void str_push_pop(List *list) {
SET_TYPE(list, string);
List_push(list, "hello world");
List_push(list, "bad boy");
assert(strcmp(List_index(list, 0)->data, "hello world") == 0);
assert(strcmp(List_index(list, 1)->data, "bad boy") == 0);
assert(strcmp(List_first(list)->data, "hello world") == 0);
assert(strcmp(List_last(list)->data, "bad boy") == 0);
List_pop(list);
List_pop(list);
}
void push_shift(List *list) {
List_push(list, 12);
List_push(list, 7);
List_push(list, 2);
assert(List_index(list, 0)->data == 12);
assert(List_index(list, 1)->data == 7);
assert(List_first(list)->data == 12);
assert(List_last(list)->data == 2);
List_shift(list);
assert(List_first(list)->data == 7);
List_shift(list);
assert(List_first(list)->data == 2);
List_shift(list);
assert(List_first(list) == NULL);
}
void remove_mid(List *list) {
List_push(list, 12);
List_push(list, 7);
List_push(list, 8);
List_remove(list, List_index(list, 1));
assert(List_size(list) == 2);
assert(List_first(list)->data == 12);
assert(List_last(list)->data == 8);
}
/**
* Moves an item in the list to another spot.
*
* @param list the list to use.
* @param item the item to move.
* @param pos the index of the new position.
*/
void List_move(List *list, void *item, int pos) {
int index = List_index(list, item), len = list->count, i;
void **items = list->items;
if (pos != index && pos >= 0) {
if (pos < index) {
for (i = index; i > pos; i--) {
items[i] = items[i - 1];
}
} else {
for (i = index; i < pos; i++) {
items[i] = items[i + 1];
}
}
items[pos] = item;
}
}
/**
* Adds an item to a specific list. Dynamically making the array larger.
*
* @param list the list to add to.
* @param item the item to add to the list.
*/
void List_add(List *list, void *item) {
if (List_index(list, item) != -1) { //if the item exists.
puts("User already exists");
} else { //else add the user
//allocate more memory.
size_t new_size = (size_t) list->count + 1;
void **new_items = realloc(list->items, new_size * list->_type_size);
if (new_items) { //if the memory allocation worked then continue.
list->items = new_items;
list->items[list->count] = item;
list->count += 1;
} else {
puts("Error users size");
}
}
}
