public void AddMoneyToCard(PaymentCard card, double sum)
{
// ...
money = money + sum;
card.AddMoney(sum);
}
public void AddMoneyToCard(PaymentCard card, double sum)
{
if (this.money >= sum)
{
card.AddMoney(sum);
this.money = this.money + sum;
}
}
public void AddMoneyToCard(PaymentCard card, double sum)
{
// ...
card.AddMoney(sum);
this.money = this.money + sum;
}
public void TestCardAddMoney()
{
PaymentCard card = new PaymentCard(10);
card.AddMoney(5);
Assert.AreEqual(15, card.balance, "AddMoney should increase the balance by the amount!");
}
public void AddMoneyToCard(PaymentCard card, double sum)
{
if (money - sum >= 0)
{
money -= sum;
card.AddMoney(sum);
}
}
public void AddMoneyToCard(PaymentCard card, double sum)
{
if (sum < 0)
{
return;
}
card.AddMoney(sum);
this.money += sum;
}
public void TestAddMoney()
{
{
PaymentCard card = new PaymentCard(10);
card.AddMoney(20);
// Assert
Assert.AreEqual("The card has a balance of 30 euros", card.ToString(), "Money should add up!");
}
}
public void TestAddNegativeMoney()
{
{
PaymentCard card = new PaymentCard(10);
card.AddMoney(-5);
// Assert
Assert.AreEqual("The card has a balance of 10 euros", card.ToString(), "You cannot add negative money!");
}
}
public void TestAddTooMuchMoney()
{
{
PaymentCard card = new PaymentCard(10);
card.AddMoney(200);
// Assert
Assert.AreEqual("The card has a balance of 150 euros", card.ToString(), "Balance should top up at 150!");
}
}
public void AddMoneyToCard(PaymentCard card, double sum)
{
card.AddMoney(sum);
}