diff -r f48cd2f48d14 -r 85ec2a55fe7c tests/test-evolve.t
--- a/tests/test-evolve.t	Mon Jun 30 13:37:15 2014 -0400
+++ b/tests/test-evolve.t	Mon Jun 30 13:38:49 2014 -0400
@@ -619,6 +619,12 @@
   $ hg fold .
   single revision specified, nothing to fold
   [1]
+  $ hg fold 0::10 --rev 1 --exact
+  abort: cannot fold non-linear revisions (multiple heads given)
+  [255]
+  $ hg fold -r 4 -r 6 --exact
+  abort: cannot fold non-linear revisions (multiple roots given)
+  [255]
   $ hg fold 10 1
   abort: cannot fold non-linear revisions
   (given revisions are unrelated to parent of working directory)