7 "github.com/anacrolix/log"
8 "github.com/anacrolix/missinggo/v2"
9 "github.com/stretchr/testify/assert"
10 "github.com/stretchr/testify/require"
13 func testListenerNetwork(
15 listenFunc func(net, addr string) (net.Listener, error),
16 expectedNet, givenNet, addr string, validIp4 bool,
18 l, err := listenFunc(givenNet, addr)
19 if isUnsupportedNetworkError(err) {
22 require.NoError(t, err)
24 assert.EqualValues(t, expectedNet, l.Addr().Network())
25 ip := missinggo.AddrIP(l.Addr())
26 assert.Equal(t, validIp4, ip.To4() != nil, ip)
29 func listenUtpListener(net, addr string) (l net.Listener, err error) {
30 l, err = NewUtpSocket(net, addr, nil, log.Default)
34 func testAcceptedConnAddr(
36 network string, valid4 bool,
37 dial func(addr string) (net.Conn, error),
38 listen func() (net.Listener, error),
41 require.NoError(t, err)
43 done := make(chan struct{})
46 c, err := dial(l.Addr().String())
47 require.NoError(t, err)
52 require.NoError(t, err)
54 assert.EqualValues(t, network, c.RemoteAddr().Network())
55 assert.Equal(t, valid4, missinggo.AddrIP(c.RemoteAddr()).To4() == nil)
59 rawListenFunc func(string, string) (net.Listener, error),
61 ) func() (net.Listener, error) {
62 return func() (net.Listener, error) {
63 return rawListenFunc(network, addr)
67 func dialClosure(f func(net, addr string) (net.Conn, error), network string) func(addr string) (net.Conn, error) {
68 return func(addr string) (net.Conn, error) {
69 return f(network, addr)
73 func TestListenLocalhostNetwork(t *testing.T) {
74 testListenerNetwork(t, net.Listen, "tcp", "tcp", "0.0.0.0:0", false)
75 testListenerNetwork(t, net.Listen, "tcp", "tcp", "[::1]:0", false)
76 testListenerNetwork(t, listenUtpListener, "udp", "udp6", "[::1]:0", false)
77 testListenerNetwork(t, listenUtpListener, "udp", "udp6", "[::]:0", false)
78 testListenerNetwork(t, listenUtpListener, "udp", "udp4", "localhost:0", true)
84 dialClosure(net.Dial, "tcp"),
85 listenClosure(net.Listen, "tcp4", "localhost:0"),