public ActionResult Index(double firstArgument, double secondArgument, string operation)
{
ViewBag.operations = new List <SelectListItem>
{
new SelectListItem
{
Text = "*",
Value = "multiplication"
},
new SelectListItem
{
Text = "/",
Value = "division"
},
new SelectListItem
{
Text = "+",
Value = "addition"
},
new SelectListItem
{
Text = "-",
Value = "subsraction"
}
};
ITwoArgumentCalculator calculator = TwoArgumentCalculatorFactory.CreateCalculator(operation);
double resultValue = calculator.Calculate(firstArgument, secondArgument);
ViewBag.Result = resultValue;
return(View());
}
/// <summary>
/// method for processing button clicks for two argument operations
/// </summary>
private void OpertionForTwoArgument(object sender, EventArgs e)
{
try
{
double firstNumber = Convert.ToDouble(firstArgument.Text);
double secondNumber = Convert.ToDouble(secondArgument.Text);
string operationName = ((Button)sender).Name;
ITwoArgumentCalculator calculator = TwoArgumentCalculatorFactory.CreateCalculator(operationName);
double resultValue = calculator.Calculate(firstNumber, secondNumber);
result.Text = Convert.ToString(resultValue);
}
catch (FormatException exc)
{
result.Text = "Введите число";
}
catch (Exception exc)
{
result.Text = exc.Message;
}
}
public void CalculateTest(string name, Type type)
{
var calculator = TwoArgumentCalculatorFactory.CreateCalculator(name);
Assert.IsInstanceOf(type, calculator);
}
