1 files changed, 16 insertions, 0 deletions

diff --git a/tests/filesys/extended/dir-rm-parent.c b/tests/filesys/extended/dir-rm-parent.c
new file mode 100644
index 0000000..eb43f5b
--- /dev/null
+++ b/tests/filesys/extended/dir-rm-parent.c
@@ -0,0 +1,16 @@
+/* Tries to remove a parent of the current directory.  This must
+   fail, because that directory is non-empty. */
+
+#include <syscall.h>
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void) 
+{
+  CHECK (mkdir ("a"), "mkdir \"a\"");
+  CHECK (chdir ("a"), "chdir \"a\"");
+  CHECK (mkdir ("b"), "mkdir \"b\"");
+  CHECK (chdir ("b"), "chdir \"b\"");
+  CHECK (!remove ("/a"), "remove \"/a\" (must fail)");
+}