wireguard-go/tai64n/tai64n_test.go
Jason A. Donenfeld a040786645 global: Add SPDX tags and copyright header
Mathias should probably add his copyright headers to each file too.
2018-05-03 15:06:25 +02:00

27 lines
500 B
Go

/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. 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 < 10000; i++ {
time.Sleep(time.Nanosecond)
next := Now()
if !next.After(old) {
t.Error("TAI64N, not monotonically increasing on nano-second scale")
}
old = next
}
}