function it_does_nothing_if_target_quantity_is_below_0($orderItemUnitFactory, OrderItemInterface $orderItem)
{
$orderItem->getQuantity()->willReturn(3);
$orderItemUnitFactory->createForItem(Argument::any())->shouldNotBeCalled();
$orderItem->addUnit(Argument::any())->shouldNotBeCalled();
$orderItem->removeUnit(Argument::any())->shouldNotBeCalled();
$this->modify($orderItem, -10);
}
/**
* @param OrderItemInterface $orderItem
* @param int $decreaseBy
*/
private function decreaseUnitsNumber(OrderItemInterface $orderItem, $decreaseBy)
{
foreach ($orderItem->getUnits() as $unit) {
if (0 >= $decreaseBy--) {
break;
}
$orderItem->removeUnit($unit);
}
}