3 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/test/models/company.rb b/activerecord/test/models/company.rb
index 67936e8e5d..a96b8ef0f2 100644
--- a/activerecord/test/models/company.rb
+++ b/activerecord/test/models/company.rb
@@ -86,6 +86,9 @@ class Firm < Company
 
   has_many :association_with_references, -> { references(:foo) }, :class_name => 'Client'
 
+  has_one :lead_developer, class_name: "Developer"
+  has_many :projects
+
   def log
     @log ||= []
   end
diff --git a/activerecord/test/models/developer.rb b/activerecord/test/models/developer.rb
index 7565e8f967..7c5941b1af 100644
--- a/activerecord/test/models/developer.rb
+++ b/activerecord/test/models/developer.rb
@@ -54,6 +54,9 @@ class Developer < ActiveRecord::Base
   has_many :ratings, through: :comments
   has_one :ship, dependent: :nullify
 
+  belongs_to :firm
+  has_many :contracted_projects, class_name: "Project"
+
   scope :jamises, -> { where(:name => 'Jamis') }
 
   validates_inclusion_of :salary, :in => 50000..200000
diff --git a/activerecord/test/models/project.rb b/activerecord/test/models/project.rb
index 7f42a4b1f8..5328330653 100644
--- a/activerecord/test/models/project.rb
+++ b/activerecord/test/models/project.rb
@@ -11,6 +11,8 @@ class Project < ActiveRecord::Base
                             :before_remove => Proc.new {|o, r| o.developers_log << "before_removing#{r.id}"},
                             :after_remove => Proc.new {|o, r| o.developers_log << "after_removing#{r.id}"}
   has_and_belongs_to_many :well_payed_salary_groups, -> { group("developers.salary").having("SUM(salary) > 10000").select("SUM(salary) as salary") }, :class_name => "Developer"
+  belongs_to :firm
+  has_one :lead_developer, through: :firm, inverse_of: :contracted_projects
 
   attr_accessor :developers_log
   after_initialize :set_developers_log