code: function(count) {
        var me = this;
  
        // Make sure calibration tests have run
        if (!me.isCalibration && Test.calibrate(function() {me.run(count);})) return;
        this.error = null;
  
        try {
          var start, f = this.f, now, i = count;
  
          // Start the timer
          start = new Date();
  
          // Now for the money shot.  If this is a looping function ...
          if (this.loopArg) {
            // ... let it do the iteration itself
            f(count);
          } else {
            // ... otherwise do the iteration for it
            while (i--) f();
          }
  
          // Get time test took (in secs)
          this.time = Math.max(1,new Date() - start)/1000;
  
          // Store iteration count and per-operation time taken
          this.count = count;
          this.period = this.time/count;
  
          // Do we need to do another run?
          this.running = this.time <= this.MIN_TIME;
  
          // ... if so, compute how many times we should iterate
          if (this.running) {
            // Bump the count to the nearest power of 2
            var x = this.MIN_TIME/this.time;
            var pow = Math.pow(2, Math.max(1, Math.ceil(Math.log(x)/Math.log(2))));
            count *= pow;
            if (count > this.MAX_COUNT) {
              throw new Error('Max count exceeded.  If this test uses a looping function, make sure the iteration loop is working properly.');
            }
          }
        } catch (e) {
          // Exceptions are caught and displayed in the test UI
          this.reset();
          this.error = e;
        }
  
        // Figure out what to do next
        if (this.running) {
          me.run(count);
        } else {
          jsl.status('');
          me.onStop(me);
        }
  
        // Finish up
        this.onChange(this);
      }
docs: The nuts and bolts code that actually runs a test