public override void Undo()
{
if (!Succeeded)
{
return;
}
transaction.Undo();
Undone = transaction.Undone;
base.Undo();
}
public void BuyTransaction_UndoProductPurchase_Success()
{
const decimal amount = 10;
Product product = Substitute.For <Product>("Milk", amount);
User user = Substitute.For <User>(userArgs);
user.Balance = amount;
BuyTransaction transaction = new BuyTransaction(user, product);
transaction.Execute();
transaction.Undo();
Assert.That(transaction.Undone, Is.True);
Assert.That(user.Balance, Is.EqualTo(amount));
}