Pop\Graph\Graph::setPadding PHP Method

    public function setPadding($pad)
    {
        $this->padding = (int) $pad;
        return $this;
    }

 public function testSetPadding()
 {
     $g = new Graph($this->imageOptions);
     $g->setPadding(50);
     $this->assertEquals(50, $g->getPadding());
 }