1 #include <ccan/timer/timer.h>
2 /* Include the C files directly. */
3 #include <ccan/timer/timer.c>
4 #include <ccan/tap/tap.h>
6 static struct timeabs timeabs_from_nsec(unsigned long long nsec)
8 struct timeabs epoch = { { 0, 0 } };
9 return timeabs_add(epoch, time_from_nsec(nsec));
16 struct list_head expired;
17 struct timeabs earliest;
19 struct timeabs epoch = { { 0, 0 } };
21 /* This is how many tests you plan to run */
24 timers_init(&timers, epoch);
25 ok1(timers_check(&timers, NULL));
26 ok1(!timer_earliest(&timers, &earliest));
28 timer_add(&timers, &t[0], timeabs_from_nsec(1));
29 ok1(timers_check(&timers, NULL));
30 ok1(timer_earliest(&timers, &earliest));
31 ok1(timeabs_eq(earliest, grains_to_time(t[0].time)));
32 timer_del(&timers, &t[0]);
33 ok1(timers_check(&timers, NULL));
34 ok1(!timer_earliest(&timers, &earliest));
36 /* Check timer ordering. */
37 for (i = 0; i < 32; i++) {
38 timer_add(&timers, &t[i*2], timeabs_from_nsec(1ULL << i));
39 ok1(timers_check(&timers, NULL));
40 timer_add(&timers, &t[i*2+1], timeabs_from_nsec((1ULL << i) + 1));
41 ok1(timers_check(&timers, NULL));
44 for (i = 0; i < 32; i++) {
45 const struct timer *t1, *t2;
47 t1 = get_first(&timers);
48 ok1(t1 == &t[i*2] || t1 == &t[i*2+1]);
49 timer_del(&timers, (struct timer *)t1);
50 ok1(timers_check(&timers, NULL));
52 t2 = get_first(&timers);
53 ok1(t2 != t1 && (t2 == &t[i*2] || t2 == &t[i*2+1]));
54 timer_del(&timers, (struct timer *)t2);
55 ok1(timers_check(&timers, NULL));
59 for (i = 0; i < 32; i++) {
60 uint64_t exp = (uint64_t)TIMER_GRANULARITY << i;
62 timer_add(&timers, &t[i*2], timeabs_from_nsec(exp));
63 ok1(timers_check(&timers, NULL));
64 timer_add(&timers, &t[i*2+1], timeabs_from_nsec(exp + 1));
65 ok1(timers_check(&timers, NULL));
68 for (i = 0; i < 32; i++) {
69 struct timer *t1, *t2;
71 ok1(timer_earliest(&timers, &earliest));
72 timers_expire(&timers, earliest, &expired);
74 t1 = list_pop(&expired, struct timer, list);
76 t2 = list_pop(&expired, struct timer, list);
78 ok1(list_empty(&expired));
80 ok1(t1 == &t[i*2] || t1 == &t[i*2+1]);
81 ok1(t2 != t1 && (t2 == &t[i*2] || t2 == &t[i*2+1]));
82 ok1(timers_check(&timers, NULL));
85 ok1(!timer_earliest(&timers, &earliest));
87 timers_cleanup(&timers);
89 /* This exits depending on whether all tests passed */