public void SubstractTest()
{
CalculosHelper helper = new CalculosHelper();
int result = helper.Substract(20, 10);
Assert.AreEqual(10, result);
}
public void DivTest()
{
CalculosHelper helper = new CalculosHelper();
int result = helper.Div(20, 0);
Assert.AreEqual(2, result);
}
public void AddTest()
{
CalculosHelper helper = new CalculosHelper();
int result = helper.Add(20, 10);
Assert.AreEqual(30, result);
}