--- a/tests/test-exchange-B4.t	Thu Mar 09 22:57:41 2017 -0800
+++ b/tests/test-exchange-B4.t	Fri Mar 10 10:36:46 2017 -0800
@@ -67,6 +67,18 @@
   
   $ hg debugobsolete
   7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
+  $ hg debugobsrelsethashtree
+  a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04 1900882e85db10a1dc5bc7748f436a8a834356c6
+  f5bc6836db60e308a17ba08bf050154ba9c4fad7 c27e764c783f451ef3aa40daf2a3795e6674cd06
+  f6fbb35d8ac958bbe70035e4c789c18471cdc0af 907beff79fdff2b82b5d3bed7989107a6d744508
+  7f7f229b13a629a5b20581c6cb723f4e2ca54bed c27e764c783f451ef3aa40daf2a3795e6674cd06
+  $ hg debugstablerange --rev 'head()'
+  rev         node index size depth      obshash
+    2 f6fbb35d8ac9     0    3     3 000000000000
+    1 f5bc6836db60     0    2     2 000000000000
+    0 a9bdc8b26820     0    1     1 1900882e85db
+    1 f5bc6836db60     1    1     2 000000000000
+    2 f6fbb35d8ac9     2    1     3 000000000000
   $ cd ..
   $ cd ..