EtherGuard-VPN/tai64n/tai64n_test.go
2019-05-29 18:44:53 +02:00

31 lines
582 B
Go

/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
*/
package tai64n
import (
"testing"
"time"
)
/* Testing the essential property of the timestamp
* as used by WireGuard.
*/
func TestMonotonic(t *testing.T) {
old := Now()
for i := 0; i < 50; i++ {
next := Now()
if next.After(old) {
t.Error("Whitening insufficient")
}
time.Sleep(time.Duration(whitenerMask)/time.Nanosecond + 1)
next = Now()
if !next.After(old) {
t.Error("Not monotonically increasing on whitened nano-second scale")
}
old = next
}
}