var packetConnTests = []struct {
		net   string
		addr1 string
		addr2 string
	}{
		{"udp", "127.0.0.1:0", "127.0.0.1:0"},
		{"unixgram", testUnixAddr(t), testUnixAddr(t)},
	}

	closer := func(c PacketConn, net, addr1, addr2 string) {
		c.Close()
		switch net {
		case "unixgram":
			os.Remove(addr1)
			os.Remove(addr2)
		}
	}

	for _, tt := range packetConnTests {

	}
}

func TestUnixConnSpecificMethods(t *testing.T) {
	if !testableNetwork("unixgram") {
		t.Skip("unixgram test")
	}

	addr1, addr2, addr3 := testUnixAddr(t), testUnixAddr(t), testUnixAddr(t)

	a1, err := ResolveUnixAddr("unixgram", addr1)
	if err != nil {
		t.Fatal(err)
	}
	c1, err := DialUnix("unixgram", a1, nil)
	if err != nil {
		t.Fatal(err)
	}
	defer c1.Close()

		switch runtime.GOOS {
		case "fuchsia", "hurd", "js", "nacl", "plan9", "wasip1":
			return false
		default:
			if os.Getuid() != 0 {
				return false
			}
		}
	case "unix", "unixgram":
		switch runtime.GOOS {
		case "android", "fuchsia", "hurd", "ios", "js", "nacl", "plan9", "wasip1", "windows":
			return false
		case "aix":
			return unixStrmDgramEnabled()
		}
	case "unixpacket":

		wg.Wait()
		if !reflect.DeepEqual(ln2.Addr(), addr) {
			t.Fatalf("got %#v; want %#v", ln2.Addr(), addr)
		}
	}
}

var filePacketConnTests = []struct {
	network string
}{
	{"udp"},
	{"unixgram"},
}

func TestFilePacketConn(t *testing.T) {
	switch runtime.GOOS {
	case "plan9", "windows", "js", "wasip1":
		t.Skipf("not supported on %s", runtime.GOOS)
	}

	var sotype int
	switch net {
	case "unix":
		sotype = syscall.SOCK_STREAM
	case "unixgram":
		sotype = syscall.SOCK_DGRAM
	case "unixpacket":
		sotype = syscall.SOCK_SEQPACKET
	default:
		return nil, UnknownNetworkError(net)
	}

	switch mode {
	case "dial":

	switch net {
	case "ip+nopriv":
	case "ip", "ip4", "ip6":
		switch runtime.GOOS {
		case "plan9":
			return false
		default:
			if os.Getuid() != 0 {
				return false
			}
		}
	case "unix", "unixgram":
		switch runtime.GOOS {
		case "android", "ios", "plan9", "windows":
			return false
		case "aix":
			return unixEnabledOnAIX
		}
	case "unixpacket":
		switch runtime.GOOS {

			w.hostname = "localhost"
		}
	} else {
		var c net.Conn
		c, err = net.Dial(w.network, w.raddr)
		if err == nil {
			w.conn = &netConn{
				conn:  c,
				local: w.network == "unixgram" || w.network == "unix",
			}
			if w.hostname == "" {
				w.hostname = c.LocalAddr().String()
			}
		}
	}
	return
}

// Write sends a log message to the syslog daemon.

		}
	}
	if err := fd.dial(ctx, laddr, raddr, ctrlCtxFn); err != nil {
		fd.Close()
		return nil, err
	}
	return fd, nil
}

func (fd *netFD) ctrlNetwork() string {
	switch fd.net {
	case "unix", "unixgram", "unixpacket":
		return fd.net
	}
	switch fd.net[len(fd.net)-1] {
	case '4', '6':
		return fd.net
	}
	if fd.family == syscall.AF_INET {
		return fd.net + "4"
	}
	return fd.net + "6"
}