コード例 #1
0
        public void Should_BeAbleTo_DeductMoneyForFare()
        {
            var oysterCard = new OysterCard();

            oysterCard.TopUp(20);
            oysterCard.Deduct(10);

            Assert.That(oysterCard.Balance, Is.EqualTo(10));
        }
コード例 #2
0
        public void Should_NotBeAbleToTravel_IfBalanceIsUnderMinimumRequired()
        {
            var oysterCard = new OysterCard();

            Assert.Throws <Exception>(() => oysterCard.Deduct(5));
        }