--- a/tests/test-annotate.t Mon Jan 09 15:25:52 2017 +0900
+++ b/tests/test-annotate.t Mon Jan 09 16:02:56 2017 +0900
@@ -582,6 +582,15 @@
$ hg up 23 --quiet
check error cases
+ $ hg log -r 'followlines()'
+ hg: parse error: followlines takes at least 1 positional arguments
+ [255]
+ $ hg log -r 'followlines(baz)'
+ hg: parse error: followlines takes at least three arguments
+ [255]
+ $ hg log -r 'followlines(baz, 1)'
+ hg: parse error: followlines takes at least three arguments
+ [255]
$ hg log -r 'followlines(baz, 1, 2, rev=desc("b"))'
hg: parse error: followlines expects exactly one revision
[255]