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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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.
ChibiOS/RT 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 <ch.h>
#include "test.h"
#if CH_USE_SEMAPHORES
#define ALLOWED_DELAY MS2ST(5)
static Semaphore sem1;
static char *sem1_gettest(void) {
return "Semaphores, enqueuing test";
}
static void sem1_setup(void) {
chSemInit(&sem1, 0);
}
static msg_t thread1(void *p) {
chSemWait(&sem1);
test_emit_token(*(char *)p);
return 0;
}
static void sem1_execute(void) {
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, chThdGetPriority()+5, thread1, "A");
threads[1] = chThdCreateStatic(wa[1], WA_SIZE, chThdGetPriority()+1, thread1, "B");
threads[2] = chThdCreateStatic(wa[2], WA_SIZE, chThdGetPriority()+3, thread1, "C");
threads[3] = chThdCreateStatic(wa[3], WA_SIZE, chThdGetPriority()+4, thread1, "D");
threads[4] = chThdCreateStatic(wa[4], WA_SIZE, chThdGetPriority()+2, thread1, "E");
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
test_wait_threads();
#if CH_USE_SEMAPHORES_PRIORITY
test_assert_sequence(1, "ADCEB");
#else
test_assert_sequence(1, "ABCDE");
#endif
}
const struct testcase testsem1 = {
sem1_gettest,
sem1_setup,
NULL,
sem1_execute
};
static char *sem2_gettest(void) {
return "Semaphores, timeout test";
}
static void sem2_setup(void) {
chSemInit(&sem1, 0);
}
static msg_t thread2(void *p) {
chThdSleepMilliseconds(50);
chSysLock();
chSemSignalI(&sem1); /* For coverage reasons */
chSchRescheduleS();
chSysUnlock();
return 0;
}
static void sem2_execute(void) {
int i;
systime_t target_time;
msg_t msg;
/*
* Testing special case TIME_IMMEDIATE.
*/
msg = chSemWaitTimeout(&sem1, TIME_IMMEDIATE);
test_assert(1, msg == RDY_TIMEOUT, "wrong wake-up message");
test_assert(2, isempty(&sem1.s_queue), "queue not empty");
test_assert(3, sem1.s_cnt == 0, "counter not zero");
/*
* Testing not timeout condition.
*/
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, chThdGetPriority() - 1,
thread2, "A");
msg = chSemWaitTimeout(&sem1, MS2ST(500));
test_wait_threads();
test_assert(4, msg == RDY_OK, "wrong wake-up message");
test_assert(5, isempty(&sem1.s_queue), "queue not empty");
test_assert(6, sem1.s_cnt == 0, "counter not zero");
/*
* Testing timeout condition.
*/
test_wait_tick();
target_time = chTimeNow() + MS2ST(5 * 500);
for (i = 0; i < 5; i++) {
test_emit_token('A' + i);
msg = chSemWaitTimeout(&sem1, MS2ST(500));
test_assert(7, msg == RDY_TIMEOUT, "wrong wake-up message");
test_assert(8, isempty(&sem1.s_queue), "queue not empty");
test_assert(9, sem1.s_cnt == 0, "counter not zero");
}
test_assert_sequence(10, "ABCDE");
test_assert_time_window(11, target_time, target_time + ALLOWED_DELAY);
}
const struct testcase testsem2 = {
sem2_gettest,
sem2_setup,
NULL,
sem2_execute
};
#if CH_USE_SEMSW
static char *sem3_gettest(void) {
return "Semaphores, atomic signal-wait";
}
static void sem3_setup(void) {
chSemInit(&sem1, 0);
}
static msg_t thread3(void *p) {
chSemWait(&sem1);
chSemSignal(&sem1);
return 0;
}
static void sem3_execute(void) {
threads[0] = chThdCreateStatic(wa[0], WA_SIZE, chThdGetPriority()+1, thread3, "A");
chSemSignalWait(&sem1, &sem1);
test_assert(1, isempty(&sem1.s_queue), "queue not empty");
test_assert(2, sem1.s_cnt == 0, "counter not zero");
chSemSignalWait(&sem1, &sem1);
test_assert(3, isempty(&sem1.s_queue), "queue not empty");
test_assert(4, sem1.s_cnt == 0, "counter not zero");
}
const struct testcase testsem3 = {
sem3_gettest,
sem3_setup,
NULL,
sem3_execute
};
#endif /* CH_USE_SEMSW */
#endif /* CH_USE_SEMAPHORES */
/*
* Test sequence for semaphores pattern.
*/
const struct testcase * const patternsem[] = {
#if CH_USE_SEMAPHORES
&testsem1,
&testsem2,
#if CH_USE_SEMSW
&testsem3,
#endif
#endif
NULL
};
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