public void AddRange_WhenTwoValueAddedWithTheSameValue_LastSmaValueIsTheSameAsOriginalValue()
{
var sma = new Sma(10);
sma.AddRange(new[] { 10m, 10m });
sma.Values.LastOrDefault().ShouldBeEquivalentTo(10m);
}
public void AddRange_OnlyTakesElementsInThePeriodForCalculation()
{
var sma = new Sma(2);
sma.AddRange(new[] { 0, 10m, 10m });
sma.Values.LastOrDefault().Should().Be(10m);
sma.Values.FirstOrDefault().Should().Be(0);
}
public void AddRange_WhenTwoValueAddedWithDifferentValue_LastSmaValueIsTheAverage()
{
var sma = new Sma(10);
sma.AddRange(new[] { 0, 10m });
sma.Values.LastOrDefault().Should().Be(5m);
sma.Values.FirstOrDefault().Should().Be(0);
}
public void AddRange_OnlyStoresNbOfElementsDefinedInmaxBuffer()
{
var sma = new Sma(2);
var elements = Enumerable.Range(1, 10000).Select(x => (decimal)x);
sma.AddRange(elements);
sma.Values.Count().Should().Be(5000);
}
