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-rw-r--r--activerecord/test/cases/locking_test.rb11
1 files changed, 7 insertions, 4 deletions
diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb
index 65cd9f9755..0c458d5318 100644
--- a/activerecord/test/cases/locking_test.rb
+++ b/activerecord/test/cases/locking_test.rb
@@ -230,10 +230,13 @@ class OptimisticLockingTest < ActiveRecord::TestCase
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_difference 'car.wheels.count' do
+ car.wheels << Wheel.create!
+ end
+ assert_difference 'car.wheels.count', -1 do
+ car.destroy
+ end
assert car.destroyed?
end
end