1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/* Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdint.h>
#include <sys/time.h>
#include "tests/common/events_tests.h"
#include "common/evqueue.h"
#include "common/evsched.h"
static int events_tests_count(int argc, char *argv[]);
static int events_tests_run(int argc, char *argv[]);
/*! Exported unit API.
*/
unit_api events_tests_api = {
"Event queue and scheduler", //! Unit name
&events_tests_count, //! Count scheduled tests
&events_tests_run //! Run scheduled tests
};
void* term_thr(void *arg)
{
evsched_t *s = (evsched_t *)arg;
/* Sleep for 100ms. */
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 100 * 1000; // 100ms
select(0, 0, 0, 0, &tv);
/* Issue termination event. */
evsched_schedule_term(s, 0);
return 0;
}
static int events_tests_count(int argc, char *argv[])
{
return 9 + 11;
}
static int events_tests_run(int argc, char *argv[])
{
/*
* Event queue tests.
*/
// 1. Construct an event queue
evqueue_t *q = evqueue_new();
ok(q != 0, "evqueue: new");
// 2. Send integer through event queue
int ret = 0;
uint8_t sent = 0xaf, rcvd = 0;
ret = evqueue_write(q, &sent, sizeof(uint8_t));
ok(ret == sizeof(uint8_t), "evqueue: send byte through");
// 3. Receive byte from event queue
ret = evqueue_read(q, &rcvd, sizeof(uint8_t));
ok(ret == sizeof(uint8_t), "evqueue: received byte");
// 4. Received match
ok(sent == rcvd, "evqueue: received byte match");
// 5. Sending event
event_t ev, rev;
memset(&ev, 0, sizeof(event_t));
memset(&rev, 0, sizeof(event_t));
ev.type = 0xfa11;
ev.data = (void*)0xceed;
ret = evqueue_add(q, &ev);
ok(ret == 0, "evqueue: sent event to queue");
// 6. Poll for new events
struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = 100 * 1000 * 1000; // 100ms
ret = evqueue_poll(q, &ts, 0);
ok(ret > 0, "evqueue: polling queue for events");
// 7. Compare received event
ret = evqueue_get(q, &rev);
/* Compare useful data, as event owner was changed in evqueue_get(). */
if (ev.type == rev.type && ev.data == rev.data) {
ret = 0;
}
ok(ret == 0, "evqueue: received event matches sent");
// 8. Invalid parameters
lives_ok({
evqueue_free(0);
evqueue_poll(0,0,0);
evqueue_read(0, 0, 0);
evqueue_write(0, 0, 0);
evqueue_read(0, 0, 0);
evqueue_get(0, 0);
evqueue_add(0, 0);
}, "evqueue: won't crash with NULL parameters");
// 9. Free event queue
lives_ok({evqueue_free(&q);}, "evqueue: delete");
/*
* Event scheduler tests.
*/
// 1. Construct event scheduler
event_t *e = 0;
evsched_t *s = evsched_new();
ok(s != 0, "evsched: new");
// 2. Schedule event to happen after N ms
int msecs = 50;
struct timeval st, rt;
gettimeofday(&st, 0);
e = evsched_schedule_cb(s, 0, (void*)0xcafe, msecs);
ok(e != 0, "evsched: scheduled empty event after %dms", msecs);
// 3. Wait for next event
e = evsched_next(s);
evsched_event_finished(s);
gettimeofday(&rt, 0);
ok(e != 0, "evsched: received valid event");
// 4. Check receive time
double passed = (rt.tv_sec - st.tv_sec) * 1000;
passed += (rt.tv_usec - st.tv_usec) / 1000;
double margin = msecs * 0.2;
double lb = msecs - margin, ub = msecs + margin;
int in_bounds = (passed >= lb) && (passed <= ub);
ok(in_bounds, "evsched: receive time %.1lfms is in <%.1lf,%.1lf>",
passed, lb, ub);
// 5. Check data
ok(e->data == (void*)0xcafe, "evsched: received data is valid");
// 6. Delete event
lives_ok({evsched_event_free(s, e);}, "evsched: deleted event");
// 7. Insert and immediately cancel an event
e = evsched_schedule_cb(s, 0, (void*)0xdead, 1000);
ret = evsched_cancel(s, e);
ok(ret >= 0, "evsched: inserted and cancelled an event");
if (e) {
evsched_event_free(s, e);
}
// 8. Start listener thread and block
pthread_t t;
pthread_create(&t, 0, term_thr, s);
e = evsched_next(s);
evsched_event_finished(s);
ok(e != 0, "evsched: received termination event");
// 9. Termination event is valid
ok(e->type == EVSCHED_TERM, "evsched: termination event is valid");
evsched_event_free(s, e);
pthread_join(t, 0);
// 10. Invalid parameters
lives_ok({
evsched_delete(0);
evsched_event_new(0, 0);
evsched_event_free(0, 0);
evsched_next(0);
evsched_schedule(0, 0, 0);
evsched_schedule_cb(0, 0, 0, 0);
evsched_schedule_term(0, 0);
evsched_cancel(0, 0);
}, "evsched: won't crash with NULL parameters");
// 11. Delete event scheduler
lives_ok({evsched_delete(&s);}, "evsched: delete");
return 0;
}
|
