tal: new module.

[ccan] / ccan / tal / test / run-overflow.c

diff --git a/ccan/tal/test/run-overflow.c b/ccan/tal/test/run-overflow.c
new file mode 100644 (file)
index 0000000..dedeba3
--- /dev/null
+++ b/ccan/tal/test/run-overflow.c
@@ -0,0 +1,29 @@
+#include <ccan/tal/tal.h>
+#include <ccan/tal/tal.c>
+#include <ccan/tap/tap.h>
+
+static int error_count;
+
+static void my_error(const char *msg)
+{
+       error_count++;
+       ok1(strstr(msg, "overflow"));
+}
+
+int main(void)
+{
+       void *p;
+
+       plan_tests(6);
+
+       tal_set_backend(NULL, NULL, NULL, my_error);
+
+       p = tal_arr(NULL, int, (size_t)-1);
+       ok1(!p);
+       ok1(error_count == 1);
+
+       p = tal_arr(NULL, char, (size_t)-2);
+       ok1(!p);
+       ok1(error_count == 2);
+       return exit_status();
+}