function emit(type) {
    var listeners,
        me = this,
        event = Event(type),
        events = me.events,
        args = (arguments[0] = event, arguments);

    event.currentTarget || (event.currentTarget = me);
    event.target || (event.target = me);
    delete event.result;

    if (events && (listeners = hasKey(events, event.type) && events[event.type])) {
      forEach(listeners.slice(), function(listener) {
        if ((event.result = listener.apply(me, args)) === false) {
          event.cancelled = true;
        }
        return !event.aborted;
      });
    }
    return event.result;
  }
Executes all registered listeners of the specified event type.

@memberOf Benchmark, Benchmark.Suite
@param {String|Object} type The event type or object.
@returns {Mixed} Returns the return value of the last listener executed.