tests/testgdate.c

   1 #undef G_DISABLE_ASSERT
   2 #undef G_LOG_DOMAIN
   3
   4 #ifdef GLIB_COMPILATION
   5 #undef GLIB_COMPILATION
   6 #endif
   7
   8 #include "glib.h"
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <locale.h>
  13 #include <time.h>
  14
  15 gboolean failed = FALSE;
  16 guint32 passed = 0;
  17 guint32 notpassed = 0;
  18
  19 #define TEST(m,cond)    G_STMT_START { failed = !(cond); \
  20 if (failed) \
  21   { ++notpassed; \
  22     if (!m) \
  23       g_print ("\n(%s:%d) failed for: %s\n", __FILE__, __LINE__, ( # cond )); \
  24     else \
  25       g_print ("\n(%s:%d) failed for: %s: (%s)\n", __FILE__, __LINE__, ( # cond ), (gchar*)m); \
  26   } \
  27 else \
  28   ++passed;    \
  29   if ((passed+notpassed) % 10000 == 0) g_print ("."); fflush (stdout); \
  30 } G_STMT_END
  31
  32 void g_date_debug_print(GDate* d)
  33 {
  34   if (!d) g_print("NULL!\n");
  35   else
  36     g_print("julian: %u (%s) DMY: %u %u %u (%s)\n",
  37             d->julian_days,
  38             d->julian ? "valid" : "invalid",
  39             d->day,
  40             d->month,
  41             d->year,
  42             d->dmy ? "valid" : "invalid");
  43
  44   fflush(stdout);
  45 }
  46
  47 int main(int argc, char** argv)
  48 {
  49   GDate* d;
  50   guint32 j;
  51   GDateMonth m;
  52   GDateYear y, prev_y;
  53   GDateDay day;
  54   gchar buf[101];
  55   gchar* loc;
  56   /* Try to get all the leap year cases. */
  57   GDateYear check_years[] = {
  58     1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
  59     11, 12, 13, 14, 98, 99, 100, 101, 102, 103, 397,
  60     398, 399, 400, 401, 402, 403, 404, 405, 406,
  61     1598, 1599, 1600, 1601, 1602, 1650, 1651,
  62     1897, 1898, 1899, 1900, 1901, 1902, 1903,
  63     1961, 1962, 1963, 1964, 1965, 1967,
  64     1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976,
  65     1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,
  66     1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
  67     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
  68     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
  69     3000, 3001, 3002, 3998, 3999, 4000, 4001, 4002, 4003
  70   };
  71   guint n_check_years = sizeof(check_years)/sizeof(GDateYear);
  72   guint i;
  73   gboolean discontinuity;
  74
  75   g_print("checking GDate...");
  76
  77   TEST("sizeof(GDate) is not more than 8 bytes on this platform", sizeof(GDate) < 9);
  78
  79   d = g_date_new();
  80
  81   TEST("Empty constructor produces invalid date", !g_date_valid(d));
  82
  83   g_date_free(d);
  84
  85   d = g_date_new_dmy(1,1,1);
  86
  87   TEST("January 1, Year 1 created and valid", g_date_valid(d));
  88
  89   j = g_date_get_julian(d);
  90
  91   TEST("January 1, Year 1 is Julian date 1", j == 1);
  92
  93   TEST("Returned month is January", g_date_get_month(d) == G_DATE_JANUARY);
  94   TEST("Returned day is 1", g_date_get_day(d) == 1);
  95   TEST("Returned year is 1", g_date_get_year(d) == 1);
  96
  97   TEST("Bad month is invalid", !g_date_valid_month(G_DATE_BAD_MONTH));
  98   TEST("Month 13 is invalid",  !g_date_valid_month(13));
  99   TEST("Bad day is invalid",   !g_date_valid_day(G_DATE_BAD_DAY));
 100   TEST("Day 32 is invalid",     !g_date_valid_day(32));
 101   TEST("Bad year is invalid",  !g_date_valid_year(G_DATE_BAD_YEAR));
 102   TEST("Bad julian is invalid", !g_date_valid_julian(G_DATE_BAD_JULIAN));
 103   TEST("Bad weekday is invalid", !g_date_valid_weekday(G_DATE_BAD_WEEKDAY));
 104   TEST("Year 2000 is a leap year", g_date_is_leap_year(2000));
 105   TEST("Year 1999 is not a leap year", !g_date_is_leap_year(1999));
 106   TEST("Year 1996 is a leap year", g_date_is_leap_year(1996));
 107   TEST("Year 1600 is a leap year", g_date_is_leap_year(1600));
 108   TEST("Year 2100 is not a leap year", !g_date_is_leap_year(2100));
 109   TEST("Year 1800 is not a leap year", !g_date_is_leap_year(1800));
 110
 111   g_date_free(d);
 112
 113   loc = setlocale(LC_ALL,"");
 114   if (loc)
 115     g_print("\nLocale set to %s\n", loc);
 116   else
 117     g_print("\nLocale unchanged\n");
 118
 119   d = g_date_new();
 120   g_date_set_time(d, time(NULL));
 121   TEST("Today is valid", g_date_valid(d));
 122
 123   g_date_strftime(buf,100,"Today is a %A, %x\n", d);
 124   g_print("%s", buf);
 125
 126   g_date_set_time(d, 1);
 127   TEST("Beginning of Unix epoch is valid", g_date_valid(d));
 128
 129   g_date_strftime(buf,100,"1 second into the Unix epoch it was a %A, in the month of %B, %x\n", d);
 130   g_print("%s", buf);
 131
 132   g_date_set_julian(d, 1);
 133   TEST("GDate's \"Julian\" epoch's first day is valid", g_date_valid(d));
 134
 135   g_date_strftime(buf,100,"Our \"Julian\" epoch begins on a %A, in the month of %B, %x\n",
 136                   d);
 137   g_print("%s", buf);
 138
 139   g_date_set_dmy(d, 10, 1, 2000);
 140
 141   g_date_strftime(buf,100,"%x", d);
 142
 143   g_date_set_parse(d, buf);
 144   /* Note: this test will hopefully work, but no promises. */
 145   TEST("Successfully parsed a %x-formatted string",
 146        g_date_valid(d) &&
 147        g_date_get_month(d) == 1 &&
 148        g_date_get_day(d) == 10 &&
 149        g_date_get_year(d) == 2000);
 150   if (failed)
 151     g_date_debug_print(d);
 152
 153   g_date_free(d);
 154
 155   j = G_DATE_BAD_JULIAN;
 156
 157   i = 0;
 158   discontinuity = TRUE;
 159   y      = check_years[0];
 160   prev_y = G_DATE_BAD_YEAR;
 161   while (i < n_check_years)
 162     {
 163       guint32 first_day_of_year = G_DATE_BAD_JULIAN;
 164       guint16 days_in_year = g_date_is_leap_year(y) ? 366 : 365;
 165       guint   sunday_week_of_year = 0;
 166       guint   sunday_weeks_in_year = g_date_get_sunday_weeks_in_year(y);
 167       guint   monday_week_of_year = 0;
 168       guint   monday_weeks_in_year = g_date_get_monday_weeks_in_year(y);
 169       guint   iso8601_week_of_year = 0;
 170
 171       if (discontinuity)
 172         g_print(" (Break in sequence of requested years to check)\n");
 173
 174       g_print("Checking year %u", y);
 175
 176       TEST("Year is valid", g_date_valid_year(y));
 177
 178       TEST("Number of Sunday weeks in year is 52 or 53",
 179            sunday_weeks_in_year == 52 || sunday_weeks_in_year == 53);
 180
 181       TEST("Number of Monday weeks in year is 52 or 53",
 182            monday_weeks_in_year == 52 || monday_weeks_in_year == 53);
 183
 184       m = 1;
 185       while (m < 13)
 186         {
 187           guint8 dim = g_date_get_days_in_month(m,y);
 188           GDate days[31];         /* This is the fast way, no allocation */
 189
 190           TEST("Sensible number of days in month", (dim > 0 && dim < 32));
 191
 192           TEST("Month between 1 and 12 is valid", g_date_valid_month(m));
 193
 194           day = 1;
 195
 196           g_date_clear(days, 31);
 197
 198           while (day <= dim)
 199             {
 200               guint i;
 201               GDate tmp;
 202
 203               TEST("DMY triplet is valid", g_date_valid_dmy(day,m,y));
 204
 205               /* Create GDate with triplet */
 206
 207               d = &days[day-1];
 208
 209               TEST("Cleared day is invalid", !g_date_valid(d));
 210
 211               g_date_set_dmy(d,day,m,y);
 212
 213               TEST("Set day is valid", g_date_valid(d));
 214
 215               if (m == G_DATE_JANUARY && day == 1)
 216                 {
 217                   first_day_of_year = g_date_get_julian(d);
 218                 }
 219
 220               g_assert(first_day_of_year != G_DATE_BAD_JULIAN);
 221
 222               TEST("Date with DMY triplet is valid", g_date_valid(d));
 223               TEST("Month accessor works", g_date_get_month(d) == m);
 224               TEST("Year accessor works", g_date_get_year(d) == y);
 225               TEST("Day of month accessor works", g_date_get_day(d) == day);
 226
 227               TEST("Day of year is consistent with Julian dates",
 228                    ((g_date_get_julian(d) + 1 - first_day_of_year) ==
 229                     (g_date_get_day_of_year(d))));
 230
 231               if (failed)
 232                 {
 233                   g_print("first day: %u this day: %u day of year: %u\n",
 234                           first_day_of_year,
 235                           g_date_get_julian(d),
 236                           g_date_get_day_of_year(d));
 237                 }
 238
 239               if (m == G_DATE_DECEMBER && day == 31)
 240                 {
 241                   TEST("Last day of year equals number of days in year",
 242                        g_date_get_day_of_year(d) == days_in_year);
 243                   if (failed)
 244                     {
 245                       g_print("last day: %u days in year: %u\n",
 246                               g_date_get_day_of_year(d), days_in_year);
 247                     }
 248                 }
 249
 250               TEST("Day of year is not more than number of days in the year",
 251                    g_date_get_day_of_year(d) <= days_in_year);
 252
 253               TEST("Monday week of year is not more than number of weeks in the year",
 254                    g_date_get_monday_week_of_year(d) <= monday_weeks_in_year);
 255               if (failed)
 256                 {
 257                   g_print("Weeks in year: %u\n", monday_weeks_in_year);
 258                   g_date_debug_print(d);
 259                 }
 260               TEST("Monday week of year is >= than last week of year",
 261                    g_date_get_monday_week_of_year(d) >= monday_week_of_year);
 262
 263               if (g_date_get_weekday(d) == G_DATE_MONDAY)
 264                 {
 265
 266                   TEST("Monday week of year on Monday 1 more than previous day's week of year",
 267                        (g_date_get_monday_week_of_year(d) - monday_week_of_year) == 1);
 268                   if ((m == G_DATE_JANUARY && day <= 4) ||
 269                       (m == G_DATE_DECEMBER && day >= 29)) {
 270                     TEST("ISO 8601 week of year on Monday Dec 29 - Jan 4 is 1",
 271                          (g_date_get_iso8601_week_of_year(d) == 1));
 272                   } else {
 273                     TEST("ISO 8601 week of year on Monday 1 more than previous day's week of year",
 274                          (g_date_get_iso8601_week_of_year(d) - iso8601_week_of_year) == 1);
 275                   }
 276                 }
 277               else
 278                 {
 279                   TEST("Monday week of year on non-Monday 0 more than previous day's week of year",
 280                        (g_date_get_monday_week_of_year(d) - monday_week_of_year) == 0);
 281                   if (!(day == 1 && m == G_DATE_JANUARY)) {
 282                     TEST("ISO 8601 week of year on non-Monday 0 more than previous day's week of year (",
 283                          (g_date_get_iso8601_week_of_year(d) - iso8601_week_of_year) == 0);
 284                   }
 285                 }
 286
 287
 288               monday_week_of_year = g_date_get_monday_week_of_year(d);
 289               iso8601_week_of_year = g_date_get_iso8601_week_of_year(d);
 290
 291
 292               TEST("Sunday week of year is not more than number of weeks in the year",
 293                    g_date_get_sunday_week_of_year(d) <= sunday_weeks_in_year);
 294               if (failed)
 295                 {
 296                   g_date_debug_print(d);
 297                 }
 298               TEST("Sunday week of year is >= than last week of year",
 299                    g_date_get_sunday_week_of_year(d) >= sunday_week_of_year);
 300
 301               if (g_date_get_weekday(d) == G_DATE_SUNDAY)
 302                 {
 303                   TEST("Sunday week of year on Sunday 1 more than previous day's week of year",
 304                        (g_date_get_sunday_week_of_year(d) - sunday_week_of_year) == 1);
 305                 }
 306               else
 307                 {
 308                   TEST("Sunday week of year on non-Sunday 0 more than previous day's week of year",
 309                        (g_date_get_sunday_week_of_year(d) - sunday_week_of_year) == 0);
 310                 }
 311
 312               sunday_week_of_year = g_date_get_sunday_week_of_year(d);
 313
 314               TEST("Date is equal to itself",
 315                    g_date_compare(d,d) == 0);
 316
 317
 318               /*************** Increments ***********/
 319
 320               i = 1;
 321               while (i < 402) /* Need to get 400 year increments in */
 322                 {
 323
 324                   /***** Days ******/
 325                   tmp = *d;
 326                   g_date_add_days(d, i);
 327
 328                   TEST("Adding days gives a value greater than previous",
 329                        g_date_compare(d, &tmp) > 0);
 330
 331                   g_date_subtract_days(d, i);
 332                   TEST("Forward days then backward days returns us to current day",
 333                        g_date_get_day(d) == day);
 334
 335                   if (failed)
 336                     {
 337                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 338                       g_date_debug_print(d);
 339                     }
 340
 341                   TEST("Forward days then backward days returns us to current month",
 342                        g_date_get_month(d) == m);
 343
 344                   if (failed)
 345                     {
 346                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 347                       g_date_debug_print(d);
 348                     }
 349
 350                   TEST("Forward days then backward days returns us to current year",
 351                        g_date_get_year(d) == y);
 352
 353                   if (failed)
 354                     {
 355                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 356                       g_date_debug_print(d);
 357                     }
 358
 359                   /******* Months ********/
 360
 361                   tmp = *d;
 362                   g_date_add_months(d, i);
 363                   TEST("Adding months gives a larger value",
 364                        g_date_compare(d, &tmp) > 0);
 365                   g_date_subtract_months(d, i);
 366
 367                   TEST("Forward months then backward months returns us to current month",
 368                        g_date_get_month(d) == m);
 369
 370                   if (failed)
 371                     {
 372                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 373                       g_date_debug_print(d);
 374                     }
 375
 376                   TEST("Forward months then backward months returns us to current year",
 377                        g_date_get_year(d) == y);
 378
 379                   if (failed)
 380                     {
 381                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 382                       g_date_debug_print(d);
 383                     }
 384
 385
 386                   if (day < 29)
 387                     {
 388                       /* Day should be unchanged */
 389
 390                       TEST("Forward months then backward months returns us to current day",
 391                            g_date_get_day(d) == day);
 392
 393                       if (failed)
 394                         {
 395                           g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 396                           g_date_debug_print(d);
 397                         }
 398                     }
 399                   else
 400                     {
 401                       /* reset the day for later tests */
 402                       g_date_set_day(d, day);
 403                     }
 404
 405                   /******* Years ********/
 406
 407                   tmp = *d;
 408                   g_date_add_years(d, i);
 409
 410                   TEST("Adding years gives a larger value",
 411                        g_date_compare(d,&tmp) > 0);
 412
 413                   g_date_subtract_years(d, i);
 414
 415                   TEST("Forward years then backward years returns us to current month",
 416                        g_date_get_month(d) == m);
 417
 418                   if (failed)
 419                     {
 420                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 421                       g_date_debug_print(d);
 422                     }
 423
 424                   TEST("Forward years then backward years returns us to current year",
 425                        g_date_get_year(d) == y);
 426
 427                   if (failed)
 428                     {
 429                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 430                       g_date_debug_print(d);
 431                     }
 432
 433                   if (m != 2 && day != 29)
 434                     {
 435                       TEST("Forward years then backward years returns us to current day",
 436                            g_date_get_day(d) == day);
 437
 438                       if (failed)
 439                         {
 440                           g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 441                           g_date_debug_print(d);
 442                         }
 443                     }
 444                   else
 445                     {
 446                       g_date_set_day(d, day); /* reset */
 447                     }
 448
 449                   i += 10;
 450                 }
 451
 452               /*****  increment test relative to our local Julian count */
 453
 454               if (!discontinuity) {
 455
 456                 /* We can only run sequence tests between sequential years */
 457
 458                 TEST("Julians are sequential with increment 1",
 459                      j+1 == g_date_get_julian(d));
 460                 if (failed)
 461                   {
 462                     g_print("Out of sequence, prev: %u expected: %u got: %u\n",
 463                             j, j+1, g_date_get_julian(d));
 464                   }
 465
 466                 g_date_add_days(d,1);
 467                 TEST("Next day has julian 1 higher",
 468                      g_date_get_julian(d) == j + 2);
 469                 g_date_subtract_days(d, 1);
 470
 471                 if (j != G_DATE_BAD_JULIAN)
 472                   {
 473                     g_date_subtract_days(d, 1);
 474
 475                     TEST("Previous day has julian 1 lower",
 476                          g_date_get_julian(d) == j);
 477
 478                     g_date_add_days(d, 1); /* back to original */
 479                   }
 480               }
 481               discontinuity = FALSE; /* goes away now */
 482
 483               fflush(stdout);
 484               fflush(stderr);
 485
 486               j = g_date_get_julian(d); /* inc current julian */
 487
 488               ++day;
 489             }
 490           ++m;
 491         }
 492       g_print(" done\n");
 493       ++i;
 494       prev_y = y;
 495       y = check_years[i];
 496       if (prev_y == G_DATE_BAD_YEAR ||
 497           (prev_y + 1) != y) discontinuity = TRUE;
 498     }
 499
 500
 501   g_print("\n%u tests passed, %u failed\n",passed, notpassed);
 502
 503   return 0;
 504 }
 505
 506