list: improve test coverage to 100%

[ccan] / ccan / list / test / run-list_del_from-assert.c

diff --git a/ccan/list/test/run-list_del_from-assert.c b/ccan/list/test/run-list_del_from-assert.c
new file mode 100644 (file)
index 0000000..05d6cad
--- /dev/null
+++ b/ccan/list/test/run-list_del_from-assert.c
@@ -0,0 +1,36 @@
+#define CCAN_LIST_DEBUG 1
+#include <ccan/list/list.h>
+#include <ccan/tap/tap.h>
+#include <ccan/list/list.c>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <signal.h>
+
+int main(int argc, char *argv[])
+{
+       struct list_head list1, list2;
+       struct list_node n1, n2, n3;
+       pid_t child;
+       int status;
+
+       plan_tests(1);
+       list_head_init(&list1);
+       list_head_init(&list2);
+       list_add(&list1, &n1);
+       list_add(&list2, &n2);
+       list_add_tail(&list2, &n3);
+
+       child = fork();
+       if (child) {
+               wait(&status);
+       } else {
+               /* This should abort. */
+               list_del_from(&list1, &n3);
+               exit(0);
+       }
+
+       ok1(WIFSIGNALED(status) && WTERMSIG(status) == SIGABRT);
+       list_del_from(&list2, &n3);
+       return exit_status();
+}