time/tst-mktime3.c

   1 /* Test program for mktime bugs with out-of-range tm_sec values.  */
   2
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <time.h>
   6
   7 struct tm tests[] =
   8 {
   9   { .tm_sec = -1, .tm_mday = 1, .tm_year = 104 },
  10   { .tm_sec = 65, .tm_min = 59, .tm_hour = 23, .tm_mday = 31,
  11     .tm_mon = 11, .tm_year = 101 }
  12 };
  13 struct tm expected[] =
  14 {
  15   { .tm_sec = 59, .tm_min = 59, .tm_hour = 23, .tm_mday = 31,
  16     .tm_mon = 11, .tm_year = 103, .tm_wday = 3, .tm_yday = 364 },
  17   { .tm_sec = 5, .tm_mday = 1, .tm_year = 102, .tm_wday = 2 }
  18 };
  19
  20 int
  21 main (void)
  22 {
  23   setenv ("TZ", "UTC", 1);
  24   int i;
  25   for (i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
  26     {
  27       if (mktime (&tests[i]) < 0)
  28         {
  29           printf ("mktime %d failed\n", i);
  30           return 1;
  31         }
  32 #define CHECK(name) \
  33       if (tests[i].name != expected[i].name)                    \
  34         {                                                       \
  35           printf ("test %d " #name " got %d expected %d\n",     \
  36                   i, tests[i].name, expected[i].name);          \
  37           return 1;                                             \
  38         }
  39       CHECK (tm_sec)
  40       CHECK (tm_min)
  41       CHECK (tm_hour)
  42       CHECK (tm_mday)
  43       CHECK (tm_mon)
  44       CHECK (tm_year)
  45       CHECK (tm_wday)
  46       CHECK (tm_yday)
  47       CHECK (tm_isdst)
  48     }
  49   return 0;
  50 }