public void InterpretCalculatorInput_NumbersOver1000Excluded_ReturnSuccessful()
        {
            string userInput = @"2,1001,6";

            CalculatorInputHandler calculatorInputHandler = new CalculatorInputHandler();

            calculatorInputHandler.ReplaceAlternativeDelimiterWithArgumentDelimiter("|");
            CalculatorInput calculatorInput = calculatorInputHandler.InterpretCalculatorInput(userInput);

            Assert.IsTrue(calculatorInput.Numbers.Count == 2);
            Assert.IsTrue(calculatorInput.Numbers[0] == 2);
            Assert.IsTrue(calculatorInput.Numbers[1] == 6);
        }
        public void InterpretCalculatorInput_MultipleValidNumbersWithCommaAndArgumentDelimiters_ReturnSuccessful()
        {
            string userInput = @"1|2,3";

            CalculatorInputHandler calculatorInputHandler = new CalculatorInputHandler();

            calculatorInputHandler.ReplaceAlternativeDelimiterWithArgumentDelimiter("|");
            CalculatorInput calculatorInput = calculatorInputHandler.InterpretCalculatorInput(userInput);

            Assert.IsTrue(calculatorInput.Numbers.Count == 3);
            Assert.IsTrue(calculatorInput.Numbers[0] == 1);
            Assert.IsTrue(calculatorInput.Numbers[1] == 2);
            Assert.IsTrue(calculatorInput.Numbers[2] == 3);
        }