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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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37 lines
916 B
Go
37 lines
916 B
Go
package promql
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import (
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"math"
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"testing"
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)
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func TestModeNoNaNs(t *testing.T) {
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f := func(prevValue float64, a []float64, expectedResult float64) {
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t.Helper()
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result := modeNoNaNs(prevValue, a)
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if math.IsNaN(result) {
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if !math.IsNaN(expectedResult) {
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t.Fatalf("unexpected result; got %v; want %v", result, expectedResult)
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}
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return
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}
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if result != expectedResult {
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t.Fatalf("unexpected result; got %v; want %v", result, expectedResult)
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}
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}
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f(nan, nil, nan)
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f(nan, []float64{123}, 123)
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f(nan, []float64{1, 2, 3}, 1)
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f(nan, []float64{1, 2, 2}, 2)
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f(nan, []float64{1, 1, 2}, 1)
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f(nan, []float64{1, 1, 1}, 1)
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f(nan, []float64{1, 2, 2, 3}, 2)
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f(nan, []float64{1, 1, 2, 2, 3, 3, 3}, 3)
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f(1, []float64{2, 3, 4, 5}, 1)
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f(1, []float64{2, 2}, 2)
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f(1, []float64{2, 3, 3}, 3)
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f(1, []float64{2, 4, 3, 4, 3, 4}, 4)
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f(1, []float64{2, 3, 3, 4, 4}, 3)
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f(1, []float64{4, 3, 2, 3, 4}, 3)
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}
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