diff options
Diffstat (limited to 'vendor/golang.org/x/net/ipv4/multicastlistener_test.go')
| -rw-r--r-- | vendor/golang.org/x/net/ipv4/multicastlistener_test.go | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/vendor/golang.org/x/net/ipv4/multicastlistener_test.go b/vendor/golang.org/x/net/ipv4/multicastlistener_test.go index a0c24b55b..e43fbbe08 100644 --- a/vendor/golang.org/x/net/ipv4/multicastlistener_test.go +++ b/vendor/golang.org/x/net/ipv4/multicastlistener_test.go @@ -69,13 +69,16 @@ func TestUDPMultiplePacketConnWithMultipleGroupListeners(t *testing.T) { } for _, gaddr := range udpMultipleGroupListenerTests { - c1, err := net.ListenPacket("udp4", "224.0.0.0:1024") // wildcard address with reusable port + c1, err := net.ListenPacket("udp4", "224.0.0.0:0") // wildcard address with reusable port if err != nil { t.Fatal(err) } defer c1.Close() - - c2, err := net.ListenPacket("udp4", "224.0.0.0:1024") // wildcard address with reusable port + _, port, err := net.SplitHostPort(c1.LocalAddr().String()) + if err != nil { + t.Fatal(err) + } + c2, err := net.ListenPacket("udp4", net.JoinHostPort("224.0.0.0", port)) // wildcard address with reusable port if err != nil { t.Fatal(err) } @@ -131,16 +134,29 @@ func TestUDPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) { if err != nil { t.Fatal(err) } + port := "0" for i, ifi := range ift { ip, ok := nettest.IsMulticastCapable("ip4", &ifi) if !ok { continue } - c, err := net.ListenPacket("udp4", ip.String()+":"+"1024") // unicast address with non-reusable port + c, err := net.ListenPacket("udp4", net.JoinHostPort(ip.String(), port)) // unicast address with non-reusable port if err != nil { - t.Fatal(err) + // The listen may fail when the serivce is + // already in use, but it's fine because the + // purpose of this is not to test the + // bookkeeping of IP control block inside the + // kernel. + t.Log(err) + continue } defer c.Close() + if port == "0" { + _, port, err = net.SplitHostPort(c.LocalAddr().String()) + if err != nil { + t.Fatal(err) + } + } p := ipv4.NewPacketConn(c) if err := p.JoinGroup(&ifi, &gaddr); err != nil { t.Fatal(err) |