aboutsummaryrefslogblamecommitdiffstats
path: root/activesupport/test/descendants_tracker_without_autoloading_test.rb
blob: 00b449af51965857f4131a6e1e14d3f3ee0fa82d (plain) (tree)
1
2
3
4
5
6
7
8
                       


                                            
                                                                        
                                     
 
                                                                         


                                                    


                                                                                                                               

       
   
require 'abstract_unit'
require 'active_support/descendants_tracker'
require 'descendants_tracker_test_cases'

class DescendantsTrackerWithoutAutoloadingTest < ActiveSupport::TestCase
  include DescendantsTrackerTestCases

  # Regression test for #8422. https://github.com/rails/rails/issues/8442
  def test_clear_without_autoloaded_singleton_parent
    mark_as_autoloaded do
      parent_instance = Parent.new
      parent_instance.singleton_class.descendants
      ActiveSupport::DescendantsTracker.clear
      assert !ActiveSupport::DescendantsTracker.class_variable_get(:@@direct_descendants).key?(parent_instance.singleton_class)
    end
  end
end