mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-15 08:23:34 +01:00
29 lines
682 B
Go
29 lines
682 B
Go
|
package datadogsketches
|
||
|
|
|
||
|
|
import (
|
||
|
|
"testing"
|
||
|
|
|
||
|
|
"github.com/stretchr/testify/assert"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestPointsForQuantile(t *testing.T) {
|
||
|
|
f := func(d *Dogsketch, quantile float64, expected float64) {
|
||
|
|
t.Helper()
|
||
|
|
point := d.pointForQuantile(quantile)
|
||
|
|
assert.InDelta(t, point, expected, 0.5)
|
||
|
|
}
|
||
|
|
sketches := &Dogsketch{
|
||
|
|
Min: 8.0,
|
||
|
|
Max: 20.0,
|
||
|
|
Cnt: 17,
|
||
|
|
N: []uint32{0x0, 0x0, 0x1, 0x0, 0x1, 0x4, 0x6, 0x1, 0x2, 0x0, 0x1, 0x0, 0x1},
|
||
|
|
K: []int32{0, 1472, 1473, 1479, 1480, 1503, 1504, 1512, 1513, 1514, 1515, 1531, 1532},
|
||
|
|
}
|
||
|
|
f(sketches, 0.1, 8.96)
|
||
|
|
f(sketches, 0.5, 13.01)
|
||
|
|
f(sketches, 0.75, 14.96)
|
||
|
|
f(sketches, 0.9, 14.96)
|
||
|
|
f(sketches, 0.95, 15.43)
|
||
|
|
f(sketches, 0.99, 15.43)
|
||
|
|
}
|