--- a/tests/test-revset.t Sat Jan 10 13:14:00 2015 +0900
+++ b/tests/test-revset.t Sun Jan 25 20:20:27 2015 +0900
@@ -477,6 +477,10 @@
hg: parse error: rev expects a number
[255]
+Test null revision
+ $ log 'ancestors(null)'
+ -1
+
$ log 'outgoing()'
8
9