public void SumRangeTestStartAtZero()
{
int manualCalculation = _manualCalculateSumRange(0, 100);
int result = Sums.SumRange(0, 100);
Assert.AreEqual(manualCalculation, result);
}
public void SumRangeTestStartAtOne()
{
int manualCalculation = _manualCalculateSumRange(0, 100);
// The sum from 0 to N should equal sum from 1 to N
Assert.AreEqual(manualCalculation, Sums.SumRange(1, 100));
}
public void SumRangeTestStartAtRandom()
{
int manualCalculation = _manualCalculateSumRange(_start, _end);
int result = Sums.SumRange(_start, _end);
Assert.AreEqual(result, manualCalculation);
}
public void SumRangeTestNegativeRange()
{
Assert.AreEqual(0, Sums.SumRange(10, 9));
}