public void Test_A_Minus_B_Should_Be_C1()
        {
            ////arrange
            var target     = new UseTraitToClassification();
            var parameter1 = int.MinValue;
            var parameter2 = 3;
            ////adding other parameter here
            var expected = "太小惹";

            ////act
            var ex = Assert.Throws <ApplicationException>(() => target.A_Minus_B_Should_Be_C(parameter1, parameter2));

            ////assert
            Assert.Equal(expected, ex.Message);
        }
        public void Test_A_Minus_B_Should_Be_C()
        {
            ////arrange
            var target     = new UseTraitToClassification();
            var parameter1 = 3;
            var parameter2 = 2;
            ////adding other parameter here
            var expected = 1;

            ////act
            var actual = target.A_Minus_B_Should_Be_C(parameter1, parameter2);

            ////assert
            Assert.Equal(expected, actual);
        }