+ destroy_count = 0;
+ parent = tal(NULL, char);
+ child = tal(parent, char);
+ ok1(tal_add_destructor(parent, destroy_parent));
+ ok1(tal_add_destructor(child, destroy_child));
+ ok1(tal_del_destructor(child, destroy_child));
+ tal_free(parent);
+ ok1(destroy_count == 1);
+
+ destroy_count = 0;