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
 170       if (discontinuity)
 171         g_print(" (Break in sequence of requested years to check)\n");
 172
 173       g_print("Checking year %u", y);
 174
 175       TEST("Year is valid", g_date_valid_year(y));
 176
 177       TEST("Number of Sunday weeks in year is 52 or 53",
 178            sunday_weeks_in_year == 52 || sunday_weeks_in_year == 53);
 179
 180       TEST("Number of Monday weeks in year is 52 or 53",
 181            monday_weeks_in_year == 52 || monday_weeks_in_year == 53);
 182
 183       m = 1;
 184       while (m < 13)
 185         {
 186           guint8 dim = g_date_get_days_in_month(m,y);
 187           GDate days[31];         /* This is the fast way, no allocation */
 188
 189           TEST("Sensible number of days in month", (dim > 0 && dim < 32));
 190
 191           TEST("Month between 1 and 12 is valid", g_date_valid_month(m));
 192
 193           day = 1;
 194
 195           g_date_clear(days, 31);
 196
 197           while (day <= dim)
 198             {
 199               guint i;
 200               GDate tmp;
 201
 202               TEST("DMY triplet is valid", g_date_valid_dmy(day,m,y));
 203
 204               /* Create GDate with triplet */
 205
 206               d = &days[day-1];
 207
 208               TEST("Cleared day is invalid", !g_date_valid(d));
 209
 210               g_date_set_dmy(d,day,m,y);
 211
 212               TEST("Set day is valid", g_date_valid(d));
 213
 214               if (m == G_DATE_JANUARY && day == 1)
 215                 {
 216                   first_day_of_year = g_date_get_julian(d);
 217                 }
 218
 219               g_assert(first_day_of_year != G_DATE_BAD_JULIAN);
 220
 221               TEST("Date with DMY triplet is valid", g_date_valid(d));
 222               TEST("Month accessor works", g_date_get_month(d) == m);
 223               TEST("Year accessor works", g_date_get_year(d) == y);
 224               TEST("Day of month accessor works", g_date_get_day(d) == day);
 225
 226               TEST("Day of year is consistent with Julian dates",
 227                    ((g_date_get_julian(d) + 1 - first_day_of_year) ==
 228                     (g_date_get_day_of_year(d))));
 229
 230               if (failed)
 231                 {
 232                   g_print("first day: %u this day: %u day of year: %u\n",
 233                           first_day_of_year,
 234                           g_date_get_julian(d),
 235                           g_date_get_day_of_year(d));
 236                 }
 237
 238               if (m == G_DATE_DECEMBER && day == 31)
 239                 {
 240                   TEST("Last day of year equals number of days in year",
 241                        g_date_get_day_of_year(d) == days_in_year);
 242                   if (failed)
 243                     {
 244                       g_print("last day: %u days in year: %u\n",
 245                               g_date_get_day_of_year(d), days_in_year);
 246                     }
 247                 }
 248
 249               TEST("Day of year is not more than number of days in the year",
 250                    g_date_get_day_of_year(d) <= days_in_year);
 251
 252               TEST("Monday week of year is not more than number of weeks in the year",
 253                    g_date_get_monday_week_of_year(d) <= monday_weeks_in_year);
 254               if (failed)
 255                 {
 256                   g_print("Weeks in year: %u\n", monday_weeks_in_year);
 257                   g_date_debug_print(d);
 258                 }
 259               TEST("Monday week of year is >= than last week of year",
 260                    g_date_get_monday_week_of_year(d) >= monday_week_of_year);
 261
 262               if (g_date_get_weekday(d) == G_DATE_MONDAY)
 263                 {
 264
 265                   TEST("Monday week of year on Monday 1 more than previous day's week of year",
 266                        (g_date_get_monday_week_of_year(d) - monday_week_of_year) == 1);
 267                 }
 268               else
 269                 {
 270                   TEST("Monday week of year on non-Monday 0 more than previous day's week of year",
 271                        (g_date_get_monday_week_of_year(d) - monday_week_of_year) == 0);
 272                 }
 273
 274
 275               monday_week_of_year = g_date_get_monday_week_of_year(d);
 276
 277
 278               TEST("Sunday week of year is not more than number of weeks in the year",
 279                    g_date_get_sunday_week_of_year(d) <= sunday_weeks_in_year);
 280               if (failed)
 281                 {
 282                   g_date_debug_print(d);
 283                 }
 284               TEST("Sunday week of year is >= than last week of year",
 285                    g_date_get_sunday_week_of_year(d) >= sunday_week_of_year);
 286
 287               if (g_date_get_weekday(d) == G_DATE_SUNDAY)
 288                 {
 289                   TEST("Sunday week of year on Sunday 1 more than previous day's week of year",
 290                        (g_date_get_sunday_week_of_year(d) - sunday_week_of_year) == 1);
 291                 }
 292               else
 293                 {
 294                   TEST("Sunday week of year on non-Sunday 0 more than previous day's week of year",
 295                        (g_date_get_sunday_week_of_year(d) - sunday_week_of_year) == 0);
 296                 }
 297
 298               sunday_week_of_year = g_date_get_sunday_week_of_year(d);
 299
 300               TEST("Date is equal to itself",
 301                    g_date_compare(d,d) == 0);
 302
 303
 304               /*************** Increments ***********/
 305
 306               i = 1;
 307               while (i < 402) /* Need to get 400 year increments in */
 308                 {
 309
 310                   /***** Days ******/
 311                   tmp = *d;
 312                   g_date_add_days(d, i);
 313
 314                   TEST("Adding days gives a value greater than previous",
 315                        g_date_compare(d, &tmp) > 0);
 316
 317                   g_date_subtract_days(d, i);
 318                   TEST("Forward days then backward days returns us to current day",
 319                        g_date_get_day(d) == day);
 320
 321                   if (failed)
 322                     {
 323                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 324                       g_date_debug_print(d);
 325                     }
 326
 327                   TEST("Forward days then backward days returns us to current month",
 328                        g_date_get_month(d) == m);
 329
 330                   if (failed)
 331                     {
 332                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 333                       g_date_debug_print(d);
 334                     }
 335
 336                   TEST("Forward days then backward days returns us to current year",
 337                        g_date_get_year(d) == y);
 338
 339                   if (failed)
 340                     {
 341                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 342                       g_date_debug_print(d);
 343                     }
 344
 345                   /******* Months ********/
 346
 347                   tmp = *d;
 348                   g_date_add_months(d, i);
 349                   TEST("Adding months gives a larger value",
 350                        g_date_compare(d, &tmp) > 0);
 351                   g_date_subtract_months(d, i);
 352
 353                   TEST("Forward months then backward months returns us to current month",
 354                        g_date_get_month(d) == m);
 355
 356                   if (failed)
 357                     {
 358                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 359                       g_date_debug_print(d);
 360                     }
 361
 362                   TEST("Forward months then backward months returns us to current year",
 363                        g_date_get_year(d) == y);
 364
 365                   if (failed)
 366                     {
 367                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 368                       g_date_debug_print(d);
 369                     }
 370
 371
 372                   if (day < 29)
 373                     {
 374                       /* Day should be unchanged */
 375
 376                       TEST("Forward months then backward months returns us to current day",
 377                            g_date_get_day(d) == day);
 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                   else
 386                     {
 387                       /* reset the day for later tests */
 388                       g_date_set_day(d, day);
 389                     }
 390
 391                   /******* Years ********/
 392
 393                   tmp = *d;
 394                   g_date_add_years(d, i);
 395
 396                   TEST("Adding years gives a larger value",
 397                        g_date_compare(d,&tmp) > 0);
 398
 399                   g_date_subtract_years(d, i);
 400
 401                   TEST("Forward years then backward years returns us to current month",
 402                        g_date_get_month(d) == m);
 403
 404                   if (failed)
 405                     {
 406                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 407                       g_date_debug_print(d);
 408                     }
 409
 410                   TEST("Forward years then backward years returns us to current year",
 411                        g_date_get_year(d) == y);
 412
 413                   if (failed)
 414                     {
 415                       g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 416                       g_date_debug_print(d);
 417                     }
 418
 419                   if (m != 2 && day != 29)
 420                     {
 421                       TEST("Forward years then backward years returns us to current day",
 422                            g_date_get_day(d) == day);
 423
 424                       if (failed)
 425                         {
 426                           g_print("  (increment %u, dmy %u %u %u) ", i, day, m, y);
 427                           g_date_debug_print(d);
 428                         }
 429                     }
 430                   else
 431                     {
 432                       g_date_set_day(d, day); /* reset */
 433                     }
 434
 435                   i += 10;
 436                 }
 437
 438               /*****  increment test relative to our local Julian count */
 439
 440               if (!discontinuity) {
 441
 442                 /* We can only run sequence tests between sequential years */
 443
 444                 TEST("Julians are sequential with increment 1",
 445                      j+1 == g_date_get_julian(d));
 446                 if (failed)
 447                   {
 448                     g_print("Out of sequence, prev: %u expected: %u got: %u\n",
 449                             j, j+1, g_date_get_julian(d));
 450                   }
 451
 452                 g_date_add_days(d,1);
 453                 TEST("Next day has julian 1 higher",
 454                      g_date_get_julian(d) == j + 2);
 455                 g_date_subtract_days(d, 1);
 456
 457                 if (j != G_DATE_BAD_JULIAN)
 458                   {
 459                     g_date_subtract_days(d, 1);
 460
 461                     TEST("Previous day has julian 1 lower",
 462                          g_date_get_julian(d) == j);
 463
 464                     g_date_add_days(d, 1); /* back to original */
 465                   }
 466               }
 467               discontinuity = FALSE; /* goes away now */
 468
 469               fflush(stdout);
 470               fflush(stderr);
 471
 472               j = g_date_get_julian(d); /* inc current julian */
 473
 474               ++day;
 475             }
 476           ++m;
 477         }
 478       g_print(" done\n");
 479       ++i;
 480       prev_y = y;
 481       y = check_years[i];
 482       if (prev_y == G_DATE_BAD_YEAR ||
 483           (prev_y + 1) != y) discontinuity = TRUE;
 484     }
 485
 486
 487   g_print("\n%u tests passed, %u failed\n",passed, notpassed);
 488
 489   return 0;
 490 }
 491
 492