/usr/share/gocode/src/code.google.com/p/go.net/ipv4/unicastsockopt_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 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | // 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.
// +build darwin freebsd linux netbsd openbsd windows
package ipv4_test
import (
"code.google.com/p/go.net/ipv4"
"errors"
"net"
"os"
"runtime"
"testing"
)
type testUnicastConn interface {
TOS() (int, error)
SetTOS(int) error
TTL() (int, error)
SetTTL(int) error
}
type unicastSockoptTest struct {
tos int
ttl int
}
var unicastSockoptTests = []unicastSockoptTest{
{DiffServCS0 | NotECNTransport, 127},
{DiffServAF11 | NotECNTransport, 255},
}
func TestTCPUnicastSockopt(t *testing.T) {
for _, tt := range unicastSockoptTests {
listener := make(chan net.Listener)
go tcpListener(t, "127.0.0.1:0", listener)
ln := <-listener
if ln == nil {
return
}
defer ln.Close()
c, err := net.Dial("tcp4", ln.Addr().String())
if err != nil {
t.Errorf("net.Dial failed: %v", err)
return
}
defer c.Close()
cc := ipv4.NewConn(c)
if err := testUnicastSockopt(t, tt, cc); err != nil {
break
}
}
}
func tcpListener(t *testing.T, addr string, listener chan<- net.Listener) {
ln, err := net.Listen("tcp4", addr)
if err != nil {
t.Errorf("net.Listen failed: %v", err)
listener <- nil
return
}
listener <- ln
c, err := ln.Accept()
if err != nil {
return
}
c.Close()
}
func TestUDPUnicastSockopt(t *testing.T) {
for _, tt := range unicastSockoptTests {
c, err := net.ListenPacket("udp4", "127.0.0.1:0")
if err != nil {
t.Errorf("net.ListenPacket failed: %v", err)
return
}
defer c.Close()
p := ipv4.NewPacketConn(c)
if err := testUnicastSockopt(t, tt, p); err != nil {
break
}
}
}
func TestIPUnicastSockopt(t *testing.T) {
if os.Getuid() != 0 {
t.Skip("must be root")
}
for _, tt := range unicastSockoptTests {
c, err := net.ListenPacket("ip4:icmp", "127.0.0.1")
if err != nil {
t.Errorf("net.ListenPacket failed: %v", err)
return
}
defer c.Close()
r, err := ipv4.NewRawConn(c)
if err != nil {
t.Errorf("ipv4.NewRawConn failed: %v", err)
return
}
if err := testUnicastSockopt(t, tt, r); err != nil {
break
}
}
}
func testUnicastSockopt(t *testing.T, tt unicastSockoptTest, c testUnicastConn) error {
switch runtime.GOOS {
case "windows":
// IP_TOS option is supported on Windows 8 and beyond.
t.Logf("skipping IP_TOS test on %q", runtime.GOOS)
default:
if err := c.SetTOS(tt.tos); err != nil {
t.Errorf("ipv4.Conn.SetTOS failed: %v", err)
return err
}
if v, err := c.TOS(); err != nil {
t.Errorf("ipv4.Conn.TOS failed: %v", err)
return err
} else if v != tt.tos {
t.Errorf("Got unexpected TOS value %v; expected %v", v, tt.tos)
return errors.New("Got unexpected TOS value")
}
}
if err := c.SetTTL(tt.ttl); err != nil {
t.Errorf("ipv4.Conn.SetTTL failed: %v", err)
return err
}
if v, err := c.TTL(); err != nil {
t.Errorf("ipv4.Conn.TTL failed: %v", err)
return err
} else if v != tt.ttl {
t.Errorf("Got unexpected TTL value %v; expected %v", v, tt.ttl)
return errors.New("Got unexpected TTL value")
}
return nil
}
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