require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require File.expand_path('../shared/iteration', __FILE__)
require File.expand_path('../shared/each', __FILE__)

describe "Hash#each_pair" do
  ruby_version_is ""..."1.9" do
=begin self
    it "returns self" do
      h = new_hash(1 => 2, 3 => 4)
      h.each_pair { |key, value|  }.should equal(h)
    end
=end
    
    it "yields the key and value of each pair to a block expecting |key, value|" do
      all_args = []

      h = new_hash(1 => 2, 3 => 4)
      h.each_pair { |key, value| all_args << [key, value] }

      all_args.sort.should == [[1, 2], [3, 4]]
    end

    it "yields a [key, value] Array for each pair to a block expecting |*args|" do
      all_args = []

      h = new_hash(1 => 2, 3 => 4)
      h.each_pair { |*args| all_args << args }

      all_args.sort.should == [[1, 2], [3, 4]]
    end
  end

  ruby_version_is "1.9" do
    it_behaves_like(:hash_each, :each_pair)
  end
  it_behaves_like(:hash_iteration_no_block, :each_pair)
end