public void AddFunds_DenominationNotNull_UpdatesAvailableFunds()
{
foreach (var denomination in Denomination.GetAll())
{
AddRandomFunds();
var originalFunds = _transactionHandler.AvailableFunds;
_transactionHandler.AddFunds(denomination);
var priceDifference = _transactionHandler.AvailableFunds - originalFunds;
Assert.AreEqual(denomination.Value, priceDifference);
_transactionHandler.CompleteOrder();
}
}
private void btnComplete_Click(object sender, EventArgs e)
{
var change = _transactionHandler.CompleteOrder();
UpdateCurrentPayment();
UpdateOrder();
ClearAddCoffeeForm();
SetStatus();
var message = "Have a nice day!";
if (change > 0)
{
message = $"Your change is: {change:C}\n\n{message}";
}
MessageBox.Show(message, "Thank you!");
}