74 lines
1.3 KiB
Go
74 lines
1.3 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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"flag"
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"runtime"
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"testing"
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)
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var multicast = flag.Bool("multicast", false, "enable multicast tests")
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func TestMulticastJoinAndLeave(t *testing.T) {
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if runtime.GOOS == "windows" {
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return
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}
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if !*multicast {
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t.Logf("test disabled; use --multicast to enable")
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return
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}
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addr := &UDPAddr{
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IP: IPv4zero,
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Port: 0,
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}
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// open a UDPConn
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conn, err := ListenUDP("udp4", addr)
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if err != nil {
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t.Fatal(err)
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}
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defer conn.Close()
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// try to join group
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mcast := IPv4(224, 0, 0, 254)
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err = conn.JoinGroup(mcast)
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if err != nil {
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t.Fatal(err)
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}
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// try to leave group
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err = conn.LeaveGroup(mcast)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestJoinFailureWithIPv6Address(t *testing.T) {
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if !*multicast {
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t.Logf("test disabled; use --multicast to enable")
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return
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}
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addr := &UDPAddr{
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IP: IPv4zero,
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Port: 0,
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}
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// open a UDPConn
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conn, err := ListenUDP("udp4", addr)
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if err != nil {
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t.Fatal(err)
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}
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defer conn.Close()
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// try to join group
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mcast := ParseIP("ff02::1")
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err = conn.JoinGroup(mcast)
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if err == nil {
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t.Fatal("JoinGroup succeeded, should fail")
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}
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t.Logf("%s", err)
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}
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