1 files changed, 13 insertions, 0 deletions
diff --git a/src/tests/filesys/extended/dir-rm-root.c b/src/tests/filesys/extended/dir-rm-root.c
new file mode 100644
index 0000000..c47f1eb
--- /dev/null
+++ b/src/tests/filesys/extended/dir-rm-root.c
@@ -0,0 +1,13 @@
+/* Try to remove the root directory.
+   This must fail. */
+
+#include <syscall.h>
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void) 
+{
+  CHECK (!remove ("/"), "remove \"/\" (must fail)");
+  CHECK (create ("/a", 243), "create \"/a\"");
+}