13:00:00,M10.1.0/07:00,M3.3.0/07:00");
2251   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 0), ==, "NZST");
2252   g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, 12 * 3600);
2253   g_assert (!g_time_zone_is_dst (tz, 0));
2254   g_assert_cmpstr (g_time_zone_get_abbreviation (tz, 1), ==, "NZDT");
2255   g_assert_cmpint (g_time_zone_get_offset (tz, 1), ==, 13 * 3600);
2256   g_assert (g_time_zone_is_dst (tz, 1));
2257   gdt1 = g_date_time_new (tz, 2012, 3, 18, 5, 15, 23.0);
2258   gdt2 = g_date_time_new (tz, 2012, 3, 18, 8, 15, 23.0);
2259   g_assert (g_date_time_is_daylight_savings (gdt1));
2260   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2261   g_assert (!g_date_time_is_daylight_savings (gdt2));
2262   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2263   g_date_time_unref (gdt1);
2264   g_date_time_unref (gdt2);
2265   gdt1 = g_date_time_new (tz, 2012, 10, 7, 8, 15, 23.0);
2266   gdt2 = g_date_time_new (tz, 2012, 10, 7, 6, 15, 23.0);
2267   g_assert (g_date_time_is_daylight_savings (gdt1));
2268   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2269   g_assert (!g_date_time_is_daylight_savings (gdt2));
2270   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2271   g_date_time_unref (gdt1);
2272   g_date_time_unref (gdt2);
2273   gdt1 = g_date_time_new (tz, 1902, 10, 7, 8, 15, 23.0);
2274   gdt2 = g_date_time_new (tz, 1902, 10, 7, 6, 15, 23.0);
2275   g_assert (!g_date_time_is_daylight_savings (gdt1));
2276   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 43200);
2277   g_assert (!g_date_time_is_daylight_savings (gdt2));
2278   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2279   g_date_time_unref (gdt1);
2280   g_date_time_unref (gdt2);
2281   gdt1 = g_date_time_new (tz, 2142, 10, 7, 8, 15, 23.0);
2282   gdt2 = g_date_time_new (tz, 2142, 10, 7, 6, 15, 23.0);
2283   g_assert (g_date_time_is_daylight_savings (gdt1));
2284   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 46800);
2285   g_assert (!g_date_time_is_daylight_savings (gdt2));
2286   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2287   g_date_time_unref (gdt1);
2288   g_date_time_unref (gdt2);
2289   gdt1 = g_date_time_new (tz, 3212, 10, 7, 8, 15, 23.0);
2290   gdt2 = g_date_time_new (tz, 3212, 10, 7, 6, 15, 23.0);
2291   g_assert (!g_date_time_is_daylight_savings (gdt1));
2292   g_assert_cmpint (g_date_time_get_utc_offset (gdt1) / 1000000, ==, 43200);
2293   g_assert (!g_date_time_is_daylight_savings (gdt2));
2294   g_assert_cmpint (g_date_time_get_utc_offset (gdt2) / 1000000, ==, 43200);
2295   g_date_time_unref (gdt1);
2296   g_date_time_unref (gdt2);
2297   g_time_zone_unref (tz);
2298 }
2299
2300 static void
2301 test_GDateTime_floating_point (void)
2302 {
2303   GDateTime *dt;
2304   GTimeZone *tz;
2305
2306   g_test_bug ("697715");
2307
2308   tz = g_time_zone_new ("-03:00");
2309   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "-03:00");
2310   dt = g_date_time_new (tz, 2010, 5, 24,  8, 0, 1.000001);
2311   g_time_zone_unref (tz);
2312   g_assert_cmpint (g_date_time_get_microsecond (dt), ==, 1);
2313   g_date_time_unref (dt);
2314 }
2315
2316 /* Check that g_time_zone_get_identifier() returns the identifier given to
2317  * g_time_zone_new(), or "UTC" if loading the timezone failed. */
2318 static void
2319 test_identifier (void)
2320 {
2321   GTimeZone *tz;
2322   gchar *old_tz = g_strdup (g_getenv ("TZ"));
2323
2324   tz = g_time_zone_new ("UTC");
2325   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "UTC");
2326   g_time_zone_unref (tz);
2327
2328   tz = g_time_zone_new_utc ();
2329   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "UTC");
2330   g_time_zone_unref (tz);
2331
2332   tz = g_time_zone_new ("some rubbish");
2333   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "UTC");
2334   g_time_zone_unref (tz);
2335
2336   tz = g_time_zone_new ("Z");
2337   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "Z");
2338   g_time_zone_unref (tz);
2339
2340   tz = g_time_zone_new ("+03:15");
2341   g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "+03:15");
2342   g_time_zone_unref (tz);
2343
2344   /* System timezone. We can’t change this, but we can at least assert that
2345    * the identifier is non-NULL and doesn’t start with a slash. */
2346   tz = g_time_zone_new (NULL);
2347   g_assert_nonnull (g_time_zone_get_identifier (tz));
2348   g_assert_cmpstr (g_time_zone_get_identifier (tz), !=, "");
2349   g_assert_true (*g_time_zone_get_identifier (tz) != '/');
2350   g_time_zone_unref (tz);
2351
2352   /* Local timezone tests. */
2353   if (g_setenv ("TZ", "America/Recife", TRUE))
2354     {
2355       tz = g_time_zone_new_local ();
2356       g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "America/Recife");
2357       g_time_zone_unref (tz);
2358     }
2359
2360   if (g_setenv ("TZ", "some rubbish", TRUE))
2361     {
2362       tz = g_time_zone_new_local ();
2363       g_assert_cmpstr (g_time_zone_get_identifier (tz), ==, "UTC");
2364       g_time_zone_unref (tz);
2365     }
2366
2367   if (old_tz != NULL)
2368     g_assert_true (g_setenv ("TZ", old_tz, TRUE));
2369   else
2370     g_unsetenv ("TZ");
2371
2372   g_free (old_tz);
2373 }
2374
2375 /* Test various calls to g_time_zone_new_offset(). */
2376 static void
2377 test_new_offset (void)
2378 {
2379   const gint32 vectors[] =
2380     {
2381       -10000,
2382       -3600,
2383       -61,
2384       -60,
2385       -59,
2386       0,
2387       59,
2388       60,
2389       61,
2390       3600,
2391       10000,
2392     };
2393   gsize i;
2394
2395   for (i = 0; i < G_N_ELEMENTS (vectors); i++)
2396     {
2397       GTimeZone *tz = NULL;
2398
2399       g_test_message ("Vector %" G_GSIZE_FORMAT ": %d", i, vectors[i]);
2400
2401       tz = g_time_zone_new_offset (vectors[i]);
2402       g_assert_nonnull (tz);
2403       g_assert_cmpstr (g_time_zone_get_identifier (tz), !=, "UTC");
2404       g_assert_cmpint (g_time_zone_get_offset (tz, 0), ==, vectors[i]);
2405       g_time_zone_unref (tz);
2406     }
2407 }
2408
2409 gint
2410 main (gint   argc,
2411       gchar *argv[])
2412 {
2413   g_test_init (&argc, &argv, NULL);
2414   g_test_bug_base ("http://bugzilla.gnome.org/");
2415
2416   /* GDateTime Tests */
2417   bind_textdomain_codeset ("glib20", "UTF-8");
2418
2419   g_test_add_func ("/GDateTime/invalid", test_GDateTime_invalid);
2420   g_test_add_func ("/GDateTime/add_days", test_GDateTime_add_days);
2421   g_test_add_func ("/GDateTime/add_full", test_GDateTime_add_full);
2422   g_test_add_func ("/GDateTime/add_hours", test_GDateTime_add_hours);
2423   g_test_add_func ("/GDateTime/add_minutes", test_GDateTime_add_minutes);
2424   g_test_add_func ("/GDateTime/add_months", test_GDateTime_add_months);
2425   g_test_add_func ("/GDateTime/add_seconds", test_GDateTime_add_seconds);
2426   g_test_add_func ("/GDateTime/add_weeks", test_GDateTime_add_weeks);
2427   g_test_add_func ("/GDateTime/add_years", test_GDateTime_add_years);
2428   g_test_add_func ("/GDateTime/compare", test_GDateTime_compare);
2429   g_test_add_func ("/GDateTime/diff", test_GDateTime_diff);
2430   g_test_add_func ("/GDateTime/equal", test_GDateTime_equal);
2431   g_test_add_func ("/GDateTime/get_day_of_week", test_GDateTime_get_day_of_week);
2432   g_test_add_func ("/GDateTime/get_day_of_month", test_GDateTime_get_day_of_month);
2433   g_test_add_func ("/GDateTime/get_day_of_year", test_GDateTime_get_day_of_year);
2434   g_test_add_func ("/GDateTime/get_hour", test_GDateTime_get_hour);
2435   g_test_add_func ("/GDateTime/get_microsecond", test_GDateTime_get_microsecond);
2436   g_test_add_func ("/GDateTime/get_minute", test_GDateTime_get_minute);
2437   g_test_add_func ("/GDateTime/get_month", test_GDateTime_get_month);
2438   g_test_add_func ("/GDateTime/get_second", test_GDateTime_get_second);
2439   g_test_add_func ("/GDateTime/get_utc_offset", test_GDateTime_get_utc_offset);
2440   g_test_add_func ("/GDateTime/get_year", test_GDateTime_get_year);
2441   g_test_add_func ("/GDateTime/hash", test_GDateTime_hash);
2442   g_test_add_func ("/GDateTime/new_from_unix", test_GDateTime_new_from_unix);
2443   g_test_add_func ("/GDateTime/new_from_unix_utc", test_GDateTime_new_from_unix_utc);
2444   g_test_add_func ("/GDateTime/new_from_unix/overflow", test_GDateTime_new_from_unix_overflow);
2445   g_test_add_func ("/GDateTime/new_from_timeval", test_GDateTime_new_from_timeval);
2446   g_test_add_func ("/GDateTime/new_from_timeval_utc", test_GDateTime_new_from_timeval_utc);
2447   g_test_add_func ("/GDateTime/new_from_timeval/overflow", test_GDateTime_new_from_timeval_overflow);
2448   g_test_add_func ("/GDateTime/new_from_iso8601", test_GDateTime_new_from_iso8601);
2449   g_test_add_func ("/GDateTime/new_full", test_GDateTime_new_full);
2450   g_test_add_func ("/GDateTime/now", test_GDateTime_now);
2451   g_test_add_func ("/GDateTime/printf", test_GDateTime_printf);
2452   g_test_add_func ("/GDateTime/non_utf8_printf", test_non_utf8_printf);
2453   g_test_add_func ("/GDateTime/strftime", test_strftime);
2454   g_test_add_func ("/GDateTime/strftime/error_handling", test_GDateTime_strftime_error_handling);
2455   g_test_add_func ("/GDateTime/modifiers", test_modifiers);
2456   g_test_add_func ("/GDateTime/month_names", test_month_names);
2457   g_test_add_func ("/GDateTime/to_local", test_GDateTime_to_local);
2458   g_test_add_func ("/GDateTime/to_unix", test_GDateTime_to_unix);
2459   g_test_add_func ("/GDateTime/to_timeval", test_GDateTime_to_timeval);
2460   g_test_add_func ("/GDateTime/to_utc", test_GDateTime_to_utc);
2461   g_test_add_func ("/GDateTime/now_utc", test_GDateTime_now_utc);
2462   g_test_add_func ("/GDateTime/dst", test_GDateTime_dst);
2463   g_test_add_func ("/GDateTime/test_z", test_z);
2464   g_test_add_func ("/GDateTime/test-all-dates", test_all_dates);
2465   g_test_add_func ("/GTimeZone/find-interval", test_find_interval);
2466   g_test_add_func ("/GTimeZone/adjust-time", test_adjust_time);
2467   g_test_add_func ("/GTimeZone/no-header", test_no_header);
2468   g_test_add_func ("/GTimeZone/posix-parse", test_posix_parse);
2469   g_test_add_func ("/GTimeZone/floating-point", test_GDateTime_floating_point);
2470   g_test_add_func ("/GTimeZone/identifier", test_identifier);
2471   g_test_add_func ("/GTimeZone/new-offset", test_new_offset);
2472
2473   return g_test_run ();
2474 }