17 files changed, 29 insertions, 13 deletions
diff --git a/activerecord/test/models/admin.rb b/activerecord/test/models/admin.rb
index 00e69fbed8..a38e3f4846 100644
--- a/activerecord/test/models/admin.rb
+++ b/activerecord/test/models/admin.rb
@@ -2,4 +2,4 @@ module Admin
   def self.table_name_prefix
     'admin_'
   end
-end
-\ No newline at end of file
+end
diff --git a/activerecord/test/models/admin/account.rb b/activerecord/test/models/admin/account.rb
index 46de28aae1..bd23192d20 100644
--- a/activerecord/test/models/admin/account.rb
+++ b/activerecord/test/models/admin/account.rb
@@ -1,3 +1,3 @@
 class Admin::Account < ActiveRecord::Base
   has_many :users
-end
-\ No newline at end of file
+end
diff --git a/activerecord/test/models/admin/randomly_named_c1.rb b/activerecord/test/models/admin/randomly_named_c1.rb
index 2f81d5b831..b64ae7fc41 100644
--- a/activerecord/test/models/admin/randomly_named_c1.rb
+++ b/activerecord/test/models/admin/randomly_named_c1.rb
@@ -1,3 +1,7 @@
-class Admin::ClassNameThatDoesNotFollowCONVENTIONS < ActiveRecord::Base
-  self.table_name = :randomly_named_table
+class Admin::ClassNameThatDoesNotFollowCONVENTIONS1 < ActiveRecord::Base
+  self.table_name = :randomly_named_table2
+end
+
+class Admin::ClassNameThatDoesNotFollowCONVENTIONS2 < ActiveRecord::Base
+  self.table_name = :randomly_named_table3
 end
diff --git a/activerecord/test/models/binary.rb b/activerecord/test/models/binary.rb
index 950c459199..39b2f5090a 100644
--- a/activerecord/test/models/binary.rb
+++ b/activerecord/test/models/binary.rb
@@ -1,2 +1,2 @@
 class Binary < ActiveRecord::Base
-end
-\ No newline at end of file
+end
diff --git a/activerecord/test/models/car.rb b/activerecord/test/models/car.rb
index db0f93f63b..81263b79d1 100644
--- a/activerecord/test/models/car.rb
+++ b/activerecord/test/models/car.rb
@@ -8,7 +8,7 @@ class Car < ActiveRecord::Base
   has_one :bulb
 
   has_many :tyres
-  has_many :engines, :dependent => :destroy
+  has_many :engines, :dependent => :destroy, inverse_of: :my_car
   has_many :wheels, :as => :wheelable, :dependent => :destroy
 
   scope :incl_tyres, -> { includes(:tyres) }
diff --git a/activerecord/test/models/company.rb b/activerecord/test/models/company.rb
index 5a56616eb9..6961f8fd6f 100644
--- a/activerecord/test/models/company.rb
+++ b/activerecord/test/models/company.rb
@@ -214,7 +214,7 @@ class Account < ActiveRecord::Base
   protected
 
   def check_empty_credit_limit
-    errors.add_on_empty "credit_limit"
+    errors.add("credit_limit", :blank) if credit_limit.blank?
   end
 
   private
diff --git a/activerecord/test/models/company_in_module.rb b/activerecord/test/models/company_in_module.rb
index dae102d12b..bf0a0d1c3e 100644
--- a/activerecord/test/models/company_in_module.rb
+++ b/activerecord/test/models/company_in_module.rb
@@ -91,7 +91,7 @@ module MyApplication
       protected
 
       def check_empty_credit_limit
-        errors.add_on_empty "credit_limit"
+        errors.add("credit_card", :blank) if credit_card.blank?
       end
     end
   end
diff --git a/activerecord/test/models/event.rb b/activerecord/test/models/event.rb
index 99fa0feeb7..365ab32b0b 100644
--- a/activerecord/test/models/event.rb
+++ b/activerecord/test/models/event.rb
@@ -1,3 +1,3 @@
 class Event < ActiveRecord::Base
   validates_uniqueness_of :title
-end
-\ No newline at end of file
+end
diff --git a/activerecord/test/models/guid.rb b/activerecord/test/models/guid.rb
index 9208dc28fa..05653ba498 100644
--- a/activerecord/test/models/guid.rb
+++ b/activerecord/test/models/guid.rb
@@ -1,2 +1,2 @@
 class Guid < ActiveRecord::Base
-end
-\ No newline at end of file
+end
diff --git a/activerecord/test/models/notification.rb b/activerecord/test/models/notification.rb
new file mode 100644
index 0000000000..b4b4b8f1b6
--- /dev/null
+++ b/activerecord/test/models/notification.rb
@@ -0,0 +1,2 @@
+class Notification < ActiveRecord::Base
+end
diff --git a/activerecord/test/models/pirate.rb b/activerecord/test/models/pirate.rb
index 366c70f902..30545bdcd7 100644
--- a/activerecord/test/models/pirate.rb
+++ b/activerecord/test/models/pirate.rb
@@ -89,4 +89,4 @@ class FamousPirate < ActiveRecord::Base
   self.table_name = 'pirates'
   has_many :famous_ships
   validates_presence_of :catchphrase, on: :conference
-end
-\ No newline at end of file
+end
diff --git a/activerecord/test/models/post.rb b/activerecord/test/models/post.rb
index 7b637c9e3f..052b1c9690 100644
--- a/activerecord/test/models/post.rb
+++ b/activerecord/test/models/post.rb
@@ -18,6 +18,7 @@ class Post < ActiveRecord::Base
   end
 
   scope :containing_the_letter_a, -> { where("body LIKE '%a%'") }
+  scope :titled_with_an_apostrophe, -> { where("title LIKE '%''%'") }
   scope :ranked_by_comments,      -> { order("comments_count DESC") }
 
   scope :limit_by, lambda {|l| limit(l) }
@@ -43,6 +44,8 @@ class Post < ActiveRecord::Base
   scope :tagged_with, ->(id) { joins(:taggings).where(taggings: { tag_id: id }) }
   scope :tagged_with_comment, ->(comment) { joins(:taggings).where(taggings: { comment: comment }) }
 
+  scope :typographically_interesting, -> { containing_the_letter_a.or(titled_with_an_apostrophe) }
+
   has_many   :comments do
     def find_most_recent
       order("id DESC").first
diff --git a/activerecord/test/models/randomly_named_c1.rb b/activerecord/test/models/randomly_named_c1.rb
index 18a86c4989..d4be1e13b4 100644
--- a/activerecord/test/models/randomly_named_c1.rb
+++ b/activerecord/test/models/randomly_named_c1.rb
@@ -1,3 +1,3 @@
 class ClassNameThatDoesNotFollowCONVENTIONS < ActiveRecord::Base
-  self.table_name = :randomly_named_table
+  self.table_name = :randomly_named_table1
 end
diff --git a/activerecord/test/models/ship.rb b/activerecord/test/models/ship.rb
index c2f6d492d8..312caef604 100644
--- a/activerecord/test/models/ship.rb
+++ b/activerecord/test/models/ship.rb
@@ -4,6 +4,7 @@ class Ship < ActiveRecord::Base
   belongs_to :pirate
   belongs_to :update_only_pirate, :class_name => 'Pirate'
   has_many :parts, :class_name => 'ShipPart'
+  has_many :treasures
 
   accepts_nested_attributes_for :parts, :allow_destroy => true
   accepts_nested_attributes_for :pirate, :allow_destroy => true, :reject_if => proc(&:empty?)
diff --git a/activerecord/test/models/ship_part.rb b/activerecord/test/models/ship_part.rb
index b6a8a506b4..05c65f8a4a 100644
--- a/activerecord/test/models/ship_part.rb
+++ b/activerecord/test/models/ship_part.rb
@@ -2,6 +2,7 @@ class ShipPart < ActiveRecord::Base
   belongs_to :ship
   has_many :trinkets, :class_name => "Treasure", :as => :looter
   accepts_nested_attributes_for :trinkets, :allow_destroy => true
+  accepts_nested_attributes_for :ship
 
   validates_presence_of :name
-end
-\ No newline at end of file
+end
diff --git a/activerecord/test/models/treasure.rb b/activerecord/test/models/treasure.rb
index a69d3fd3df..ffc65466d5 100644
--- a/activerecord/test/models/treasure.rb
+++ b/activerecord/test/models/treasure.rb
@@ -1,6 +1,7 @@
 class Treasure < ActiveRecord::Base
   has_and_belongs_to_many :parrots
   belongs_to :looter, :polymorphic => true
+  belongs_to :ship
 
   has_many :price_estimates, :as => :estimate_of
   has_and_belongs_to_many :rich_people, join_table: 'peoples_treasures', validate: false
diff --git a/activerecord/test/models/user.rb b/activerecord/test/models/user.rb
index 23cd2e0e1c..f5dc93e994 100644
--- a/activerecord/test/models/user.rb
+++ b/activerecord/test/models/user.rb
@@ -2,3 +2,7 @@ class User < ActiveRecord::Base
   has_secure_token
   has_secure_token :auth_token
 end
+
+class UserWithNotification < User
+  after_create -> { Notification.create! message: "A new user has been created." }
+end