1 files changed, 13 insertions, 0 deletions
diff --git a/src/tests/userprog/open-missing.c b/src/tests/userprog/open-missing.c
new file mode 100644
index 0000000..13ecbda
--- /dev/null
+++ b/src/tests/userprog/open-missing.c
@@ -0,0 +1,13 @@
+/* Tries to open a nonexistent file. */
+
+#include <syscall.h>
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void) 
+{
+  int handle = open ("no-such-file");
+  if (handle != -1)
+    fail ("open() returned %d", handle);
+}