add test for previous change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3581 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/pp.rb

@@ -549,6 +549,11 @@ if __FILE__ == $0
       assert_equal(a.inspect + "\n", PP.pp(a, ''))
     end
 
+    def test_anonymous
+      a = Class.new.new
+      assert_equal(a.inspect + "\n", PP.pp(a, ''))
+    end
+
     def test_withinspect
       a = []
       a << HasInspect.new(a)