How to use

expected

function

in

Array

describe('setPreset', function() {
    it('should send the right preset recommended by Bosh for the BMM150 magnetometer to the device', function() {
      for(var i = 0; i< presets.length; i++) {
        magnetometer.setPreset(presets[i].preset);
        expect(device.send).toHaveBeenCalled();
        expect(device.buffers[0]).toEqual(presets[i].expected[0]);
        expect(device.buffers[1]).toEqual(presets[i].expected[1]);
        device.reset();
      }
    });
  });