--- a/tests/test-command-template.t	Sat Jun 20 19:59:26 2015 -0400
+++ b/tests/test-command-template.t	Sat Jun 20 23:13:34 2015 +0900
@@ -2527,6 +2527,9 @@
   Rev: 0
   Ancestor: 0
   
+  $ hg log --template '{revset("TIP"|lower)}\n' -l1
+  2
+
 Test current bookmark templating
 
   $ hg book foo