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#define CCAN_LIST_DEBUG 1
#include <ccan/tlist/tlist.h>
#include <ccan/tap/tap.h>
TLIST_TYPE(children, struct child);
struct parent {
const char *name;
struct tlist_children children;
unsigned int num_children;
};
struct child {
const char *name;
struct ccan_list_node list;
};
int main(int argc, char *argv[])
{
struct parent parent;
struct child c1, c2, c3, *c, *n;
unsigned int i;
struct tlist_children tlist = TLIST_INIT(tlist);
plan_tests(48);
/* Test TLIST_INIT, and tlist_empty */
ok1(tlist_empty(&tlist));
ok1(tlist_check(&tlist, NULL));
parent.num_children = 0;
tlist_init(&parent.children);
/* Test tlist_init */
ok1(tlist_empty(&parent.children));
ok1(tlist_check(&parent.children, NULL));
c2.name = "c2";
tlist_add(&parent.children, &c2, list);
/* Test tlist_add and !tlist_empty. */
ok1(!tlist_empty(&parent.children));
ok1(c2.list.next == &parent.children.raw.n);
ok1(c2.list.prev == &parent.children.raw.n);
ok1(parent.children.raw.n.next == &c2.list);
ok1(parent.children.raw.n.prev == &c2.list);
/* Test tlist_check */
ok1(tlist_check(&parent.children, NULL));
c1.name = "c1";
tlist_add(&parent.children, &c1, list);
/* Test ccan_list_add and !ccan_list_empty. */
ok1(!tlist_empty(&parent.children));
ok1(c2.list.next == &parent.children.raw.n);
ok1(c2.list.prev == &c1.list);
ok1(parent.children.raw.n.next == &c1.list);
ok1(parent.children.raw.n.prev == &c2.list);
ok1(c1.list.next == &c2.list);
ok1(c1.list.prev == &parent.children.raw.n);
/* Test tlist_check */
ok1(tlist_check(&parent.children, NULL));
c3.name = "c3";
tlist_add_tail(&parent.children, &c3, list);
/* Test ccan_list_add_tail and !ccan_list_empty. */
ok1(!tlist_empty(&parent.children));
ok1(parent.children.raw.n.next == &c1.list);
ok1(parent.children.raw.n.prev == &c3.list);
ok1(c1.list.next == &c2.list);
ok1(c1.list.prev == &parent.children.raw.n);
ok1(c2.list.next == &c3.list);
ok1(c2.list.prev == &c1.list);
ok1(c3.list.next == &parent.children.raw.n);
ok1(c3.list.prev == &c2.list);
/* Test tlist_check */
ok1(tlist_check(&parent.children, NULL));
/* Test tlist_top */
ok1(tlist_top(&parent.children, list) == &c1);
/* Test ccan_list_tail */
ok1(tlist_tail(&parent.children, list) == &c3);
/* Test tlist_for_each. */
i = 0;
tlist_for_each(&parent.children, c, list) {
switch (i++) {
case 0:
ok1(c == &c1);
break;
case 1:
ok1(c == &c2);
break;
case 2:
ok1(c == &c3);
break;
}
if (i > 2)
break;
}
ok1(i == 3);
/* Test tlist_for_each_rev. */
i = 0;
tlist_for_each_rev(&parent.children, c, list) {
switch (i++) {
case 0:
ok1(c == &c3);
break;
case 1:
ok1(c == &c2);
break;
case 2:
ok1(c == &c1);
break;
}
if (i > 2)
break;
}
ok1(i == 3);
/* Test tlist_for_each_safe, tlist_del and tlist_del_from. */
i = 0;
tlist_for_each_safe(&parent.children, c, n, list) {
switch (i++) {
case 0:
ok1(c == &c1);
tlist_del(c, list);
break;
case 1:
ok1(c == &c2);
tlist_del_from(&parent.children, c, list);
break;
case 2:
ok1(c == &c3);
tlist_del_from(&parent.children, c, list);
break;
}
ok1(tlist_check(&parent.children, NULL));
if (i > 2)
break;
}
ok1(i == 3);
ok1(tlist_empty(&parent.children));
/* Test ccan_list_top/ccan_list_tail on empty list. */
ok1(tlist_top(&parent.children, list) == (struct child *)NULL);
ok1(tlist_tail(&parent.children, list) == (struct child *)NULL);
return exit_status();
}
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