/usr/share/gocode/src/github.com/vishvananda/netlink/nl/nl_linux_test.go is in golang-github-vishvananda-netlink-dev 0.0~git20170407.0.1e86b2b-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | package nl
import (
"bytes"
"crypto/rand"
"encoding/binary"
"reflect"
"syscall"
"testing"
)
type testSerializer interface {
serializeSafe() []byte
Serialize() []byte
}
func testDeserializeSerialize(t *testing.T, orig []byte, safemsg testSerializer, msg testSerializer) {
if !reflect.DeepEqual(safemsg, msg) {
t.Fatal("Deserialization failed.\n", safemsg, "\n", msg)
}
safe := msg.serializeSafe()
if !bytes.Equal(safe, orig) {
t.Fatal("Safe serialization failed.\n", safe, "\n", orig)
}
b := msg.Serialize()
if !bytes.Equal(b, safe) {
t.Fatal("Serialization failed.\n", b, "\n", safe)
}
}
func (msg *IfInfomsg) write(b []byte) {
native := NativeEndian()
b[0] = msg.Family
// pad byte is skipped because it is not exported on linux/s390x
native.PutUint16(b[2:4], msg.Type)
native.PutUint32(b[4:8], uint32(msg.Index))
native.PutUint32(b[8:12], msg.Flags)
native.PutUint32(b[12:16], msg.Change)
}
func (msg *IfInfomsg) serializeSafe() []byte {
length := syscall.SizeofIfInfomsg
b := make([]byte, length)
msg.write(b)
return b
}
func deserializeIfInfomsgSafe(b []byte) *IfInfomsg {
var msg = IfInfomsg{}
binary.Read(bytes.NewReader(b[0:syscall.SizeofIfInfomsg]), NativeEndian(), &msg)
return &msg
}
func TestIfInfomsgDeserializeSerialize(t *testing.T) {
var orig = make([]byte, syscall.SizeofIfInfomsg)
rand.Read(orig)
// zero out the pad byte
orig[1] = 0
safemsg := deserializeIfInfomsgSafe(orig)
msg := DeserializeIfInfomsg(orig)
testDeserializeSerialize(t, orig, safemsg, msg)
}
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