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 timeabs earliest;
18 struct timeabs epoch = { { 0, 0 } };
20 /* This is how many tests you plan to run */
23 timers_init(&timers, epoch);
24 ok1(timers_check(&timers, NULL));
25 ok1(!timer_earliest(&timers, &earliest));
28 /* timer_del can be called immediately after init. */
29 timer_del(&timers, &t[0]);
31 timer_add(&timers, &t[0], timeabs_from_nsec(1));
32 ok1(timers_check(&timers, NULL));
33 ok1(timer_earliest(&timers, &earliest));
34 ok1(timeabs_eq(earliest, grains_to_time(t[0].time)));
35 timer_del(&timers, &t[0]);
36 ok1(timers_check(&timers, NULL));
37 ok1(!timer_earliest(&timers, &earliest));
39 /* timer_del can be called twice, no problems. */
40 timer_del(&timers, &t[0]);
42 /* Check timer ordering. */
43 for (i = 0; i < 32; i++) {
45 timer_add(&timers, &t[i*2], timeabs_from_nsec(1ULL << i));
46 ok1(timers_check(&timers, NULL));
47 timer_init(&t[i*2+1]);
48 timer_add(&timers, &t[i*2+1], timeabs_from_nsec((1ULL << i) + 1));
49 ok1(timers_check(&timers, NULL));
52 for (i = 0; i < 32; i++) {
53 const struct timer *t1, *t2;
55 t1 = get_first(&timers);
56 ok1(t1 == &t[i*2] || t1 == &t[i*2+1]);
57 timer_del(&timers, (struct timer *)t1);
58 ok1(timers_check(&timers, NULL));
60 t2 = get_first(&timers);
61 ok1(t2 != t1 && (t2 == &t[i*2] || t2 == &t[i*2+1]));
62 timer_del(&timers, (struct timer *)t2);
63 ok1(timers_check(&timers, NULL));
67 for (i = 0; i < 32; i++) {
68 uint64_t exp = (uint64_t)TIMER_GRANULARITY << i;
70 timer_add(&timers, &t[i*2], timeabs_from_nsec(exp));
71 ok1(timers_check(&timers, NULL));
72 timer_add(&timers, &t[i*2+1], timeabs_from_nsec(exp + 1));
73 ok1(timers_check(&timers, NULL));
76 for (i = 0; i < 32; i++) {
77 struct timer *t1, *t2;
79 ok1(timer_earliest(&timers, &earliest));
80 t1 = timers_expire(&timers, earliest);
82 t2 = timers_expire(&timers, earliest);
84 ok1(!timers_expire(&timers, earliest));
86 ok1(t1 == &t[i*2] || t1 == &t[i*2+1]);
87 ok1(t2 != t1 && (t2 == &t[i*2] || t2 == &t[i*2+1]));
88 ok1(timers_check(&timers, NULL));
91 ok1(!timer_earliest(&timers, &earliest));
93 timers_cleanup(&timers);
95 /* This exits depending on whether all tests passed */