public ActionResult Index(
double firstNumber,
double secondNumber,
string operation)
{
string[] arr = { "Mult", "Div", "Plus", "Minus", "Max" };
double result;
if (arr.Contains(operation))
{
ITwoArgCalculator calculator = TwoArgFactory.CreateObjectOrientedCalculator(operation);
result = calculator.Calculate(firstNumber, secondNumber);
}
else
{
IOneArgCalculator calculator = OneArgFactory.CreateObjectOrientedCalculator(operation);
result = calculator.Calculate(firstNumber);
}
ViewBag.Result = result;
ViewBag.Operation = new SelectListItem[]
{
new SelectListItem()
{
Value = "Mult", Text = "Multiply"
},
new SelectListItem()
{
Value = "Plus", Text = "Sum"
},
new SelectListItem()
{
Value = "Minus", Text = "Minus"
},
new SelectListItem()
{
Value = "Div", Text = "Division"
},
new SelectListItem()
{
Value = "Exp", Text = "Exponent"
},
new SelectListItem()
{
Value = "Max", Text = "Maximum"
},
};
return(View());
}
private void button15_Click(object sender, EventArgs e)
{
b = Convert.ToDouble(textBox1.Text);
if (Operation == ("Div") && b == 0)
{
MessageBox.Show("Деление на ноль невозможно");
textBox1.Clear();
}
else
{
ITwoArgCalculator calculator = TwoArgFactory.CreateObjectOrientedCalculator(Operation);
double res = calculator.Calculate(a, b);
textBox1.Text = res.ToString();
}
}
public void CalculateTest(string name, Type type)
{
var calculator = TwoArgFactory.CreateObjectOrientedCalculator(name);
Assert.IsInstanceOf(type, calculator);
}