Validate bucket counts

open-telemetry · Nov 24, 2021 · 67e022a · 67e022a
1 parent c551930
commit 67e022a
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OtlpMetricsExporterTests.cs b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OtlpMetricsExporterTests.cs
@@ -332,6 +332,19 @@ public void TestHistogramToOltpMetric(string name, string description, string un
                 Assert.Equal(doubleValue, dataPoint.Sum);
             }
 
+            int bucketIndex;
+            for (bucketIndex = 0; bucketIndex < dataPoint.ExplicitBounds.Count; ++bucketIndex)
+            {
+                if (dataPoint.Sum <= dataPoint.ExplicitBounds[bucketIndex])
+                {
+                    break;
+                }
+
+                Assert.Equal(0UL, dataPoint.BucketCounts[bucketIndex]);
+            }
+
+            Assert.Equal(1UL, dataPoint.BucketCounts[bucketIndex]);
+
             if (attributes.Length > 0)
             {
                 OtlpTestHelpers.AssertOtlpAttributes(attributes, dataPoint.Attributes);