Files
systemd/src/test/test-list.c
2024-04-10 16:57:30 +02:00

287 lines
11 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "alloc-util.h"
#include "list.h"
#include "tests.h"
int main(int argc, const char *argv[]) {
test_setup_logging(LOG_DEBUG);
size_t i;
typedef struct list_item {
LIST_FIELDS(struct list_item, item_list);
} list_item;
LIST_HEAD(list_item, head);
LIST_HEAD(list_item, head2);
list_item items[4];
LIST_HEAD_INIT(head);
LIST_HEAD_INIT(head2);
ASSERT_NULL(head);
ASSERT_NULL(head2);
for (i = 0; i < ELEMENTSOF(items); i++) {
LIST_INIT(item_list, &items[i]);
assert_se(LIST_JUST_US(item_list, &items[i]));
assert_se(LIST_PREPEND(item_list, head, &items[i]) == &items[i]);
}
i = 0;
LIST_FOREACH_OTHERS(item_list, cursor, &items[2]) {
i++;
assert_se(cursor != &items[2]);
}
assert_se(i == ELEMENTSOF(items)-1);
i = 0;
LIST_FOREACH_OTHERS(item_list, cursor, &items[0]) {
i++;
assert_se(cursor != &items[0]);
}
assert_se(i == ELEMENTSOF(items)-1);
i = 0;
LIST_FOREACH_OTHERS(item_list, cursor, &items[3]) {
i++;
assert_se(cursor != &items[3]);
}
assert_se(i == ELEMENTSOF(items)-1);
assert_se(!LIST_JUST_US(item_list, head));
ASSERT_NULL(items[0].item_list_next);
assert_se(items[1].item_list_next == &items[0]);
assert_se(items[2].item_list_next == &items[1]);
assert_se(items[3].item_list_next == &items[2]);
assert_se(items[0].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[2]);
assert_se(items[2].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
list_item *cursor = LIST_FIND_HEAD(item_list, &items[0]);
assert_se(cursor == &items[3]);
cursor = LIST_FIND_TAIL(item_list, &items[3]);
assert_se(cursor == &items[0]);
assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
assert_se(LIST_JUST_US(item_list, &items[1]));
ASSERT_NULL(items[0].item_list_next);
assert_se(items[2].item_list_next == &items[0]);
assert_se(items[3].item_list_next == &items[2]);
assert_se(items[0].item_list_prev == &items[2]);
assert_se(items[2].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_INSERT_AFTER(item_list, head, &items[3], &items[1]) == &items[1]);
ASSERT_NULL(items[0].item_list_next);
assert_se(items[2].item_list_next == &items[0]);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[3].item_list_next == &items[1]);
assert_se(items[0].item_list_prev == &items[2]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
assert_se(LIST_JUST_US(item_list, &items[1]));
ASSERT_NULL(items[0].item_list_next);
assert_se(items[2].item_list_next == &items[0]);
assert_se(items[3].item_list_next == &items[2]);
assert_se(items[0].item_list_prev == &items[2]);
assert_se(items[2].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_INSERT_BEFORE(item_list, head, &items[2], &items[1]) == &items[1]);
ASSERT_NULL(items[0].item_list_next);
assert_se(items[2].item_list_next == &items[0]);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[3].item_list_next == &items[1]);
assert_se(items[0].item_list_prev == &items[2]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
assert_se(LIST_JUST_US(item_list, &items[0]));
ASSERT_NULL(items[2].item_list_next);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[3].item_list_next == &items[1]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_INSERT_BEFORE(item_list, head, &items[3], &items[0]) == &items[0]);
ASSERT_NULL(items[2].item_list_next);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[3].item_list_next == &items[1]);
assert_se(items[0].item_list_next == &items[3]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[3]);
assert_se(items[3].item_list_prev == &items[0]);
ASSERT_NULL(items[0].item_list_prev);
assert_se(head == &items[0]);
assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
assert_se(LIST_JUST_US(item_list, &items[0]));
ASSERT_NULL(items[2].item_list_next);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[3].item_list_next == &items[1]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_INSERT_BEFORE(item_list, head, NULL, &items[0]) == &items[0]);
ASSERT_NULL(items[0].item_list_next);
assert_se(items[2].item_list_next == &items[0]);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[3].item_list_next == &items[1]);
assert_se(items[0].item_list_prev == &items[2]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
assert_se(LIST_JUST_US(item_list, &items[0]));
ASSERT_NULL(items[2].item_list_next);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[3].item_list_next == &items[1]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
assert_se(LIST_JUST_US(item_list, &items[1]));
ASSERT_NULL(items[2].item_list_next);
assert_se(items[3].item_list_next == &items[2]);
assert_se(items[2].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_REMOVE(item_list, head, &items[2]) == &items[2]);
assert_se(LIST_JUST_US(item_list, &items[2]));
assert_se(LIST_JUST_US(item_list, head));
assert_se(LIST_REMOVE(item_list, head, &items[3]) == &items[3]);
assert_se(LIST_JUST_US(item_list, &items[3]));
ASSERT_NULL(head);
for (i = 0; i < ELEMENTSOF(items); i++) {
assert_se(LIST_JUST_US(item_list, &items[i]));
assert_se(LIST_APPEND(item_list, head, &items[i]) == &items[i]);
}
assert_se(!LIST_JUST_US(item_list, head));
assert_se(items[0].item_list_next == &items[1]);
assert_se(items[1].item_list_next == &items[2]);
assert_se(items[2].item_list_next == &items[3]);
ASSERT_NULL(items[3].item_list_next);
ASSERT_NULL(items[0].item_list_prev);
assert_se(items[1].item_list_prev == &items[0]);
assert_se(items[2].item_list_prev == &items[1]);
assert_se(items[3].item_list_prev == &items[2]);
for (i = 0; i < ELEMENTSOF(items); i++)
assert_se(LIST_REMOVE(item_list, head, &items[i]) == &items[i]);
ASSERT_NULL(head);
for (i = 0; i < ELEMENTSOF(items) / 2; i++) {
LIST_INIT(item_list, &items[i]);
assert_se(LIST_JUST_US(item_list, &items[i]));
assert_se(LIST_PREPEND(item_list, head, &items[i]) == &items[i]);
}
for (i = ELEMENTSOF(items) / 2; i < ELEMENTSOF(items); i++) {
LIST_INIT(item_list, &items[i]);
assert_se(LIST_JUST_US(item_list, &items[i]));
assert_se(LIST_PREPEND(item_list, head2, &items[i]) == &items[i]);
}
ASSERT_NULL(items[0].item_list_next);
assert_se(items[1].item_list_next == &items[0]);
ASSERT_NULL(items[2].item_list_next);
assert_se(items[3].item_list_next == &items[2]);
assert_se(items[0].item_list_prev == &items[1]);
ASSERT_NULL(items[1].item_list_prev);
assert_se(items[2].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_JOIN(item_list, head2, head) == head2);
ASSERT_NULL(head);
ASSERT_NULL(items[0].item_list_next);
assert_se(items[1].item_list_next == &items[0]);
assert_se(items[2].item_list_next == &items[1]);
assert_se(items[3].item_list_next == &items[2]);
assert_se(items[0].item_list_prev == &items[1]);
assert_se(items[1].item_list_prev == &items[2]);
assert_se(items[2].item_list_prev == &items[3]);
ASSERT_NULL(items[3].item_list_prev);
assert_se(LIST_JOIN(item_list, head, head2) == head);
ASSERT_NULL(head2);
assert_se(head);
for (i = 0; i < ELEMENTSOF(items); i++)
assert_se(LIST_REMOVE(item_list, head, &items[i]) == &items[i]);
ASSERT_NULL(head);
assert_se(LIST_PREPEND(item_list, head, items + 0) == items + 0);
assert_se(LIST_PREPEND(item_list, head, items + 1) == items + 1);
assert_se(LIST_PREPEND(item_list, head, items + 2) == items + 2);
assert_se(LIST_POP(item_list, head) == items + 2);
assert_se(LIST_POP(item_list, head) == items + 1);
assert_se(LIST_POP(item_list, head) == items + 0);
ASSERT_NULL(LIST_POP(item_list, head));
/* No-op on an empty list */
LIST_CLEAR(item_list, head, free);
/* A non-empty list is cleared */
assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
LIST_CLEAR(item_list, head, free);
ASSERT_NULL(head);
/* A list can be cleared partially */
assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
assert_se(LIST_PREPEND(item_list, head, items + 0) == items + 0);
LIST_CLEAR(item_list, head->item_list_next, free);
assert_se(head == items + 0);
ASSERT_NULL(head->item_list_next);
return 0;
}