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/*
* Tests for basic functionality
* This contains basic, deterministic tests for list behavior, API
* functionality, and usage.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "c-list.h"
static void test_iterators(void) {
CList *iter, *safe, a, b, list = C_LIST_INIT(list);
unsigned int i;
assert(!c_list_first(&list));
assert(!c_list_last(&list));
/* link @a and verify iterators see just it */
c_list_link_tail(&list, &a);
assert(c_list_is_linked(&a));
assert(c_list_first(&list) == &a);
assert(c_list_last(&list) == &a);
i = 0;
c_list_for_each(iter, &list) {
assert(iter == &a);
++i;
}
assert(i == 1);
i = 0;
iter = NULL;
c_list_for_each_continue(iter, &list) {
assert(iter == &a);
++i;
}
assert(i == 1);
i = 0;
iter = &a;
c_list_for_each_continue(iter, &list)
++i;
assert(i == 0);
/* link @b as well and verify iterators again */
c_list_link_tail(&list, &b);
assert(c_list_is_linked(&a));
assert(c_list_is_linked(&b));
i = 0;
c_list_for_each(iter, &list) {
assert((i == 0 && iter == &a) ||
(i == 1 && iter == &b));
++i;
}
assert(i == 2);
i = 0;
iter = NULL;
c_list_for_each_continue(iter, &list) {
assert((i == 0 && iter == &a) ||
(i == 1 && iter == &b));
++i;
}
assert(i == 2);
i = 0;
iter = &a;
c_list_for_each_continue(iter, &list) {
assert(iter == &b);
++i;
}
assert(i == 1);
i = 0;
iter = &b;
c_list_for_each_continue(iter, &list)
++i;
assert(i == 0);
/* verify safe-iterator while removing elements */
i = 0;
c_list_for_each_safe(iter, safe, &list) {
assert(iter == &a || iter == &b);
c_list_unlink_stale(iter);
++i;
}
assert(i == 2);
assert(c_list_is_empty(&list));
/* link both and verify *_unlink() iterators */
c_list_link_tail(&list, &a);
c_list_link_tail(&list, &b);
i = 0;
c_list_for_each_safe_unlink(iter, safe, &list) {
assert(iter == &a || iter == &b);
assert(!c_list_is_linked(iter));
++i;
}
assert(i == 2);
assert(c_list_is_empty(&list));
}
static void test_swap(void) {
CList list1 = (CList)C_LIST_INIT(list1);
CList list2 = (CList)C_LIST_INIT(list2);
CList list;
c_list_swap(&list1, &list2);
assert(list1.prev == list1.next && list1.prev == &list1);
assert(list2.prev == list2.next && list2.prev == &list2);
c_list_link_tail(&list1, &list);
assert(c_list_first(&list1) == &list);
assert(c_list_last(&list1) == &list);
assert(list.next = &list1);
assert(list.prev = &list1);
c_list_swap(&list1, &list2);
assert(c_list_first(&list2) == &list);
assert(c_list_last(&list2) == &list);
assert(list.next = &list2);
assert(list.prev = &list2);
assert(list1.prev == list1.next && list1.prev == &list1);
}
static void test_splice(void) {
CList target = (CList)C_LIST_INIT(target);
CList source = (CList)C_LIST_INIT(source);
CList e1, e2;
c_list_link_tail(&source, &e1);
c_list_splice(&target, &source);
assert(c_list_first(&target) == &e1);
assert(c_list_last(&target) == &e1);
source = (CList)C_LIST_INIT(source);
c_list_link_tail(&source, &e2);
c_list_splice(&target, &source);
assert(c_list_first(&target) == &e1);
assert(c_list_last(&target) == &e2);
}
static void test_flush(void) {
CList e1 = C_LIST_INIT(e1), e2 = C_LIST_INIT(e2);
{
__attribute__((__cleanup__(c_list_flush))) CList list1 = C_LIST_INIT(list1);
__attribute__((__cleanup__(c_list_flush))) CList list2 = C_LIST_INIT(list2);
c_list_link_tail(&list2, &e1);
c_list_link_tail(&list2, &e2);
assert(c_list_is_linked(&e1));
assert(c_list_is_linked(&e2));
}
assert(!c_list_is_linked(&e1));
assert(!c_list_is_linked(&e2));
}
int main(int argc, char **argv) {
test_iterators();
test_swap();
test_splice();
test_flush();
return 0;
}
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