Treffynnon\Navigator::distanceFactory PHP Method

    public static function distanceFactory($lat1, $long1, $lat2, $long2)
    {
        $point1 = new L(new C($lat1), new C($long1));
        $point2 = new L(new C($lat2), new C($long2));
        return new D($point1, $point2);
    }

 /**
  * @dataProvider pointsDataProvider 
  */
 public function testDistanceFactory($lat1, $long1, $lat2, $long2)
 {
     $Distance = N::distanceFactory($lat1, $long1, $lat2, $long2);
     $this->assertInstanceOf('Treffynnon\\Navigator\\Distance', $Distance);
 }