require 'spec_helper'

describe Immutable::Set do
  describe '#sample' do
    let(:set) { S.new(1..10) }

    it 'returns a randomly chosen item' do
      chosen = 100.times.map { set.sample }
      chosen.each { |item| set.include?(item).should == true }
      set.each { |item| chosen.include?(item).should == true }
    end
  end
end