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;
}
}
public void calcModTest(int num1, int num2, int expectedResult)
{
//Arrange
//Act
int calcResult = CalculatorMethod.calcMod(num1, num2);
//Assert - Compares expected result with the outcome of your method
Assert.AreEqual(expectedResult, calcResult, "Calculation returns an error");
}
static void userInteraction(CalculatorMethod calculate)
{
Console.Write("Please enter the first number: ");
double n1 = double.Parse(Console.ReadLine());
Console.Write("Please enter the second number: ");
double n2 = double.Parse(Console.ReadLine());
double result = calculate(n1, n2);
Console.WriteLine($"The result is: {result}");
}
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!");
}
}
static void Main(string[] args)
{
Countdown c = new Countdown(10);
c.AtTheEndEvents += ItsOver;
c.myAction = SayHello;
CalculatorMethod cm_add = c.Add;
CalculatorMethod cm_multi = Multiply;
int a = 5;
int b = 7;
Console.WriteLine("Adding {0}+{1}={2}", a, b, cm_add(a, b));
Console.WriteLine("Multiplying {0}+{1}={2}", a, b, cm_multi(a, b));
while (c.counter > 0)
{
c.Decrement();
Console.WriteLine("counter is at {0}.", c.counter);
Thread.Sleep(1000);
}
}
public void DividingByZeroThrowsAnException()
{
var ex = Assert.Throws <DivideByZeroException>(() => CalculatorMethod.Divide(20, 0));
Assert.AreEqual("Cannot divide by Zero", ex.Message, "Exception messages do not match");
}
public void ModulusTest(double num1, double num2, double expected)
{
var actual = CalculatorMethod.Modulus(num1, num2);
Assert.AreEqual(expected, actual);
}
public void DivideTest(double num1, double num2, double expected)
{
var actual = CalculatorMethod.Divide(num1, num2);
Assert.AreEqual(expected, actual);
}
public void SubtractTest(double num1, double num2, double expected)
{
var actual = CalculatorMethod.Subtract(num1, num2);
Assert.AreEqual(expected, actual);
}
public void AddTest(int num1, int num2, int expected)
{
var result = CalculatorMethod.Add(num1, num2);
Assert.AreEqual(expected, result);
}
public void DivideTest(double a, double b, double expected)
{
double actual = CalculatorMethod.Divide(a, b);
Assert.AreEqual(expected, actual);
}
public void MultiplyTest(double a, double b, double expected)
{
double actual = CalculatorMethod.Multiply(a, b);
Assert.AreEqual(expected, actual);
}
public void SubtractTest(double a, double b, double expected)
{
double actual = CalculatorMethod.Subtract(a, b);
Assert.AreEqual(expected, actual);
}
public void AddTest(double a, double b, double expected)
{
double actual = CalculatorMethod.Addition(a, b);
Assert.AreEqual(expected, actual);
}
public void DivideByZeroExceptionTest(double a, double b)
{
var ex = Assert.Throws <DivideByZeroException>(() => CalculatorMethod.Divide(a, b));
Assert.AreEqual("Cannot divide by zero", ex.Message);
}
public void MultiplyTest(double num1, double num2, double expected)
{
var result = CalculatorMethod.Multiply(num1, num2);
Assert.AreEqual(expected, result);
}
