public void ArgumentsExceedLimitsOnSubstract()
{
Calculator calculator = new Calculator(-100, 100);
try
{
calculator.Substract(calculator.UpperLimit + 1, calculator.LowerLimit - 1);
Assert.Fail("This should fail: arguments exceed limits");
}
catch (OverflowException)
{
// Ok, the SUT works as expected
}
}
public void SubstractReturningNegative()
{
Calculator calculator = new Calculator(-100,100);
int result = calculator.Substract(3, 5);
Assert.AreEqual(-2, result);
}
public void Substract()
{
Calculator calculator = new Calculator(-100,100);
int result = calculator.Substract(5, 3);
Assert.AreEqual(2, result);
}
public void SubstractSettingLimitValues()
{
Calculator calculator = new Calculator(-100, 100);
try
{
int result = calculator.Substract(10, 150);
Assert.Fail("Exception is not being thrown when " + "exceeding lower limit");
}
catch (OverflowException)
{
// Ok, the SUT works as expected
}
}