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knot-resolver/lib/generic/test_queue.c
Daniel Baumann fbc604e215
Adding upstream version 5.7.5.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 13:56:17 +02:00

71 lines
1.4 KiB
C

/* Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz>
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "tests/unit/test.h"
#include "lib/generic/queue.h"
/* The main intention is to use queues with pointers, so we test the same-sized int. */
typedef queue_t(ptrdiff_t) queue_int_t;
typedef queue_it_t(int) queue_int_it_t;
static void test_int(void **state_)
{
queue_int_t q;
queue_init(q);
/* Case of emptying the queue (and using again) has been broken for a long time. */
queue_push(q, 2);
queue_pop(q);
queue_push(q, 4);
queue_pop(q);
queue_push_head(q, 2);
queue_push_head(q, 1);
queue_push_head(q, 0);
for (int i = 0; i < 100; ++i) {
assert_int_equal(queue_head(q), i);
queue_push(q, i + 3);
queue_pop(q);
}
assert_int_equal(queue_len(q), 3);
for (int i = 99; i > 0; --i) {
assert_int_equal(queue_head(q), i + 1);
queue_push_head(q, i);
}
assert_int_equal(queue_len(q), 3 + 99);
/* Basic iterator test. */
{
int i = 0;
for (queue_int_it_t it = queue_it_begin(q); !queue_it_finished(it);
queue_it_next(it)) {
++queue_it_val(it);
++i;
}
assert_int_equal(queue_len(q), i);
}
queue_deinit(q);
queue_init(q);
for (int i = 0; i < 100; ++i) {
queue_push(q, 2*i);
queue_push(q, 2*i + 1);
assert_int_equal(queue_head(q), i);
queue_pop(q);
}
queue_deinit(q);
}
int main(void)
{
const UnitTest tests[] = {
unit_test(test_int),
};
return run_tests(tests);
}