--- a/tests/test-grep.t	Fri Feb 08 18:26:35 2019 +0100
+++ b/tests/test-grep.t	Tue Feb 12 17:10:31 2019 -0500
@@ -517,5 +517,8 @@
   $ hg grep -r "0:2" "unmod" --all-files um
   um:0:unmod
   um:1:unmod
+  $ hg grep -r "0:2" "unmod" --all-files "glob:**/um" # Check that patterns also work
+  um:0:unmod
+  um:1:unmod
   $ cd ..