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Diffstat (limited to 'test/test_bulletin.c')
-rw-r--r-- | test/test_bulletin.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/test_bulletin.c b/test/test_bulletin.c new file mode 100644 index 00000000..4a2fdb53 --- /dev/null +++ b/test/test_bulletin.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2018 Richard Braun. + * + * 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/>. + * + * + * This test makes a bulletin subscriber subscribe to a bulletin, and uses + * a timer to periodically publish, unsubscribe, and resubscribe to the + * bulletin. A counter is used to test passing values to the notification + * callback function. + */ + +#include <assert.h> +#include <stdbool.h> +#include <stddef.h> +#include <stdio.h> + +#include <kern/bulletin.h> +#include <kern/clock.h> +#include <kern/error.h> +#include <kern/log.h> +#include <kern/timer.h> +#include <test/test.h> + +#define TEST_INTERVAL 1 +#define TEST_NR_LOOPS 4 + +static struct bulletin test_bulletin; +static struct bulletin_sub test_bulletin_sub; +static struct timer test_timer; +static unsigned int test_counter; + +static void +test_notify(uintptr_t value, void *arg) +{ + log_info("test: notify: value:%lu arg:%p", value, arg); +} + +static void +test_tick(struct timer *timer) +{ + uint64_t ticks; + + test_counter++; + bulletin_publish(&test_bulletin, test_counter); + bulletin_unsubscribe(&test_bulletin, &test_bulletin_sub); + + if (test_counter == TEST_NR_LOOPS) { + log_info("test: done"); + return; + } + + bulletin_subscribe(&test_bulletin, &test_bulletin_sub, + test_notify, (void *)0x123); + + ticks = timer_get_time(timer) + clock_ticks_from_ms(TEST_INTERVAL * 1000); + timer_schedule(&test_timer, ticks); +} + +void __init +test_setup(void) +{ + uint64_t ticks; + + bulletin_init(&test_bulletin); + bulletin_subscribe(&test_bulletin, &test_bulletin_sub, + test_notify, (void *)0x123); + + timer_init(&test_timer, test_tick, TIMER_DETACHED); + ticks = clock_get_time() + clock_ticks_from_ms(TEST_INTERVAL * 1000); + timer_schedule(&test_timer, ticks); +} |