Merge pull request #2955 from dmitry/master

Polymorphic with optimistic lock and counter cache should be destroyed

1 files changed, 12 insertions, 0 deletions

diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb
index f7ee83998d..65cd9f9755 100644
--- a/activerecord/test/cases/locking_test.rb
+++ b/activerecord/test/cases/locking_test.rb
@@ -6,6 +6,9 @@ require 'models/reader'
 require 'models/legacy_thing'
 require 'models/reference'
 require 'models/string_key_object'
+require 'models/car'
+require 'models/engine'
+require 'models/wheel'
 
 class LockWithoutDefault < ActiveRecord::Base; end
 
@@ -224,6 +227,15 @@ class OptimisticLockingTest < ActiveRecord::TestCase
       assert_equal lock_version, p1.lock_version
     end
   end
+
+  def test_polymorphic_destroy_with_dependencies_and_lock_version
+    car = Car.create!
+    car.wheels << Wheel.create!
+    assert_equal 1, car.wheels.count
+    assert car.destroy
+    assert_equal 0, car.wheels.count
+    assert car.destroyed?
+  end
 end
 
 class OptimisticLockingWithSchemaChangeTest < ActiveRecord::TestCase