tests/test-branches

--- a/tests/test-branches	Sun Feb 07 11:38:36 2010 +0100
+++ b/tests/test-branches	Thu Feb 11 12:02:48 2010 -0200
@@ -36,6 +36,10 @@
 hg branch c
 hg commit -d '5 0' -m "Adding c branch"
 
+hg branch tip
+hg branch null
+hg branch .
+
 echo 'd' >d
 hg add d
 hg branch 'a branch name much longer than the default justification used by branches'