diff -r ce625185cfd9 -r 01cc267fc105 tests/test-fileset.t
--- a/tests/test-fileset.t	Wed Aug 15 22:29:32 2012 +0200
+++ b/tests/test-fileset.t	Wed Aug 15 19:25:45 2012 +0200
@@ -89,3 +89,11 @@
   $ fileset 'binary()'
   bin
 
+  $ fileset 'grep("b{1}")'
+  b2
+  c1
+  b1
+  $ fileset 'grep("missingparens(")'
+  hg: parse error: invalid match pattern: unbalanced parenthesis
+  [255]
+