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// Copyright 2016 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 netreflect_test
import (
"fmt"
"io/ioutil"
"net"
"os"
"runtime"
"testing"
"golang.org/x/net/internal/netreflect"
)
func localPath() string {
f, err := ioutil.TempFile("", "netreflect")
if err != nil {
panic(err)
}
path := f.Name()
f.Close()
os.Remove(path)
return path
}
func newLocalListener(network string) (net.Listener, error) {
switch network {
case "tcp":
if ln, err := net.Listen("tcp4", "127.0.0.1:0"); err == nil {
return ln, nil
}
return net.Listen("tcp6", "[::1]:0")
case "tcp4":
return net.Listen("tcp4", "127.0.0.1:0")
case "tcp6":
return net.Listen("tcp6", "[::1]:0")
case "unix", "unixpacket":
return net.Listen(network, localPath())
}
return nil, fmt.Errorf("%s is not supported", network)
}
func newLocalPacketListener(network string) (net.PacketConn, error) {
switch network {
case "udp":
if c, err := net.ListenPacket("udp4", "127.0.0.1:0"); err == nil {
return c, nil
}
return net.ListenPacket("udp6", "[::1]:0")
case "udp4":
return net.ListenPacket("udp4", "127.0.0.1:0")
case "udp6":
return net.ListenPacket("udp6", "[::1]:0")
case "unixgram":
return net.ListenPacket(network, localPath())
}
return nil, fmt.Errorf("%s is not supported", network)
}
func TestSocketOf(t *testing.T) {
for _, network := range []string{"tcp", "unix", "unixpacket"} {
switch runtime.GOOS {
case "darwin":
if network == "unixpacket" {
continue
}
case "nacl", "plan9":
continue
case "windows":
if network == "unix" || network == "unixpacket" {
continue
}
}
ln, err := newLocalListener(network)
if err != nil {
t.Error(err)
continue
}
defer func() {
path := ln.Addr().String()
ln.Close()
if network == "unix" || network == "unixpacket" {
os.Remove(path)
}
}()
c, err := net.Dial(ln.Addr().Network(), ln.Addr().String())
if err != nil {
t.Error(err)
continue
}
defer c.Close()
if _, err := netreflect.SocketOf(c); err != nil {
t.Error(err)
continue
}
}
}
func TestPacketSocketOf(t *testing.T) {
for _, network := range []string{"udp", "unixgram"} {
switch runtime.GOOS {
case "nacl", "plan9":
continue
case "windows":
if network == "unixgram" {
continue
}
}
c, err := newLocalPacketListener(network)
if err != nil {
t.Error(err)
continue
}
defer c.Close()
if _, err := netreflect.PacketSocketOf(c); err != nil {
t.Error(err)
continue
}
}
}
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