public void HistogramWithOnlySumCount()
{
var boundaries = new double[] { };
var histogramPoint = new MetricPoint(AggregationType.HistogramSumCount, DateTimeOffset.Now, null, null, boundaries);
histogramPoint.Update(-10);
histogramPoint.Update(0);
histogramPoint.Update(1);
histogramPoint.Update(9);
histogramPoint.Update(10);
histogramPoint.Update(11);
histogramPoint.Update(19);
histogramPoint.TakeSnapshot(true);
var count = histogramPoint.GetHistogramCount();
var sum = histogramPoint.GetHistogramSum();
// Sum of all recordings
Assert.Equal(40, sum);
// Count = # of recordings
Assert.Equal(7, count);
// There should be no enumeration of BucketCounts and ExplicitBounds for HistogramSumCount
var enumerator = histogramPoint.GetHistogramBuckets().GetEnumerator();
Assert.False(enumerator.MoveNext());
}
public void HistogramDistributeToAllBucketsCustom()
{
var boundaries = new double[] { 10, 20 };
var histogramPoint = new MetricPoint(AggregationType.Histogram, DateTimeOffset.Now, null, null, boundaries);
// 5 recordings <=10
histogramPoint.Update(-10);
histogramPoint.Update(0);
histogramPoint.Update(1);
histogramPoint.Update(9);
histogramPoint.Update(10);
// 2 recordings >10, <=20
histogramPoint.Update(11);
histogramPoint.Update(19);
histogramPoint.TakeSnapshot(true);
var count = histogramPoint.GetHistogramCount();
var sum = histogramPoint.GetHistogramSum();
// Sum of all recordings
Assert.Equal(40, sum);
// Count = # of recordings
Assert.Equal(7, count);
int index = 0;
int actualCount = 0;
var expectedBucketCounts = new long[] { 5, 2, 0 };
foreach (var histogramMeasurement in histogramPoint.GetHistogramBuckets())
{
Assert.Equal(expectedBucketCounts[index], histogramMeasurement.BucketCount);
index++;
actualCount++;
}
Assert.Equal(boundaries.Length + 1, actualCount);
}
public void HistogramDistributeToAllBucketsDefault()
{
var histogramPoint = new MetricPoint(AggregationType.Histogram, DateTimeOffset.Now, null, null, Metric.DefaultHistogramBounds);
histogramPoint.Update(-1);
histogramPoint.Update(0);
histogramPoint.Update(2);
histogramPoint.Update(5);
histogramPoint.Update(8);
histogramPoint.Update(10);
histogramPoint.Update(11);
histogramPoint.Update(25);
histogramPoint.Update(40);
histogramPoint.Update(50);
histogramPoint.Update(70);
histogramPoint.Update(75);
histogramPoint.Update(99);
histogramPoint.Update(100);
histogramPoint.Update(246);
histogramPoint.Update(250);
histogramPoint.Update(499);
histogramPoint.Update(500);
histogramPoint.Update(999);
histogramPoint.Update(1000);
histogramPoint.Update(1001);
histogramPoint.Update(10000000);
histogramPoint.TakeSnapshot(true);
var count = histogramPoint.GetHistogramCount();
Assert.Equal(22, count);
int actualCount = 0;
foreach (var histogramMeasurement in histogramPoint.GetHistogramBuckets())
{
Assert.Equal(2, histogramMeasurement.BucketCount);
actualCount++;
}
}
