7 "github.com/anacrolix/missinggo/v2"
8 "github.com/stretchr/testify/assert"
9 "github.com/stretchr/testify/require"
12 func testListenerNetwork(
14 listenFunc func(net, addr string) (net.Listener, error),
15 expectedNet, givenNet, addr string, validIp4 bool,
17 l, err := listenFunc(givenNet, addr)
18 require.NoError(t, err)
20 assert.EqualValues(t, expectedNet, l.Addr().Network())
21 ip := missinggo.AddrIP(l.Addr())
22 assert.Equal(t, validIp4, ip.To4() != nil, ip)
25 func listenUtpListener(net, addr string) (l net.Listener, err error) {
26 l, err = NewUtpSocket(net, addr, nil)
30 func testAcceptedConnAddr(
32 network string, valid4 bool,
33 dial func(addr string) (net.Conn, error),
34 listen func() (net.Listener, error),
37 require.NoError(t, err)
39 done := make(chan struct{})
42 c, err := dial(l.Addr().String())
43 require.NoError(t, err)
48 require.NoError(t, err)
50 assert.EqualValues(t, network, c.RemoteAddr().Network())
51 assert.Equal(t, valid4, missinggo.AddrIP(c.RemoteAddr()).To4() != nil)
54 func listenClosure(rawListenFunc func(string, string) (net.Listener, error), network, addr string) func() (net.Listener, error) {
55 return func() (net.Listener, error) {
56 return rawListenFunc(network, addr)
60 func dialClosure(f func(net, addr string) (net.Conn, error), network string) func(addr string) (net.Conn, error) {
61 return func(addr string) (net.Conn, error) {
62 return f(network, addr)
66 func TestListenLocalhostNetwork(t *testing.T) {
67 testListenerNetwork(t, net.Listen, "tcp", "tcp", "0.0.0.0:0", false)
68 testListenerNetwork(t, net.Listen, "tcp", "tcp", "[::1]:0", false)
69 testListenerNetwork(t, listenUtpListener, "udp", "udp6", "[::1]:0", false)
70 testListenerNetwork(t, listenUtpListener, "udp", "udp6", "[::]:0", false)
71 testListenerNetwork(t, listenUtpListener, "udp", "udp4", "localhost:0", true)
73 testAcceptedConnAddr(t, "tcp", false, dialClosure(net.Dial, "tcp"), listenClosure(net.Listen, "tcp6", ":0"))