des tests

  before(:each) do
    @key = "0111111101001001110000101000001100011100000011101111010011101001".split("").map { |i| i.to_i }
    @text = "0101010101010101010101010101010101010101010101010101010101010101".split("").map { |i| i.to_i }
    @text_bitfield = BitField.new(@text)
    @right = @text_bitfield.right
    @left = @text_bitfield.left
    @keys = KeySchedule.sub_keys(@key)
  end


it "should xor expanded right with the first key" do
    @right.expand!
    puts @keys[0].join(" ") # => 1 1 0 0 1 1 0 1 1 0 0 0 1 0 0 1 0 1 1 0 1 0 1 0 0 0 0 1 1 1 1 0 1 0 1 0 1 0 1 0 0 0 1 0 1 0 0 1


    @keys[0].should == [1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1] # => Fails

    # fails here


    @right.xor(BitField.new(@keys[0])).field.should == [1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1]
  end