public void DivByZeroTest()
{
StupidCalculator stupidCalculator = new StupidCalculator();
int num1 = 6;
int num2 = 0;
Assert.ThrowsException <DivideByZeroException>(() => { var result = stupidCalculator.Div(num1, num2); });
}
public void DivTest()
{
StupidCalculator stupidCalculator = new StupidCalculator();
int num1 = 6;
int num2 = 2;
Assert.AreEqual(num1 / num2, stupidCalculator.Div(num1, num2));
}