public void mulNegativeTestMethod()
{
double number = -8;
double number2 = 4;
Calculator.Program p = new Calculator.Program();
Assert.AreEqual(-32, p.mul(number, number2));
}
public void mulTestMethod()
{
Calculator.Program p = new Calculator.Program();
double number = 8;
double number2 = 4;
Assert.AreEqual(32, p.mul(number, number2));
}