Esempio n. 1
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        public void CalculateInterest_ValidBalanceAndInterest_ReturnsInterest()
        {
            ICreditCard masterCard = new MasterCard(100);

            decimal interestOnCard = masterCard.CalculateSimpleInterest();

            Assert.Equal(5, interestOnCard);
        }
Esempio n. 2
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        public void CalculateInterest_NegativeBalance_ReturnsZero()
        {
            ICreditCard masterCard = new MasterCard(-100);

            decimal interestOnCard = masterCard.CalculateSimpleInterest();

            Assert.Equal(0, interestOnCard);
        }