--- a/tests/test-config.t	Tue Aug 26 04:58:41 2014 -0700
+++ b/tests/test-config.t	Thu Sep 04 09:59:23 2014 -0400
@@ -83,3 +83,8 @@
 
   $ hg showconfig unsettest
   unsettest.set-after-unset=should be set (.hg/hgrc)
+
+Test exit code when no config matches
+
+  $ hg config Section.idontexist
+  [1]