ruby Method#owner lies

output.txt

1.9.3
ChildClass#f,  owner: ParentClass, original_name:
ParentClass#f, owner: ParentClass, original_name:
ChildClass#g1,  owner: GrandparentClass, original_name:
ParentClass#g1, owner: GrandparentClass, original_name:
ChildClass#g2,  owner: ParentClass, original_name:
ParentClass#g2, owner: ParentClass, original_name:


2.0.0
ChildClass#f,  owner: ParentClass, original_name:
ParentClass#f, owner: ParentClass, original_name:
ChildClass#g1,  owner: GrandparentClass, original_name:
ParentClass#g1, owner: GrandparentClass, original_name:
ChildClass#g2,  owner: GrandparentClass, original_name:
ParentClass#g2, owner: GrandparentClass, original_name:


2.1.8
ChildClass#f,  owner: ParentClass, original_name: f
ParentClass#f, owner: ParentClass, original_name: f
ChildClass#g1,  owner: GrandparentClass, original_name: g1
ParentClass#g1, owner: GrandparentClass, original_name: g1
ChildClass#g2,  owner: GrandparentClass, original_name: g1
ParentClass#g2, owner: GrandparentClass, original_name: g1


2.2.4
ChildClass#f,  owner: ParentClass, original_name: f
ParentClass#f, owner: ParentClass, original_name: f
ChildClass#g1,  owner: GrandparentClass, original_name: g1
ParentClass#g1, owner: GrandparentClass, original_name: g1
ChildClass#g2,  owner: GrandparentClass, original_name: g1
ParentClass#g2, owner: GrandparentClass, original_name: g1


2.3.0
ChildClass#f,  owner: ParentClass, original_name: f
ParentClass#f, owner: ParentClass, original_name: f
ChildClass#g1,  owner: GrandparentClass, original_name: g1
ParentClass#g1, owner: GrandparentClass, original_name: g1
ChildClass#g2,  owner: ParentClass, original_name: g1
ParentClass#g2, owner: ParentClass, original_name: g1

owner_lies.rb

class GrandparentClass
  def g1
    1
  end
end

class ParentClass < GrandparentClass

  def f
    g2
  end

  alias g2 g1
end

class ChildClass < ParentClass
end


puts RUBY_VERSION
[:f, :g1, :g2].each do |m|
  method = ChildClass.new.method(m)
  puts "ChildClass##{m},  owner: #{method.owner}, original_name: #{method.original_name if method.respond_to?(:original_name)}"

  method = ParentClass.new.method(m)
  puts "ParentClass##{m}, owner: #{method.owner}, original_name: #{method.original_name if method.respond_to?(:original_name)}"
end