tests/test-revset.t

--- a/tests/test-revset.t	Mon Jul 09 10:07:20 2018 -0400
+++ b/tests/test-revset.t	Mon Jun 18 19:41:54 2018 -0700
@@ -1041,6 +1041,28 @@
   2
   3
 
+test common ancestors
+
+  $ hg log -T '{rev}\n' -r 'commonancestors(7 + 9)'
+  0
+  1
+  2
+  4
+
+  $ hg log -T '{rev}\n' -r 'commonancestors(head())'
+  0
+  1
+  2
+  4
+
+  $ hg log -T '{rev}\n' -r 'commonancestors(9)'
+  0
+  1
+  2
+  4
+  8
+  9
+
 test ancestors with depth limit
 
  (depth=0 selects the node itself)