1 files changed, 28 insertions, 1 deletions
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb
index 1e5d1a0202..97efca7891 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -1,14 +1,19 @@
 require "cases/helper"
 require 'models/post'
 require 'models/person'
+require 'models/reference'
+require 'models/job'
 require 'models/reader'
 require 'models/comment'
 require 'models/tag'
 require 'models/tagging'
 require 'models/author'
+require 'models/owner'
+require 'models/pet'
+require 'models/toy'
 
 class HasManyThroughAssociationsTest < ActiveRecord::TestCase
-  fixtures :posts, :readers, :people, :comments, :authors
+  fixtures :posts, :readers, :people, :comments, :authors, :owners, :pets, :toys
 
   def test_associate_existing
     assert_queries(2) { posts(:thinking);people(:david) }
@@ -87,6 +92,24 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
     assert posts(:welcome).reload.people(true).empty?
   end
 
+  def test_destroy_association
+    assert_difference "Person.count", -1 do
+      posts(:welcome).people.destroy(people(:michael))
+    end
+
+    assert posts(:welcome).reload.people.empty?
+    assert posts(:welcome).people(true).empty?
+  end
+
+  def test_destroy_all
+    assert_difference "Person.count", -1 do
+      posts(:welcome).people.destroy_all
+    end
+
+    assert posts(:welcome).reload.people.empty?
+    assert posts(:welcome).people(true).empty?
+  end
+
   def test_replace_association
     assert_queries(4){posts(:welcome);people(:david);people(:michael); posts(:welcome).people(true)}
     
@@ -249,4 +272,8 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
     author.author_favorites.create(:favorite_author_id => 3)
     assert_equal post.author.author_favorites, post.author_favorites
   end
+
+  def test_has_many_association_through_a_has_many_association_with_nonstandard_primary_keys
+    assert_equal 1, owners(:blackbeard).toys.count
+  end
 end