public void HistogramWithEmptyBuckets()
{
using var meter = new Meter("TestMeter", "0.0.1");
var hist = new HistogramMetricAggregator("test", "desc", "1", meter, DateTimeOffset.UtcNow, new KeyValuePair <string, object> [0], new double[] { 0, 5, 10 });
hist.Update <long>(-3);
hist.Update <long>(-2);
hist.Update <long>(-1);
hist.Update <long>(6);
hist.Update <long>(7);
hist.Update <long>(12);
var metric = hist.Collect(DateTimeOffset.UtcNow, false);
Assert.NotNull(metric);
Assert.IsType <HistogramMetric>(metric);
if (metric is HistogramMetric agg)
{
var expectedCounts = new int[] { 3, 0, 2, 1 };
int len = 0;
foreach (var bucket in agg.Buckets)
{
if (len < expectedCounts.Length)
{
Assert.Equal(expectedCounts[len], bucket.Count);
len++;
}
}
Assert.Equal(4, len);
}
}
public void HistogramCustomBoundaries()
{
using var meter = new Meter("TestMeter", "0.0.1");
var hist = new HistogramMetricAggregator("test", "desc", "1", meter, DateTimeOffset.UtcNow, new KeyValuePair <string, object> [0], new double[] { 0 });
hist.Update <long>(-1);
hist.Update <long>(0);
var metric = hist.Collect(DateTimeOffset.UtcNow, false);
Assert.NotNull(metric);
Assert.IsType <HistogramMetric>(metric);
if (metric is HistogramMetric agg)
{
int len = 0;
foreach (var bucket in agg.Buckets)
{
Assert.Equal(1, bucket.Count);
len++;
}
Assert.Equal(2, len);
}
}
