public function testRemove()
{
$card1 = new IdCard();
$card1->setRate(10);
$card2 = new IdCard();
$card2->setRate(90);
$box = new LuckyBox();
$box->add($card1);
$box->add($card2);
$box->remove($card1);
$rp = new \ReflectionProperty($box, 'cards');
$rp->setAccessible(true);
$this->assertEquals(array($card2), $rp->getValue($box));
$rp = new \ReflectionProperty($box, 'totalRate');
$rp->setAccessible(true);
$this->assertEquals(90, $rp->getValue($box));
}
