/**
* Add an item to the cart.
*
* @param CartItem $cartItem
*/
public function add(CartItem $cartItem)
{
$itemId = $cartItem->getId();
// if item already exists in the cart, just update the quantity,
// otherwise add it as a new item
if ($this->has($itemId)) {
$existingItem = $this->find($itemId);
$existingItem->quantity += $cartItem->quantity;
} else {
$this->items[] = $cartItem;
}
}
public function testGettingIdPropertyReturnsItemId()
{
$item = new CartItem();
$this->assertSame($item->getId(), $item->id);
}
