public void ShouldCorrectMeanForSkewInTopAndBottomPopulatedIntervals()
{
var intervals = new long[]{ 100, 110, 120, 130, 140, 150, 1000, 10000 };
var histogram = new Histogram(intervals);
for (long i = 100; i < 152; i++)
{
histogram.AddObservation(i);
}
Assert.AreEqual(125.02d, histogram.Mean);
}
public void ShouldGetFourNinesUpperBound()
{
var intervals = new long[]{ 1, 10, 100, 1000, 10000 };
var histogram = new Histogram(intervals);
for (long i = 1; i < 102; i++)
{
histogram.AddObservation(i);
}
Assert.AreEqual(1000L, histogram.FourNinesUpperBound);
}
private static void AddObservations(Histogram histogram, params long[] observations)
{
foreach (var observation in observations)
{
histogram.AddObservation(observation);
}
}
public void ShouldNotAddObservation()
{
var histogram = new Histogram(new long[]{ 10, 20, 30 });
Assert.IsFalse(histogram.AddObservation(31L));
}
