Add explanatory comments to filesys tests.

[pintos-anon] / src / tests / filesys / extended / dir-rm-cwd.c

diff --git a/src/tests/filesys/extended/dir-rm-cwd.c b/src/tests/filesys/extended/dir-rm-cwd.c
index 3e6fc443807c8340e5d53f58a386331da2361665..7f81a0bef234c5e18030fda20dd0f34b77309f54 100644 (file)
--- a/src/tests/filesys/extended/dir-rm-cwd.c
+++ b/src/tests/filesys/extended/dir-rm-cwd.c
@@ -1,3 +1,8 @@
+/* Tries to remove the current directory.
+   This is allowed to succeed or fail.
+   Then creates a file in the root to make sure that we haven't
+   corrupted any directory state. */
+
 #include <syscall.h>
 #include "tests/lib.h"
 #include "tests/main.h"