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#include <ccan/tal/link/link.c>
#include <ccan/tap/tap.h>
#include <stdlib.h>
#include <err.h>
static unsigned int destroy_count = 0;
static void destroy_obj(void *obj)
{
destroy_count++;
}
int main(int argc, char *argv[])
{
char *linkable, *p1, *p2, *p3;
void **voidpp;
plan_tests(23);
linkable = tal(NULL, char);
ok1(tal_linkable(linkable) == linkable);
ok1(tal_add_destructor(linkable, destroy_obj));
/* First, free it immediately. */
tal_free(linkable);
ok1(destroy_count == 1);
/* Now create and remove a single link. */
linkable = tal_linkable(tal(NULL, char));
ok1(tal_add_destructor(linkable, destroy_obj));
ok1(p1 = tal_link(NULL, linkable));
ok1(p1 == linkable);
tal_delink(NULL, linkable);
ok1(destroy_count == 2);
/* Two links.*/
linkable = tal_linkable(tal(NULL, char));
ok1(tal_add_destructor(linkable, destroy_obj));
ok1(p1 = tal_link(NULL, linkable));
ok1(p1 == linkable);
ok1(p2 = tal_link(NULL, linkable));
ok1(p2 == linkable);
tal_delink(NULL, linkable);
tal_delink(NULL, linkable);
ok1(destroy_count == 3);
/* Three links.*/
linkable = tal_linkable(tal(NULL, char));
ok1(tal_add_destructor(linkable, destroy_obj));
ok1(p1 = tal_link(NULL, linkable));
ok1(p1 == linkable);
ok1(p2 = tal_link(NULL, linkable));
ok1(p2 == linkable);
ok1(p3 = tal_link(NULL, linkable));
ok1(p3 == linkable);
tal_delink(NULL, linkable);
tal_delink(NULL, linkable);
tal_delink(NULL, linkable);
ok1(destroy_count == 4);
/* Now, indirectly. */
voidpp = tal(NULL, void *);
linkable = tal_linkable(tal(NULL, char));
ok1(tal_add_destructor(linkable, destroy_obj));
/* Suppress gratuitous warning with tests_compile_without_features */
#if HAVE_STATEMENT_EXPR
tal_link(voidpp, linkable);
#else
(void)tal_link(voidpp, linkable);
#endif
tal_free(voidpp);
ok1(destroy_count == 5);
return exit_status();
}
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