Doctrine\MongoDB\Query\Expr::geoWithinPolygon PHP Method

    public function geoWithinPolygon()
    {
        if (func_num_args() < 3) {
            throw new InvalidArgumentException('Polygon must be defined by three or more points.');
        }
        $shape = ['$polygon' => func_get_args()];
        return $this->operator('$geoWithin', $shape);
    }

 /**
  * @expectedException InvalidArgumentException
  */
 public function testGeoWithinPolygonRequiresAtLeastThreePoints()
 {
     $expr = new Expr();
     $expr->geoWithinPolygon(array(0, 0), array(1, 1));
 }