/usr/share/gocode/src/code.google.com/p/go.net/ipv4/header_test.go is in golang-go.net-dev 0.0~hg20131201-1.
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 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | // Copyright 2012 The Go 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 ipv4_test
import (
"bytes"
"code.google.com/p/go.net/ipv4"
"net"
"reflect"
"runtime"
"testing"
)
var (
wireHeaderFromKernel = [ipv4.HeaderLen]byte{
0x45, 0x01, 0xbe, 0xef,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
}
wireHeaderToKernel = [ipv4.HeaderLen]byte{
0x45, 0x01, 0xbe, 0xef,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
}
wireHeaderFromTradBSDKernel = [ipv4.HeaderLen]byte{
0x45, 0x01, 0xdb, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
}
wireHeaderToTradBSDKernel = [ipv4.HeaderLen]byte{
0x45, 0x01, 0xef, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
}
// TODO(mikio): Add platform dependent wire header formats when
// we support new platforms.
testHeader = &ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TOS: 1,
TotalLen: 0xbeef,
ID: 0xcafe,
Flags: ipv4.DontFragment,
FragOff: 1500,
TTL: 255,
Protocol: 1,
Checksum: 0xdead,
Src: net.IPv4(172, 16, 254, 254),
Dst: net.IPv4(192, 168, 0, 1),
}
)
func TestMarshalHeader(t *testing.T) {
b, err := testHeader.Marshal()
if err != nil {
t.Fatalf("ipv4.Header.Marshal failed: %v", err)
}
var wh []byte
switch runtime.GOOS {
case "linux", "openbsd":
wh = wireHeaderToKernel[:]
default:
wh = wireHeaderToTradBSDKernel[:]
}
if !bytes.Equal(b, wh) {
t.Fatalf("ipv4.Header.Marshal failed: %#v not equal %#v", b, wh)
}
}
func TestParseHeader(t *testing.T) {
var wh []byte
switch runtime.GOOS {
case "linux", "openbsd":
wh = wireHeaderFromKernel[:]
default:
wh = wireHeaderFromTradBSDKernel[:]
}
h, err := ipv4.ParseHeader(wh)
if err != nil {
t.Fatalf("ipv4.ParseHeader failed: %v", err)
}
if !reflect.DeepEqual(h, testHeader) {
t.Fatalf("ipv4.ParseHeader failed: %#v not equal %#v", h, testHeader)
}
}
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