2 files changed, 12 insertions, 0 deletions
diff --git a/activerecord/test/models/company.rb b/activerecord/test/models/company.rb
index d4d5275b78..485b35d58b 100644
--- a/activerecord/test/models/company.rb
+++ b/activerecord/test/models/company.rb
@@ -204,4 +204,12 @@ end
 class VerySpecialClient < SpecialClient
 end
 
+class NewlyContractedCompany < Company
+  has_many :new_contracts, foreign_key: "company_id"
+
+  before_save do
+    self.new_contracts << NewContract.new
+  end
+end
+
 require "models/account"
diff --git a/activerecord/test/models/contract.rb b/activerecord/test/models/contract.rb
index f273badd85..3f663375c4 100644
--- a/activerecord/test/models/contract.rb
+++ b/activerecord/test/models/contract.rb
@@ -20,3 +20,7 @@ class Contract < ActiveRecord::Base
     @bye_count += 1
   end
 end
+
+class NewContract < Contract
+  validates :company_id, presence: true
+end