public void Adding_two_numbers()
{
int num1 = 0, num2 = -1, expected = -1, actual;
Calculator_dl c = new Calculator_dl();
actual = c.add(num1, num2);
Assert.AreEqual(expected, actual);
}
public void Multiplying_two_numbers()
{
int num1 = 1, num2 = 0, expected = 0, actual;
Calculator_dl c = new Calculator_dl();
actual = c.multiply(num1, num2);
Assert.AreEqual(expected, actual);
}
public void Dividing_two_numbers()
{
int num1 = 0, num2 = -1, expected = 0, actual;
Calculator_dl c = new Calculator_dl();
actual = c.divide(num1, num2);
Assert.AreEqual(expected, actual);
Assert.ThrowsException <System.DivideByZeroException>(() => c.divide(1, 0));
}
