mirror of
https://github.com/safing/portbase
synced 2025-09-02 10:40:39 +00:00
39 lines
818 B
Go
39 lines
818 B
Go
package random
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import (
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"testing"
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)
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func TestNumberRandomness(t *testing.T) {
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// skip in automated tests
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t.Logf("Integer number bias test deactivated, as it sometimes triggers.")
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t.SkipNow()
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if testing.Short() {
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t.Skip()
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}
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var subjects uint64 = 10
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var testSize uint64 = 10000
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results := make([]uint64, int(subjects))
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for i := 0; i < int(subjects*testSize); i++ {
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n, err := Number(subjects - 1)
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if err != nil {
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t.Fatal(err)
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return
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}
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results[int(n)]++
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}
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// catch big mistakes in the number function, eg. massive % bias
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lowerMargin := testSize - testSize/50
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upperMargin := testSize + testSize/50
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for subject, result := range results {
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if result < lowerMargin || result > upperMargin {
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t.Errorf("subject %d is outside of margins: %d", subject, result)
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}
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}
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t.Fatal(results)
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}
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