1 files changed, 2 insertions, 0 deletions
diff --git a/tests/trie.c b/tests/trie.c
index 65660a9..c2af18a 100644
--- a/tests/trie.c
+++ b/tests/trie.c
@@ -74,6 +74,8 @@ int main(void) {
 		size_t i = 0;
 		TRIE_FOR_EACH(&trie, leaf) {
 			assert(leaf == trie_find_str(&trie, keys[i]));
+			assert(!leaf->prev || leaf->prev->next == leaf);
+			assert(!leaf->next || leaf->next->prev == leaf);
 			++i;
 		}
 		assert(i == nkeys);