public void TestMethodMul()
{
double oper1 = 6;
double oper2 = 2.5;
string expected = "15";
string actual = StatndardCalc.Mul(oper1, oper2);
Assert.AreEqual(expected, actual);
}
private void equals_Click(object sender, EventArgs e)
{
double textBox;
if (!Double.TryParse(display.Text, out textBox))
{
buttonC.PerformClick();
}
switch (_operation)
{
case "+":
display.Text = StatndardCalc.Plus(_buf, textBox);
break;
case "-":
display.Text = StatndardCalc.Minus(_buf, textBox);
break;
case "*":
display.Text = StatndardCalc.Mul(_buf, textBox);
break;
case "÷":
if (textBox == 0)
{
display.Font = new Font("Microsoft Sans Serif", 26F);
display.Text = "Can not divide by zero ";
_tryDivByZero = true;
}
else
{
display.Text = StatndardCalc.Div(_buf, textBox);
}
break;
default:
break;
}
_buf = 0;
if (!_operationEntered || !_texted)
{
_operation = null;
if (!_tryDivByZero)
{
label1.Text = null;
}
}
_operationEntered = true;
}