// Bring ben to local and remove one more dependancy.
// The package ben has either way not been updated in over 10 years.
// https://github.com/substack/node-ben

var ben = module.exports = function (times, cb) {
  if (typeof times === 'function') {
      cb = times;
      times = 10000;
  }
  
  var t0 = Date.now();
  for (var i = 0; i < times; i++) {
      cb();
  }
  var elapsed = Date.now() - t0;
  
  return elapsed / times;
};
ben.sync = ben;

ben.async = function (times, cb, resultCb) {
  if (typeof times === 'function') {
      resultCb = cb;
      cb = times;
      times = 100;
  }
  
  var pending = times;
  var t = Date.now();
  var elapsed = 0;
  
  cb(function fn () {
      elapsed += Date.now() - t;
      
      if (--pending === 0) {
          resultCb(elapsed / times);
      }
      else {
          t = Date.now();
          cb(fn);
      }
  });
};