--- a/tests/test-topic.t	Fri Jun 19 16:16:42 2015 -0500
+++ b/tests/test-topic.t	Fri Jun 19 16:23:29 2015 -0500
@@ -571,3 +571,16 @@
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     start on fran
   |
+
+Clear and amend:
+
+  $ hg topic --clear
+  $ hg ci --amend
+  $ hg log -r .
+  changeset:   18:a13639e22b65
+  tag:         tip
+  parent:      13:d91cd8fd490e
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     fran?
+