public void WhenComputing_Then_ResultIsTheSumOfAllDataInTheWindow()
{
const int period = 5;
var sut = new SumComputation();
var window = new RollingWindow <double>(period);
for (int i = 0; i < 2 * period; i++)
{
window.Add(i);
var result = sut.Compute(window);
Assert.AreEqual(window.Sum(), result);
}
}