--- /dev/null
+# test that attr_readonly isn't called on the :taggable polymorphic association
+module Taggable
+end
+
+class Tagging < ActiveRecord::Base
+ belongs_to :tag, :include => :tagging
+ belongs_to :super_tag, :class_name => 'Tag', :foreign_key => 'super_tag_id'
+ belongs_to :invalid_tag, :class_name => 'Tag', :foreign_key => 'tag_id'
+ belongs_to :taggable, :polymorphic => true, :counter_cache => true
+end
\ No newline at end of file