1 files changed, 21 insertions, 1 deletions
diff --git a/activerecord/test/associations_test.rb b/activerecord/test/associations_test.rb
index 6b5b8a8d70..b87089b8ec 100755
--- a/activerecord/test/associations_test.rb
+++ b/activerecord/test/associations_test.rb
@@ -7,6 +7,7 @@ require 'fixtures/reply'
 require 'fixtures/computer'
 require 'fixtures/customer'
 require 'fixtures/order'
+require 'fixtures/category'
 require 'fixtures/post'
 require 'fixtures/author'
 
@@ -1080,7 +1081,7 @@ end
 
 
 class HasAndBelongsToManyAssociationsTest < Test::Unit::TestCase
-  fixtures :accounts, :companies, :developers, :projects, :developers_projects
+  fixtures :accounts, :companies, :categories, :posts, :categories_posts, :developers, :projects, :developers_projects
   
   def test_has_and_belongs_to_many
     david = Developer.find(1)
@@ -1469,6 +1470,25 @@ class HasAndBelongsToManyAssociationsTest < Test::Unit::TestCase
       AND developer_id = #{developer.id}
     end_sql
   end
+  
+  def test_updating_attributes_on_non_rich_associations
+    welcome = categories(:technology).posts.first
+    welcome.title = "Something else"
+    assert welcome.save!
+  end
+  
+  def test_updating_attributes_on_rich_associations
+    david = projects(:action_controller).developers.first
+    david.name = "DHH"
+    assert_raises(ActiveRecord::ReadOnlyRecord) { david.save! }
+  end
+
+  
+  def test_updating_attributes_on_rich_associations_with_limited_find
+    david = projects(:action_controller).developers.find(:all, :select => "developers.*").first
+    david.name = "DHH"
+    assert david.save!
+  end
 
   def test_join_table_alias
     assert_equal 3, Developer.find(:all, :include => {:projects => :developers}, :conditions => 'developers_projects_join.joined_on IS NOT NULL').size