public void Add_WhenTwoValueAddedWithTheSameValue_LastEmaValueIsTheSameAsOriginalValue()
{
var target = new Ema(10);
target.Add(10m);
target.Add(10m);
target.Values.LastOrDefault().ShouldBeEquivalentTo(10m);
}
public void Add_WhenTwoValueAddedWithDifferentValue_LastEmaValueIsTheAverage()
{
var target = new Ema(10);
target.Add(0m);
target.Add(10m);
target.Values.LastOrDefault().Should().BeApproximately((180m) / 99m, 0.000000001m);
target.Values.FirstOrDefault().ShouldBeEquivalentTo(0);
}