public void Setup()
        {
            IFormula SubtractFormula = new SubtractFormula();

            if (SubtractFormula != null)
            {
                this.SubtractFormula = SubtractFormula;
            }
        }
        public void SubtractFiveMinusTwoWithTotal()
        {
            IFormula AddFormula = new SubtractFormula();

            string ExpectedValue = "The remainder of 5 - 2 equals 3";
            string ActualValue;

            FormulaValues.Add("5");
            FormulaValues.Add("2");
            TotalValue = "3";

            ActualValue = AddFormula.GenerateFormula(FormulaValues, "3");

            Assert.AreEqual(ExpectedValue, ActualValue);
        }
        public void SubtractTenKMinusFiveKWithTotal()
        {
            IFormula AddFormula = new SubtractFormula();

            string ExpectedValue = "The remainder of 10000 - 5000 equals 5000";
            string ActualValue;

            FormulaValues.Add("10000");
            FormulaValues.Add("5000");
            TotalValue = "5000";

            ActualValue = AddFormula.GenerateFormula(FormulaValues, "5000");

            Assert.AreEqual(ExpectedValue, ActualValue);
        }