--- a/tests/test-evolve.t	Thu Mar 09 22:57:41 2017 -0800
+++ b/tests/test-evolve.t	Fri Mar 10 10:36:46 2017 -0800
@@ -169,6 +169,14 @@
   fbb94e3a0ecf6d20c2cc31152ef162ce45af982f * (glob)
   e44648563c73f75950076031c6fdf06629de95f1 * (glob)
 
+Smoketest stablerange.obshash:
+
+  $ hg debugstablerange --rev 'head()'
+  rev         node index size depth      obshash
+    1 7c3bad9141dc     0    2     2 * (glob)
+    0 1f0dee641bb7     0    1     1 000000000000
+    1 7c3bad9141dc     1    1     2 * (glob)
+
   $ cd ..
 
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