From 1712d90050bd4b32a9ee93548b5eef05a69491f7 Mon Sep 17 00:00:00 2001
From: Jon Leighton <j@jonathanleighton.com>
Date: Tue, 12 Jul 2011 00:04:01 +0100
Subject: Fix exception if old and new targets are both nil. Fixes #1471.

---
 activerecord/test/models/comment.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'activerecord/test/models/comment.rb')

diff --git a/activerecord/test/models/comment.rb b/activerecord/test/models/comment.rb
index 43650c0427..88b139d931 100644
--- a/activerecord/test/models/comment.rb
+++ b/activerecord/test/models/comment.rb
@@ -7,10 +7,13 @@ class Comment < ActiveRecord::Base
               :joins => :post,
               :conditions => { "posts.author_id" => 1 }
   scope :created
-  
+
   belongs_to :post, :counter_cache => true
   has_many :ratings
 
+  has_many :children, :class_name => 'Comment', :foreign_key => :parent_id
+  belongs_to :parent, :class_name => 'Comment', :counter_cache => :children_count
+
   def self.what_are_you
     'a comment...'
   end
-- 
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