7 files changed, 18 insertions, 0 deletions
diff --git a/activerecord/test/models/category.rb b/activerecord/test/models/category.rb
index 7da39a8e33..272223e1d8 100644
--- a/activerecord/test/models/category.rb
+++ b/activerecord/test/models/category.rb
@@ -22,6 +22,7 @@ class Category < ActiveRecord::Base
   end
 
   has_many :categorizations
+  has_many :special_categorizations
   has_many :post_comments, :through => :posts, :source => :comments
 
   has_many :authors, :through => :categorizations
diff --git a/activerecord/test/models/college.rb b/activerecord/test/models/college.rb
index c7495d7deb..501af4a8dd 100644
--- a/activerecord/test/models/college.rb
+++ b/activerecord/test/models/college.rb
@@ -1,5 +1,10 @@
 require_dependency 'models/arunit2_model'
+require 'active_support/core_ext/object/with_options'
 
 class College < ARUnit2Model
   has_many :courses
+
+  with_options dependent: :destroy do |assoc|
+    assoc.has_many :students, -> { where(active: true) }
+  end
 end
diff --git a/activerecord/test/models/column.rb b/activerecord/test/models/column.rb
new file mode 100644
index 0000000000..499358b4cf
--- /dev/null
+++ b/activerecord/test/models/column.rb
@@ -0,0 +1,3 @@
+class Column < ActiveRecord::Base
+  belongs_to :record
+end
diff --git a/activerecord/test/models/movie.rb b/activerecord/test/models/movie.rb
index c441be2bef..0302abad1e 100644
--- a/activerecord/test/models/movie.rb
+++ b/activerecord/test/models/movie.rb
@@ -1,3 +1,5 @@
 class Movie < ActiveRecord::Base
   self.primary_key = "movieid"
+
+  validates_presence_of :name
 end
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index faf539a562..099e039255 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -149,6 +149,10 @@ class Post < ActiveRecord::Base
     ranked_by_comments.limit_by(limit)
   end
 
+  def self.written_by(author)
+    where(id: author.posts.pluck(:id))
+  end
+
   def self.reset_log
     @log = []
   end
diff --git a/activerecord/test/models/record.rb b/activerecord/test/models/record.rb
new file mode 100644
index 0000000000..f77ac9fc03
--- /dev/null
+++ b/activerecord/test/models/record.rb
@@ -0,0 +1,2 @@
+class Record < ActiveRecord::Base
+end
diff --git a/activerecord/test/models/student.rb b/activerecord/test/models/student.rb
index f459f2a9a3..28a0b6c99b 100644
--- a/activerecord/test/models/student.rb
+++ b/activerecord/test/models/student.rb
@@ -1,3 +1,4 @@
 class Student < ActiveRecord::Base
   has_and_belongs_to_many :lessons
+  belongs_to :college
 end