public void ShouldNotAllowToWithdrawIfAtmOutOfMoney_SchemeLeastNumberOfItems()
{
AtmMoneyStore moneyStore = new AtmMoneyStore();
WithdrawalScheme withdrawal = new WithdrawalByLeastNumberOfItems(moneyStore);
Assert.Throws <OutOfMoneyException>(() => withdrawal.Withdraw(5000));
}
public void ShouldWithdrawReturningLeastNumberOfNotesOrCoins(double amountToWithdraw, double balance, params object[] denominations)
{
AtmMoneyStore moneyStore = new AtmMoneyStore();
IWithdrawal withdrawal = new WithdrawalByLeastNumberOfItems(moneyStore);
Cash cash = withdrawal.Withdraw(amountToWithdraw);
Assert.Equal(denominations.Length / 2, cash.CoinOrNotes.Count);
for (int i = 0; i < denominations.Length; i++)
{
if (i % 2 == 0)
{
var type = (DenominationType)denominations[i];
var count = (int)denominations[i + 1];
Assert.Equal(count, cash.CoinOrNotes.Find(c => c.Type == type)?.Count);
}
}
Assert.Equal(balance, moneyStore.GetBalance());
}