Merge pull request #12894 from linasm/linasm/test-case-for-ValidateHistogram

Additional test case for ValidateHistogram
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Björn Rabenstein 2023-09-27 14:16:57 +02:00 committed by GitHub
commit 0de7f39e6a
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@ -4836,6 +4836,16 @@ func TestHistogramValidation(t *testing.T) {
"valid histogram": {
h: tsdbutil.GenerateTestHistograms(1)[0],
},
"valid histogram that has its Count (4) higher than the actual total of buckets (2 + 1)": {
// This case is possible if NaN values (which do not fall into any bucket) are observed.
h: &histogram.Histogram{
ZeroCount: 2,
Count: 4,
Sum: math.NaN(),
PositiveSpans: []histogram.Span{{Offset: 0, Length: 1}},
PositiveBuckets: []int64{1},
},
},
"rejects histogram that has too few negative buckets": {
h: &histogram.Histogram{
NegativeSpans: []histogram.Span{{Offset: 0, Length: 1}},