Remove `.superclass_delegating_accessor`. Refer #14271

1 files changed, 0 insertions, 122 deletions

diff --git a/activesupport/test/core_ext/class/delegating_attributes_test.rb b/activesupport/test/core_ext/class/delegating_attributes_test.rb
deleted file mode 100644
index 447b1d10ad..0000000000
--- a/activesupport/test/core_ext/class/delegating_attributes_test.rb
+++ /dev/null
@@ -1,122 +0,0 @@
-require 'abstract_unit'
-require 'active_support/core_ext/class/delegating_attributes'
-
-module DelegatingFixtures
-  class Parent
-  end
-
-  class Child < Parent
-    ActiveSupport::Deprecation.silence do
-      superclass_delegating_accessor :some_attribute
-    end
-  end
-
-  class Mokopuna < Child
-  end
-
-  class PercysMom
-    ActiveSupport::Deprecation.silence do
-      superclass_delegating_accessor :superpower
-    end
-  end
-
-  class Percy < PercysMom
-  end
-end
-
-class DelegatingAttributesTest < ActiveSupport::TestCase
-  include DelegatingFixtures
-  attr_reader :single_class
-
-  def setup
-    @single_class = Class.new(Object)
-  end
-
-  def test_simple_accessor_declaration
-    assert_deprecated do
-      single_class.superclass_delegating_accessor :both
-    end
-
-    # Class should have accessor and mutator
-    # the instance should have an accessor only
-    assert_respond_to single_class, :both
-    assert_respond_to single_class, :both=
-    assert single_class.public_instance_methods.map(&:to_s).include?("both")
-    assert !single_class.public_instance_methods.map(&:to_s).include?("both=")
-  end
-
-  def test_simple_accessor_declaration_with_instance_reader_false
-    _instance_methods = single_class.public_instance_methods
-
-    assert_deprecated do
-      single_class.superclass_delegating_accessor :no_instance_reader, :instance_reader => false
-    end
-
-    assert_respond_to single_class, :no_instance_reader
-    assert_respond_to single_class, :no_instance_reader=
-    assert !_instance_methods.include?(:no_instance_reader)
-    assert !_instance_methods.include?(:no_instance_reader?)
-    assert !_instance_methods.include?(:_no_instance_reader)
-  end
-
-  def test_working_with_simple_attributes
-    assert_deprecated do
-      single_class.superclass_delegating_accessor :both
-    end
-
-    single_class.both = "HMMM"
-
-    assert_equal "HMMM", single_class.both
-    assert_equal true, single_class.both?
-
-    assert_equal "HMMM", single_class.new.both
-    assert_equal true, single_class.new.both?
-
-    single_class.both = false
-    assert_equal false, single_class.both?
-  end
-
-  def test_child_class_delegates_to_parent_but_can_be_overridden
-    parent = Class.new
-
-    assert_deprecated do
-      parent.superclass_delegating_accessor :both
-    end
-
-    child = Class.new(parent)
-    parent.both = "1"
-    assert_equal "1", child.both
-
-    child.both = "2"
-    assert_equal "1", parent.both
-    assert_equal "2", child.both
-
-    parent.both = "3"
-    assert_equal "3", parent.both
-    assert_equal "2", child.both
-  end
-
-  def test_delegation_stops_at_the_right_level
-    assert_nil Percy.superpower
-    assert_nil PercysMom.superpower
-
-    PercysMom.superpower = :heatvision
-    assert_equal :heatvision, Percy.superpower
-  end
-
-  def test_delegation_stops_for_nil
-    Mokopuna.some_attribute = nil
-    Child.some_attribute="1"
-
-    assert_equal "1", Child.some_attribute
-    assert_nil Mokopuna.some_attribute
-  ensure
-    Child.some_attribute=nil
-  end
-
-  def test_deprecation_warning
-    assert_deprecated(/superclass_delegating_accessor is deprecated/) do
-      single_class.superclass_delegating_accessor :test_attribute
-    end
-  end
-end