git.ozlabs.org Git - ccan/blob - ccan/timer/test/run-corrupt.c

   1 #define CCAN_TIMER_DEBUG 1
   2 #include <ccan/timer/timer.h>
   3 /* Include the C files directly. */
   4 #include <ccan/timer/timer.c>
   5 #include <ccan/tap/tap.h>
   6
   7 static void new_timer(struct timers *timers, unsigned long nsec)
   8 {
   9         struct timer *timer;
  10         struct timemono when;
  11
  12         timer = malloc(sizeof(*timer));
  13         timer_init(timer);
  14         when.ts.tv_sec = 0; when.ts.tv_nsec = nsec;
  15         timer_addmono(timers, timer, when);
  16 }
  17
  18 static void update_and_expire(struct timers *timers)
  19 {
  20         struct timemono when;
  21
  22         timer_earliest(timers, &when);
  23         free(timers_expire(timers, when));
  24 }
  25
  26 int main(int argc, char *argv[])
  27 {
  28         struct timemono when;
  29         struct timers timers;
  30
  31         plan_tests(7);
  32
  33         when.ts.tv_sec = 0; when.ts.tv_nsec = 0;
  34         timers_init(&timers, when);
  35
  36         /* Add these */
  37         new_timer(&timers, 35000000);
  38         new_timer(&timers, 38000000);
  39         new_timer(&timers, 59000000);
  40         new_timer(&timers, 65000000);
  41         new_timer(&timers, 88000000);
  42         new_timer(&timers, 125000000);
  43         new_timer(&timers, 130000000);
  44         new_timer(&timers, 152000000);
  45         new_timer(&timers, 168000000);
  46         /* Expire all but the last one. */
  47         update_and_expire(&timers);
  48         update_and_expire(&timers);
  49         update_and_expire(&timers);
  50         update_and_expire(&timers);
  51         update_and_expire(&timers);
  52         update_and_expire(&timers);
  53         update_and_expire(&timers);
  54         update_and_expire(&timers);
  55         /* Add a new one. */
  56         new_timer(&timers, 169000000);
  57         ok1(timers_check(&timers, NULL));
  58
  59         /* Used to get the wrong one... */
  60         timers_dump(&timers, stdout);
  61         ok1(timer_earliest(&timers, &when));
  62         ok1(when.ts.tv_nsec == 168000000);
  63         free(timers_expire(&timers, when));
  64
  65         ok1(timer_earliest(&timers, &when));
  66         ok1(when.ts.tv_nsec == 169000000);
  67         free(timers_expire(&timers, when));
  68
  69         ok1(timers_check(&timers, NULL));
  70         ok1(!timer_earliest(&timers, &when));
  71         timers_cleanup(&timers);
  72
  73         return exit_status();
  74 }