# ruby2_keywords_hash_test.rb

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'minitest'
  gem 'ruby2_keywords'
end

require 'minitest/autorun'
require 'ruby2_keywords'

class Ruby2KeywordsHashTest < Minitest::Test
  def test_hash_is_ruby2_keywords_hash
    hash = Hash.ruby2_keywords_hash({ key_1: 1, key_2: 2 })
    assert ::Hash.ruby2_keywords_hash?(hash)
  end

  def test_hash_passed_in_to_object_constructor_is_ruby2_keywords_hash
    klass = Class.new do
      attr_reader :value
      def initialize(value)
        @value = value
      end
    end

    hash = Hash.ruby2_keywords_hash({ key_1: 1, key_2: 2 })
    object = klass.new(hash)
    assert ::Hash.ruby2_keywords_hash?(object.value)
  end

  def test_hash_passed_in_to_object_constructor_as_non_last_argument_is_ruby2_keywords_hash
    klass = Class.new do
      attr_reader :value1
      def initialize(value1, value2 = nil)
        @value1 = value1
      end
    end

    hash = Hash.ruby2_keywords_hash({ key_1: 1, key_2: 2 })
    object = klass.new(hash)
    assert ::Hash.ruby2_keywords_hash?(object.value1)
  end
end