1 #define CCAN_TIMER_DEBUG
2 #include <ccan/timer/timer.h>
3 #include <ccan/time/time.h>
5 #define time_mono() fake_mono_time
7 static struct timemono fake_mono_time;
9 /* Include the C files directly. */
10 #include <ccan/timer/timer.c>
11 #include <ccan/tap/tap.h>
13 static struct timemono timemono_from_nsec(unsigned long long nsec)
15 struct timemono epoch = { { 0, 0 } };
16 return timemono_add(epoch, time_from_nsec(nsec));
23 struct timemono earliest;
25 const struct timemono epoch = { { 0, 0 } };
27 /* This is how many tests you plan to run */
30 timers_init(&timers, epoch);
31 ok1(timers_check(&timers, NULL));
32 ok1(!timer_earliest(&timers, &earliest));
35 /* timer_del can be called immediately after init. */
36 timer_del(&timers, &t[0]);
38 timer_addmono(&timers, &t[0], timemono_from_nsec(1));
39 ok1(timers_check(&timers, NULL));
40 ok1(timer_earliest(&timers, &earliest));
41 ok1(timemono_eq(earliest, grains_to_time(t[0].time)));
42 timer_del(&timers, &t[0]);
43 ok1(timers_check(&timers, NULL));
44 ok1(!timer_earliest(&timers, &earliest));
46 /* timer_del can be called twice, no problems. */
47 timer_del(&timers, &t[0]);
49 /* Check timer ordering. */
50 for (i = 0; i < 32; i++) {
52 timer_addmono(&timers, &t[i*2], timemono_from_nsec(1ULL << i));
53 ok1(timers_check(&timers, NULL));
54 timer_init(&t[i*2+1]);
55 timer_addmono(&timers, &t[i*2+1], timemono_from_nsec((1ULL << i) + 1));
56 ok1(timers_check(&timers, NULL));
59 for (i = 0; i < 32; i++) {
60 const struct timer *t1, *t2;
62 t1 = get_first(&timers);
63 ok1(t1 == &t[i*2] || t1 == &t[i*2+1]);
64 timer_del(&timers, (struct timer *)t1);
65 ok1(timers_check(&timers, NULL));
67 t2 = get_first(&timers);
68 ok1(t2 != t1 && (t2 == &t[i*2] || t2 == &t[i*2+1]));
69 timer_del(&timers, (struct timer *)t2);
70 ok1(timers_check(&timers, NULL));
74 for (i = 0; i < 32; i++) {
75 uint64_t exp = (uint64_t)TIMER_GRANULARITY << i;
77 timer_addmono(&timers, &t[i*2], timemono_from_nsec(exp));
78 ok1(timers_check(&timers, NULL));
79 timer_addmono(&timers, &t[i*2+1], timemono_from_nsec(exp + 1));
80 ok1(timers_check(&timers, NULL));
83 for (i = 0; i < 32; i++) {
84 struct timer *t1, *t2;
86 ok1(timer_earliest(&timers, &earliest));
87 t1 = timers_expire(&timers, earliest);
89 t2 = timers_expire(&timers, earliest);
91 ok1(!timers_expire(&timers, earliest));
93 ok1(t1 == &t[i*2] || t1 == &t[i*2+1]);
94 ok1(t2 != t1 && (t2 == &t[i*2] || t2 == &t[i*2+1]));
95 ok1(timers_check(&timers, NULL));
98 ok1(!timer_earliest(&timers, &earliest));
99 ok1(timers_check(&timers, NULL));
100 timers_cleanup(&timers);
102 /* Relative timers. */
103 timers_init(&timers, epoch);
104 fake_mono_time = timemono_from_nsec(TIMER_GRANULARITY);
105 timer_addrel(&timers, &t[0], time_from_sec(1));
106 ok1(timer_earliest(&timers, &earliest));
107 ok1(timers_check(&timers, NULL));
108 ok1(earliest.ts.tv_sec == 1 && earliest.ts.tv_nsec == TIMER_GRANULARITY);
109 ok1(timers_expire(&timers, earliest) == &t[0]);
110 ok1(!timer_earliest(&timers, &earliest));
111 ok1(timers_check(&timers, NULL));
112 timers_cleanup(&timers);
114 /* This exits depending on whether all tests passed */
115 return exit_status();