Fixed that association proxies would fail === tests like PremiumSubscription...

Fixed that association proxies would fail === tests like PremiumSubscription === @account.subscription

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@476 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* Fixed that association proxies would fail === tests like PremiumSubscription === @account.subscription
+
 * Fixed that column aliases didn't work as expected with the new MySql411 driver #507 [Demetrius]
 
 * Fixed that find_all would produce invalid sql when called sequentialy #490 [Scott Baron]

activerecord/lib/active_record/base.rb

@@ -598,6 +598,11 @@ def benchmark(title)
         return result
       end
 
+      # Overwrite the default class equality method to provide support for association proxies.
+      def ===(object)
+        object.is_a?(self)
+      end
+
       private
         # Finder methods must instantiate through this method to work with the single-table inheritance model
         # that makes it possible to create objects of different types from the same table.

activerecord/test/associations_test.rb

@@ -74,6 +74,10 @@ def test_has_one
     assert_equal Account.find(1).credit_limit, @signals37.account.credit_limit
   end
 
+  def test_triple_equality
+    assert Account === @signals37.account
+  end
+
   def test_type_mismatch
     assert_raises(ActiveRecord::AssociationTypeMismatch) { @signals37.account = 1 }
     assert_raises(ActiveRecord::AssociationTypeMismatch) { @signals37.account = Project.find(1) }