tlist: Add tlist_next() and tlist_prev() functions

[ccan] / ccan / tlist / test / run.c

diff --git a/ccan/tlist/test/run.c b/ccan/tlist/test/run.c
index f94438eaf69551bc117754143d554ee9246ca326..06732cc3c1e1b32dccc79677c4c42043c0a77e7d 100644 (file)
--- a/ccan/tlist/test/run.c
+++ b/ccan/tlist/test/run.c
@@ -22,7 +22,7 @@ int main(int argc, char *argv[])
        unsigned int i;
        struct tlist_children tlist = TLIST_INIT(tlist);
 
-       plan_tests(48);
+       plan_tests(60);
        /* Test TLIST_INIT, and tlist_empty */
        ok1(tlist_empty(&tlist));
        ok1(tlist_check(&tlist, NULL));
@@ -41,6 +41,8 @@ int main(int argc, char *argv[])
        ok1(c2.list.prev == &parent.children.raw.n);
        ok1(parent.children.raw.n.next == &c2.list);
        ok1(parent.children.raw.n.prev == &c2.list);
+       ok1(tlist_next(&parent.children, &c2, list) == NULL);
+       ok1(tlist_prev(&parent.children, &c2, list) == NULL);
        /* Test tlist_check */
        ok1(tlist_check(&parent.children, NULL));
 
@@ -54,6 +56,10 @@ int main(int argc, char *argv[])
        ok1(parent.children.raw.n.prev == &c2.list);
        ok1(c1.list.next == &c2.list);
        ok1(c1.list.prev == &parent.children.raw.n);
+       ok1(tlist_next(&parent.children, &c1, list) == &c2);
+       ok1(tlist_next(&parent.children, &c2, list) == NULL);
+       ok1(tlist_prev(&parent.children, &c2, list) == &c1);
+       ok1(tlist_prev(&parent.children, &c1, list) == NULL);
        /* Test tlist_check */
        ok1(tlist_check(&parent.children, NULL));
 
@@ -69,6 +75,12 @@ int main(int argc, char *argv[])
        ok1(c2.list.prev == &c1.list);
        ok1(c3.list.next == &parent.children.raw.n);
        ok1(c3.list.prev == &c2.list);
+       ok1(tlist_next(&parent.children, &c1, list) == &c2);
+       ok1(tlist_next(&parent.children, &c2, list) == &c3);
+       ok1(tlist_next(&parent.children, &c3, list) == NULL);
+       ok1(tlist_prev(&parent.children, &c3, list) == &c2);
+       ok1(tlist_prev(&parent.children, &c2, list) == &c1);
+       ok1(tlist_prev(&parent.children, &c1, list) == NULL);
        /* Test tlist_check */
        ok1(tlist_check(&parent.children, NULL));