diff --git a/tests/test-purge b/tests/test-purge
--- a/tests/test-purge
+++ b/tests/test-purge
@@ -69,11 +69,14 @@ ls
 ls directory/untracked_file
 rm directory/untracked_file
 
-echo % delete ignored files
+echo % skip ignored files if --all not specified
 touch ignored
 hg purge -p
 hg purge -v
 ls
+hg purge -p --all
+hg purge -v --all
+ls
 
 echo % abort with missing files until we support name mangling filesystems
 touch untracked_file