prime benchmark

prime_benchmark.rb

require './prime.rb' # user defined function
require 'benchmark'
require 'digest/md5'

result = {
  4 => 'ae5161e4645f5cd58897d32f529f3ad5',
  5 => 'cf7b5007830f057a04d2b696527952e7',
  6 => 'a43beaed59a26b8d85868eaa8fa2e972',
  7 => 'c1aa9bda24aa8bc5473ca1f51c9fd106'
}


Benchmark.bm do |x| 
  (4..6).each do |i|
     x.report(10**i){ raise "wrong!" if Digest::MD5.hexdigest( prime(10**i).join(' ') )!= result[i] }
  end
end