wireguard-go/replay/replay_test.go
2018-05-23 03:58:27 +02:00

121 lines
2.9 KiB
Go

/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* Copyright (C) 2017-2018 Mathias N. Hall-Andersen <mathias@hall-andersen.dk>.
*/
package replay
import (
"testing"
)
/* Ported from the linux kernel implementation
*
*
*/
const RejectAfterMessages = (1 << 64) - (1 << 4) - 1
func TestReplay(t *testing.T) {
var filter ReplayFilter
T_LIM := CounterWindowSize + 1
testNumber := 0
T := func(n uint64, v bool) {
testNumber++
if filter.ValidateCounter(n, RejectAfterMessages) != v {
t.Fatal("Test", testNumber, "failed", n, v)
}
}
filter.Init()
T(0, true) /* 1 */
T(1, true) /* 2 */
T(1, false) /* 3 */
T(9, true) /* 4 */
T(8, true) /* 5 */
T(7, true) /* 6 */
T(7, false) /* 7 */
T(T_LIM, true) /* 8 */
T(T_LIM-1, true) /* 9 */
T(T_LIM-1, false) /* 10 */
T(T_LIM-2, true) /* 11 */
T(2, true) /* 12 */
T(2, false) /* 13 */
T(T_LIM+16, true) /* 14 */
T(3, false) /* 15 */
T(T_LIM+16, false) /* 16 */
T(T_LIM*4, true) /* 17 */
T(T_LIM*4-(T_LIM-1), true) /* 18 */
T(10, false) /* 19 */
T(T_LIM*4-T_LIM, false) /* 20 */
T(T_LIM*4-(T_LIM+1), false) /* 21 */
T(T_LIM*4-(T_LIM-2), true) /* 22 */
T(T_LIM*4+1-T_LIM, false) /* 23 */
T(0, false) /* 24 */
T(RejectAfterMessages, false) /* 25 */
T(RejectAfterMessages-1, true) /* 26 */
T(RejectAfterMessages, false) /* 27 */
T(RejectAfterMessages-1, false) /* 28 */
T(RejectAfterMessages-2, true) /* 29 */
T(RejectAfterMessages+1, false) /* 30 */
T(RejectAfterMessages+2, false) /* 31 */
T(RejectAfterMessages-2, false) /* 32 */
T(RejectAfterMessages-3, true) /* 33 */
T(0, false) /* 34 */
t.Log("Bulk test 1")
filter.Init()
testNumber = 0
for i := uint64(1); i <= CounterWindowSize; i++ {
T(i, true)
}
T(0, true)
T(0, false)
t.Log("Bulk test 2")
filter.Init()
testNumber = 0
for i := uint64(2); i <= CounterWindowSize+1; i++ {
T(i, true)
}
T(1, true)
T(0, false)
t.Log("Bulk test 3")
filter.Init()
testNumber = 0
for i := CounterWindowSize + 1; i > 0; i-- {
T(i, true)
}
t.Log("Bulk test 4")
filter.Init()
testNumber = 0
for i := CounterWindowSize + 2; i > 1; i-- {
T(i, true)
}
T(0, false)
t.Log("Bulk test 5")
filter.Init()
testNumber = 0
for i := CounterWindowSize; i > 0; i-- {
T(i, true)
}
T(CounterWindowSize+1, true)
T(0, false)
t.Log("Bulk test 6")
filter.Init()
testNumber = 0
for i := CounterWindowSize; i > 0; i-- {
T(i, true)
}
T(0, true)
T(CounterWindowSize+1, true)
}