--- a/tests/test-histedit-revspec.t	Mon Oct 15 00:05:16 2012 +0200
+++ b/tests/test-histedit-revspec.t	Sun Oct 14 23:58:02 2012 +0200
@@ -60,3 +60,10 @@
   #
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
+Run on a revision not ancestors of the current working directory.
+
+  $ hg up 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg histedit -r 4
+  nothing to edit
+  [1]