public void BuyBookCount_1_1_1_1_1_Price_375()
        {
            //arrage
            List <int> bookCount = new List <int>()
            {
                1, 1, 1, 1, 1
            };

            //act
            var target = new GetBookPrice();
            var actual = target.CalculatePrice(bookCount);
            //assert
            var expect = 375;

            Assert.AreEqual(expect, actual);
        }
        public void BuyBookCount_1_2_2_0_0_Price_460()
        {
            //arrage
            List <int> bookCount = new List <int>()
            {
                1, 2, 2, 0, 0
            };

            //act
            var target = new GetBookPrice();
            var actual = target.CalculatePrice(bookCount);
            //assert
            var expect = 460;

            Assert.AreEqual(expect, actual);
        }