diff -r 9f840d99054c -r af854b1b36f8 tests/test-command-template.t
--- a/tests/test-command-template.t	Sat Aug 20 18:15:19 2016 +0900
+++ b/tests/test-command-template.t	Fri Aug 19 18:26:04 2016 +0900
@@ -3503,6 +3503,9 @@
   hg: parse error: shortest() expects an integer minlength
   [255]
 
+  $ hg log -r 'wdir()' -T '{node|shortest}\n'
+  ffff
+
   $ cd ..
 
 Test shortest(node) with the repo having short hash collision: