rails--rails/activerecord/test/association_inheritance_reload.rb

require 'abstract_unit'
require 'fixtures/company'

class AssociationInheritanceReloadTest < Test::Unit::TestCase
  fixtures :companies

  def test_set_attributes
    assert_equal ["errors.add_on_empty('name', \"can't be empty\")"], Firm.read_inheritable_attribute("validate"), "Second run"
    # ActiveRecord::Base.reset_column_information_and_inheritable_attributes_for_all_subclasses
    remove_subclass_of(ActiveRecord::Base)
    load 'fixtures/company.rb'
    assert_equal ["errors.add_on_empty('name', \"can't be empty\")"], Firm.read_inheritable_attribute("validate"), "Second run"
  end
end