Test added for namedscope target.

activerecord/test/cases/named_scope_test.rb

@@ -456,6 +456,14 @@ class NamedScopeTest < ActiveRecord::TestCase
     end
   end
 
+  def test_scopes_to_get_newest
+    post = posts(:welcome)
+    old_last_comment = post.comments.newest
+    new_comment = post.comments.create(:body => "My new comment")
+    assert_equal new_comment, post.comments.newest
+    assert_not_equal old_last_comment, post.comments.newest
+  end
+
   def test_scopes_are_reset_on_association_reload
     post = posts(:welcome)
 

activerecord/test/models/comment.rb

@@ -6,7 +6,8 @@ class Comment < ActiveRecord::Base
   scope :for_first_author,
               :joins => :post,
               :conditions => { "posts.author_id" => 1 }
-
+  scope :created
+  
   belongs_to :post, :counter_cache => true
   has_many :ratings
 

activerecord/test/models/post.rb

@@ -36,6 +36,10 @@ class Post < ActiveRecord::Base
     def find_most_recent
       find(:first, :order => "id DESC")
     end
+
+    def newest
+      created.last
+    end
   end
 
   has_many :author_favorites, :through => :author