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

describe "Hash#sort" do
  it "converts self to a nested array of [key, value] arrays and sort with Array#sort" do
    { 'a' => 'b', '1' => '2', 'b' => 'a' }.sort.should ==
      [["1", "2"], ["a", "b"], ["b", "a"]]
  end

  it "works when some of the keys are themselves arrays" do
    { [1,2] => 5, [1,1] => 5 }.sort.should == [[[1,1],5], [[1,2],5]]
  end

  it "uses block to sort array if passed a block" do
    { 1 => 2, 2 => 9, 3 => 4 }.sort { |a,b| b <=> a }.should == [[3, 4], [2, 9], [1, 2]]
  end
end