X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;ds=sidebyside;f=ccan%2Ftal%2Ftest%2Frun-free.c;h=37d03cd6ff4cbd0233950f0808129e939f9975e1;hb=9d2d2c49f053018724bcc6e37029da10b7c3d60d;hp=29aa8c6f49dacf462300f41eda207b414c29ea95;hpb=8cf5b6208cad807228a69d695e6521122d4b71da;p=ccan

diff --git a/ccan/tal/test/run-free.c b/ccan/tal/test/run-free.c
index 29aa8c6f..37d03cd6 100644
--- a/ccan/tal/test/run-free.c
+++ b/ccan/tal/test/run-free.c
@@ -2,8 +2,10 @@
 #include <ccan/tal/tal.c>
 #include <ccan/tap/tap.h>
 
-static void destroy_errno(char *p)
+static void destroy_errno(char *p UNNEEDED)
 {
+	/* Errno restored for all the destructors. */
+	ok1(errno == EINVAL);
 	errno = ENOENT;
 }
 
@@ -11,10 +13,11 @@ int main(void)
 {
 	char *p;
 
-	plan_tests(2);
+	plan_tests(5);
 
 	p = tal(NULL, char);
 	ok1(tal_add_destructor(p, destroy_errno));
+	ok1(tal_add_destructor(p, destroy_errno));
 
 	/* Errno save/restored across free. */
 	errno = EINVAL;