BasicObject constant lookup

example_basic_object_constant_lookup.rb

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem "minitest"
end

require "minitest/assertions"

module TestHelpers
  def self.extended(base)
    base.extend Minitest::Assertions
    base.extend Counter
  end

  module Counter
    def assertions
      @assertions ||= 0
    end

    def assertions=(n)
      @assertions = n
    end
  end
end

extend TestHelpers

class MyBasicWithRelativePath < BasicObject
  def demo_raises_exception
    String.new("hello from basic object")
  end
end

class MyBasicWithAbsolutePath < BasicObject
  def demo_it_works
    ::String.new("hello from basic object")
  end
end

class MyObject < Object
  def demo_works_on_object
    String.new("hello from object")
  end
end

my_object = MyObject.new
puts my_object.demo_works_on_object

my_basic_object = MyBasicWithRelativePath.new
assert_raises(NameError) { my_basic_object.demo_raises_exception }

my_basic_object = MyBasicWithAbsolutePath.new
puts my_basic_object.demo_it_works