talloc: use failtest to test failure paths.

[ccan] / ccan / talloc / test / run-test_autofree.c

diff --git a/ccan/talloc/test/run-test_autofree.c b/ccan/talloc/test/run-test_autofree.c
new file mode 100644 (file)
index 0000000..0aa0c17
--- /dev/null
+++ b/ccan/talloc/test/run-test_autofree.c
@@ -0,0 +1,25 @@
+#include <ccan/talloc/talloc.c>
+#include <stdbool.h>
+#include <ccan/tap/tap.h>
+
+static int destroy_int(int *p)
+{
+       ok1(*p == 7);
+       _exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+       int *p;
+
+       /* If autofree context doesn't work, we won't run all tests! */
+       plan_tests(1);
+
+       p = talloc(talloc_autofree_context(), int);
+       *p = 7;
+       talloc_set_destructor(p, destroy_int);
+
+       /* Note!  We fail here, unless destructor called! */
+       exit(1);
+}
+