1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_one_through_associations_test.rb b/activerecord/test/cases/associations/has_one_through_associations_test.rb
index 089cb0a3a2..f8772547a2 100644
--- a/activerecord/test/cases/associations/has_one_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_through_associations_test.rb
@@ -15,6 +15,7 @@ require 'models/essay'
 require 'models/owner'
 require 'models/post'
 require 'models/comment'
+require 'models/categorization'
 
 class HasOneThroughAssociationsTest < ActiveRecord::TestCase
   fixtures :member_types, :members, :clubs, :memberships, :sponsors, :organizations, :minivans,
@@ -289,6 +290,12 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase
     end
   end
 
+  def test_has_one_through_polymorphic_association
+    assert_raise(ActiveRecord::HasOneAssociationPolymorphicThroughError) do
+      @member.premium_club
+    end
+  end
+
   def test_has_one_through_belongs_to_should_update_when_the_through_foreign_key_changes
     minivan = minivans(:cool_first)