tailscale/tstime/jitter_test.go

24 lines
588 B
Go

// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tstime
import (
"testing"
"time"
)
func TestRandomDurationBetween(t *testing.T) {
if got := RandomDurationBetween(1, 1); got != 1 {
t.Errorf("between 1 and 1 = %v; want 1", int64(got))
}
const min = 1 * time.Second
const max = 10 * time.Second
for i := 0; i < 500; i++ {
if got := RandomDurationBetween(min, max); got < min || got >= max {
t.Fatalf("%v (%d) out of range", got, got)
}
}
}