public void CalculateResult_WhenDevisionByZero_ThenResultIsCalculationError() { // Arrange var calculatorModel = new CalculatorModel("12", "0", "/"); // Act calculatorModel.CalculateResult(); // Assert Assert.AreEqual(string.Empty, calculatorModel.LeftOperand); Assert.AreEqual(string.Empty, calculatorModel.RightOperand); Assert.AreEqual(string.Empty, calculatorModel.Operation); Assert.AreEqual("Calculation Error", calculatorModel.Result); }
public void CalculateResult_WhenInt32IsExceeded_ThenResultIsCalculationError(string leftOperand, string rightOperand, string operation) { // Arrange var calculatorModel = new CalculatorModel(leftOperand, rightOperand, operation); // Act calculatorModel.CalculateResult(); // Assert Assert.AreEqual(string.Empty, calculatorModel.LeftOperand); Assert.AreEqual(string.Empty, calculatorModel.RightOperand); Assert.AreEqual(string.Empty, calculatorModel.Operation); Assert.AreEqual("Calculation Error", calculatorModel.Result); }
public void CalculateResult_WhenValidParametersPassed_ThenResultIsCalculatedCorrectly(string leftOperand, string rightOperand, string operation, string expectedResult) { // Arrange var calculatorModel = new CalculatorModel(leftOperand, rightOperand, operation); // Act calculatorModel.CalculateResult(); // Assert Assert.AreEqual(leftOperand, calculatorModel.LeftOperand); Assert.AreEqual(rightOperand, calculatorModel.RightOperand); Assert.AreEqual(operation, calculatorModel.Operation); Assert.AreEqual(expectedResult, calculatorModel.Result); }
private void OperationButtonClick(string @operator) { if (FirstNumber == string.Empty || PreviousOperator == "=") { FirstNumber = _display; PreviousOperator = @operator; } else { SecondNumber = _display; Operator = _previousOperator; _calculator.CalculateResult(); History.Add($"{Math.Round(Convert.ToDouble(FirstNumber), 10)}{Operator}={Math.Round(Convert.ToDouble(Result), 10)}"); PreviousOperator = @operator; Display = Result; FirstNumber = _display; } _clearDisplay = true; }
public ActionResult Calculate(CalculatorModel calculator) { calculator.CalculateResult(); return(RedirectToAction("Index", calculator)); }