public void Buy_ReturSelectedItem(Item selectedItem)
{
//Arrange
//Act
var result = _vendingMachine.Buy(new Coin[] { Coin.Dollar, Coin.Dollar }, selectedItem);
//Asset
Assert.That(result.Item, Is.EqualTo(selectedItem));
}
public void SuccessfulOrderNoChange()
{
// Setup payment for test
payment.Add(new Coin(25, 1, "Quarter"));
// Setup order for test
order.Add(new Drink("Coke", 25, 1));
// Check that no change is returned and the inventory and register of vending machine are updated
Assert.IsNull(vendingMachine.Buy(payment, order));
Assert.AreEqual(0, vendingMachine.Inventory[0].Stock);
Assert.AreEqual(1, vendingMachine.Register[0].Amount);
}
