tal/autoptr: new module.

[ccan] / ccan / tal / autoptr / test / run.c

diff --git a/ccan/tal/autoptr/test/run.c b/ccan/tal/autoptr/test/run.c
new file mode 100644 (file)
index 0000000..33f1b04
--- /dev/null
+++ b/ccan/tal/autoptr/test/run.c
@@ -0,0 +1,49 @@
+#include <ccan/tal/autoptr/autoptr.h>
+/* Include the C files directly. */
+#include <ccan/tal/autoptr/autoptr.c>
+#include <ccan/tap/tap.h>
+
+int main(void)
+{
+       char *p1, *p2, *p3;
+       struct autonull *a;
+
+       /* This is how many tests you plan to run */
+       plan_tests(8);
+
+       p1 = tal(NULL, char);
+
+       // Sets p1 to point to p2.
+       autonull_set_ptr(NULL, &p2, p1);
+       ok1(p2 == p1);
+       tal_free(p1);
+       ok1(p2 == NULL);
+
+       // Using p1 as the parent is the same. */
+       p1 = tal(NULL, char);
+       autonull_set_ptr(p1, &p2, p1);
+       ok1(p2 == p1);
+       tal_free(p1);
+       ok1(p2 == NULL);
+
+       // Freeing autodata deactivates it.
+       p1 = tal(NULL, char);
+       a = autonull_set_ptr(NULL, &p2, p1);
+       ok1(p2 == p1);
+       tal_free(a);
+       tal_free(p1);
+       ok1(p2 == p1);
+
+       // Making p3 the parent means freeing p3 deactivates it.
+       p3 = tal(NULL, char);
+       p1 = tal(NULL, char);
+       autonull_set_ptr(p3, &p2, p1);
+       ok1(p2 == p1);
+       tal_free(p3);
+       tal_free(p1);
+       ok1(p2 == p1);
+
+
+       /* This exits depending on whether all tests passed */
+       return exit_status();
+}