1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_case.rb b/test/ruby/test_case.rb
index 0123e7422..f9f16d55a 100644
--- a/test/ruby/test_case.rb
+++ b/test/ruby/test_case.rb
@@ -46,6 +46,13 @@ class TestCase < Test::Unit::TestCase
     else
       assert(false)
     end
+
+    case "+"
+    when *%w/. +/
+      assert(true)
+    else
+      assert(false)
+    end
   end
 
   def test_deoptimization