public void Should_NotBeAbleToMakePaymentWith_InsufficentFunds()
{
var card = new PaymentCard();
card.TopUp(10);
Assert.Throws <Exception>(() => card.MakePayment(20));
}
public void Should_BeAbleToTopUp_PaymentCard()
{
var card = new PaymentCard();
card.TopUp(10);
Assert.That(card.Balance, Is.EqualTo(10));
}
public void Should_OnlyAcceptMinimumPayment_OfTenPoundsOnTopUp()
{
var card = new PaymentCard();
Assert.Throws <Exception>(() => card.TopUp(5));
}