public void Shop_CalculateGroupResultTest_Field_Not_Exist_ArgumentException()
        {
            //Arrange  //環境設定

            Summary <Product> summary  = Substitute.For <Summary <Product> >();
            List <Product>    products = new List <Product>()
            {
                new Product {
                    Id = 1, Cost = 1, Revenue = 11, SellPrice = 21
                },
                new Product {
                    Id = 2, Cost = 2, Revenue = 12, SellPrice = 22
                },
                new Product {
                    Id = 3, Cost = 3, Revenue = 13, SellPrice = 23
                },
                new Product {
                    Id = 4, Cost = 1, Revenue = 11, SellPrice = 24
                },
                new Product {
                    Id = 5, Cost = 1, Revenue = 11, SellPrice = 25
                },
                new Product {
                    Id = 6, Cost = 1, Revenue = 11, SellPrice = 26
                },
                new Product {
                    Id = 7, Cost = 1, Revenue = 11, SellPrice = 27
                },
                new Product {
                    Id = 8, Cost = 1, Revenue = 11, SellPrice = 28
                },
                new Product {
                    Id = 9, Cost = 9, Revenue = 19, SellPrice = 29
                },
                new Product {
                    Id = 10, Cost = 10, Revenue = 20, SellPrice = 30
                },
                new Product {
                    Id = 11, Cost = 11, Revenue = 21, SellPrice = 31
                }
            };

            var expected = new List <int>()
            {
                50, 66, 60
            };

            summary.CalculateGroupResult("AAAAA", 0, products).Returns(expected);

            var target = new Shop(summary);

            //Act  //測試   actual
            //var actual = target.Calc("Revenue", 0, product);
            Action act = () => target.Calculate("AAAAA", 0, products);

            //Assert  //驗證
            act.ShouldThrow <ArgumentException>();
        }