release/src/router/glib/testgdate.c

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