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linked_list: linked_list_take should concat lists

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This commit is contained in:
Kenny Levinsen 2020-08-31 02:26:47 +02:00
parent d75b617faf
commit bbfb770c73
3 changed files with 32 additions and 5 deletions
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28
tests/linked_list.c
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@ -204,6 +204,7 @@ static void test_linked_list_loop_iterate(void) {
static void test_linked_list_take_empty(void) {
struct linked_list list1, list2;
linked_list_init(&list1);
linked_list_init(&list2);
linked_list_take(&list2, &list1);
@ -214,6 +215,7 @@ static void test_linked_list_take_empty(void) {
static void test_linked_list_take_single(void) {
struct linked_list list1, list2;
linked_list_init(&list1);
linked_list_init(&list2);
struct list_elem elem1 = {{0}, NULL};
linked_list_insert(&list1, &elem1.link);
@ -228,6 +230,7 @@ static void test_linked_list_take_single(void) {
static void test_linked_list_take_many(void) {
struct linked_list list1, list2;
linked_list_init(&list1);
linked_list_init(&list2);
struct list_elem elem1 = {{0}, NULL};
struct list_elem elem2 = {{0}, NULL};
@ -242,6 +245,30 @@ static void test_linked_list_take_many(void) {
assert(elem2.link.next == &list2 && elem2.link.prev == &elem1.link);
}
static void test_linked_list_take_concat(void) {
struct linked_list list1, list2;
linked_list_init(&list1);
linked_list_init(&list2);
struct list_elem elem1 = {{0}, NULL};
struct list_elem elem2 = {{0}, NULL};
struct list_elem elem3 = {{0}, NULL};
struct list_elem elem4 = {{0}, NULL};
linked_list_insert(&list1, &elem2.link);
linked_list_insert(&list1, &elem1.link);
linked_list_insert(&list2, &elem4.link);
linked_list_insert(&list2, &elem3.link);
linked_list_take(&list2, &list1);
assert(linked_list_empty(&list1));
assert(list2.next == &elem1.link && list2.prev == &elem4.link);
assert(elem1.link.next == &elem2.link && elem1.link.prev == &list2);
assert(elem2.link.next == &elem3.link && elem2.link.prev == &elem1.link);
assert(elem3.link.next == &elem4.link && elem3.link.prev == &elem2.link);
assert(elem4.link.next == &list2 && elem4.link.prev == &elem3.link);
}
int main(int argc, char *argv[]) {
(void)argc;
(void)argv;
@ -258,6 +285,7 @@ int main(int argc, char *argv[]) {
test_linked_list_take_empty();
test_linked_list_take_single();
test_linked_list_take_many();
test_linked_list_take_concat();
return 0;
}