private void ButtonEquals_Click(object sender, RoutedEventArgs e)
{
switch (operation)
{
case "+":
LabelHeader.Content = CalculatorMethod.Addition(num1, num2);
break;
case "-":
LabelHeader.Content = CalculatorMethod.Subtract(num1, num2);
break;
case "*":
LabelHeader.Content = CalculatorMethod.Multiply(num1, num2);
break;
case "/":
if (num2 == 0)
{
LabelHeader.Content = "Error";
}
else
{
LabelHeader.Content = CalculatorMethod.Divide(num1, num2);
}
break;
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
string cmbox = Operations.Text;
double value1 = double.Parse(TextBox1.Text);
//change the string to double in the Text Box
double value2 = double.Parse(TextBox2.Text);
double output = 0;
switch (cmbox)
{
case "Division":
output = calc.Divide(value1, value2);
MessageBox.Show(output.ToString());
break;
case "Addition":
output = calc.Add(value1, value2);
MessageBox.Show(output.ToString());
break;
case "Multiplication":
output = calc.Multiply(value1, value2);
MessageBox.Show(output.ToString());
break;
case "Subtraction":
output = calc.Subtract(value1, value2);
MessageBox.Show(output.ToString());
break;
}
TextBox1.Text = String.Empty;
TextBox2.Text = string.Empty;
Operations.Text = string.Empty;
//clear the fields when user press "ok" on the button
}
public void equals_Click(object sender, RoutedEventArgs e)
{
try
{
num2 = Convert.ToDouble(s.ToString());
s.Clear();
switch (operand)
{
case "+":
s.Append(CalculatorMethod.Add(num1, num2));
break;
case "-":
s.Append(CalculatorMethod.Subtract(num1, num2));
break;
case "*":
s.Append(CalculatorMethod.Multiply(num1, num2));
break;
case "/":
if (num2 == 0)
{
s.Clear();
s.Append("Error");
}
else
{
s.Append(Math.Round(CalculatorMethod.Divide(num1, num2), 8));
}
break;
default:
break;
}
CalcTextBlock.Text = s.ToString();
temp = Convert.ToDouble(s.ToString());
s.Clear();
}
catch (FormatException)
{
MessageBox.Show("You haven't entered any numbers!");
}
}
public void MultiplyTest(double num1, double num2, double expected)
{
var actual = CalculatorMethod.Multiply(num1, num2);
Assert.AreEqual(expected, actual);
}
public void MultiplyTest(double a, double b, double expected)
{
double actual = CalculatorMethod.Multiply(a, b);
Assert.AreEqual(expected, actual);
}
