libgo/go/net/multicast_test.go

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package net
   6
   7 import (
   8         "runtime"
   9         "testing"
  10 )
  11
  12 func TestMulticastJoinAndLeave(t *testing.T) {
  13         if runtime.GOOS == "windows" {
  14                 return
  15         }
  16
  17         addr := &UDPAddr{
  18                 IP:   IPv4zero,
  19                 Port: 0,
  20         }
  21         // open a UDPConn
  22         conn, err := ListenUDP("udp4", addr)
  23         if err != nil {
  24                 t.Fatal(err)
  25         }
  26         defer conn.Close()
  27
  28         // try to join group
  29         mcast := IPv4(224, 0, 0, 254)
  30         err = conn.JoinGroup(mcast)
  31         if err != nil {
  32                 t.Fatal(err)
  33         }
  34
  35         // try to leave group
  36         err = conn.LeaveGroup(mcast)
  37         if err != nil {
  38                 t.Fatal(err)
  39         }
  40 }
  41
  42 func TestJoinFailureWithIPv6Address(t *testing.T) {
  43         addr := &UDPAddr{
  44                 IP:   IPv4zero,
  45                 Port: 0,
  46         }
  47
  48         // open a UDPConn
  49         conn, err := ListenUDP("udp4", addr)
  50         if err != nil {
  51                 t.Fatal(err)
  52         }
  53         defer conn.Close()
  54
  55         // try to join group
  56         mcast := ParseIP("ff02::1")
  57         err = conn.JoinGroup(mcast)
  58         if err == nil {
  59                 t.Fatal("JoinGroup succeeded, should fail")
  60         }
  61         t.Logf("%s", err)
  62 }