From ba81bc24e62d03cc0f4c05cf4e2b378696631568 Mon Sep 17 00:00:00 2001 From: Masataka Pocke Kuwabara Date: Fri, 10 Jul 2020 07:01:10 +0900 Subject: Add instance_methods to class generated by DelegateClass Also, make DelegateClass.instance_method fallback to superclass. Fixes [Bug #16982] --- test/test_delegate.rb | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'test/test_delegate.rb') diff --git a/test/test_delegate.rb b/test/test_delegate.rb index 4a3445f121..57480b18ea 100644 --- a/test/test_delegate.rb +++ b/test/test_delegate.rb @@ -106,6 +106,10 @@ class TestDelegateClass < Test::Unit::TestCase protected def parent_protected; end + + private + + def parent_private; end end class Child < DelegateClass(Parent) @@ -117,6 +121,10 @@ class TestDelegateClass < Test::Unit::TestCase protected def parent_protected_added; end + + private + + def parent_private_added; end end def test_public_instance_methods @@ -131,6 +139,32 @@ class TestDelegateClass < Test::Unit::TestCase assert_equal([:parent_protected, :parent_protected_added], (Child.new(Parent.new).protected_methods - ignores).sort) end + def test_instance_methods + ignores = Object.instance_methods | Delegator.instance_methods + assert_equal([:parent_protected, :parent_protected_added, :parent_public, :parent_public_added], (Child.instance_methods - ignores).sort) + assert_equal([:parent_protected, :parent_protected_added, :parent_public, :parent_public_added], (Child.new(Parent.new).methods - ignores).sort) + end + + def test_DelegateClass_instance_method + assert_instance_of UnboundMethod, Child.instance_method(:parent_public) + assert_instance_of UnboundMethod, Child.instance_method(:parent_public_added) + assert_instance_of UnboundMethod, Child.instance_method(:parent_protected) + assert_instance_of UnboundMethod, Child.instance_method(:parent_protected_added) + assert_raise(NameError) { Child.instance_method(:parent_private) } + assert_raise(NameError) { Child.instance_method(:parent_private_added) } + assert_instance_of UnboundMethod, Child.instance_method(:to_s) + end + + def test_DelegateClass_public_instance_method + assert_instance_of UnboundMethod, Child.public_instance_method(:parent_public) + assert_instance_of UnboundMethod, Child.public_instance_method(:parent_public_added) + assert_raise(NameError) { Child.public_instance_method(:parent_protected) } + assert_raise(NameError) { Child.public_instance_method(:parent_protected_added) } + assert_raise(NameError) { Child.instance_method(:parent_private) } + assert_raise(NameError) { Child.instance_method(:parent_private_added) } + assert_instance_of UnboundMethod, Child.public_instance_method(:to_s) + end + class IV < DelegateClass(Integer) attr_accessor :var -- cgit v1.2.1