1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_case.rb b/test/ruby/test_case.rb
index 41a22038a0..af925d1ac8 100644
--- a/test/ruby/test_case.rb
+++ b/test/ruby/test_case.rb
@@ -45,5 +45,12 @@ class TestCase < Test::Unit::TestCase
     else
       assert(false)
     end
+
+    case "+"
+    when *%w/. +/
+      assert(true)
+    else
+      assert(false)
+    end
   end
 end