{"8.8.4.4:53", mustQuestion("com.", dnsmessage.TypeALL, dnsmessage.ClassINET), 4, dnsmessage.RCodeSuccess},
}

func TestDNSTransportFallback(t *testing.T) {
	fake := fakeDNSServer{
		rh: func(n, _ string, q dnsmessage.Message, _ time.Time) (dnsmessage.Message, error) {
			r := dnsmessage.Message{
				Header: dnsmessage.Header{
					ID:       q.Header.ID,
					Response: true,

	grpc       *grpc.Server
	rhandler   RegistrationHandler
	chandler   ClientHandler
	clients    map[string]Client
}

// NewServer returns an initialized device plugin registration server.
func NewServer(socketPath string, rh RegistrationHandler, ch ClientHandler) (Server, error) {
	if socketPath == "" || !filepath.IsAbs(socketPath) {
		return nil, fmt.Errorf(errBadSocket+" %s", socketPath)
	}

	dir, name := filepath.Split(socketPath)

	XXPERMDI X0, X0, $2, X0
	XXPERMDI X1, X1, $2, X1
	VOR    RL, RL, Y0

	// VOR RH, RH, Y1   RH was saved above in D2X format
	LXVD2X (R1)(R17), Y1
	CALL   p256MulInternal<>(SB)

	// SUB(R<T-S1)           // R  = T-S1
	p256SubInternal(RH,RL,T1,T0,S1H,S1L)

	STXVD2X RH, (R1)(R17) // Save RH

	// if R == 0 or R^P == 0 then ret=ret else ret=0
	// clobbers T1H and T1L

                def ud = uploadDescriptor
                uploadDescriptor = true

                def dd = descriptorDestination
                descriptorDestination = file('descriptor.txt')

                def rh = repositories
                repositories {}

                def c = configuration
                configuration = configurations.getByName('compileClasspath')

                def a = artifacts
            }

	VL   32(P2ptr), X0
	VPDI $0x4, X0, X0, X0
	VLR  RL, Y0
	VLR  RH, Y1
	CALL p256MulInternal<>(SB)

	// SUB(R<T-S1)           // R  = T-S1
	p256SubInternal(RH,RL,T1,T0,S1H,S1L)

	// if R == 0 or R^P == 0 then ret=ret else ret=0
	// clobbers T1H and T1L
	MOVD   $0, ISZERO
	MOVD   $1, TRUE
	VZERO  ZER
	VO     RL, RH, T1H
	VCEQGS ZER, T1H, T1H
	MOVDEQ TRUE, ISZERO
	VX     RL, PL, T1L

	// Accept packets up to maxDNSPacketSize.  RFC 6891.
	if err := b.StartAdditionals(); err != nil {
		return 0, nil, nil, err
	}
	var rh dnsmessage.ResourceHeader
	if err := rh.SetEDNS0(maxDNSPacketSize, dnsmessage.RCodeSuccess, false); err != nil {
		return 0, nil, nil, err
	}
	if err := b.OPTResource(rh, dnsmessage.OPTResource{}); err != nil {
		return 0, nil, nil, err
	}

	tcpReq, err = b.Finish()
	if err != nil {

00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|
00000180  03 81 8c 00 30 81 88 02  42 00 e0 14 c4 60 60 0b  |....0...B....``.|
00000190  72 68 b0 32 5d 61 4a 02  74 5c c2 81 b9 16 a8 3f  |rh.2]aJ.t\.....?|
000001a0  29 c8 36 c7 81 ff 6c b6  5b d9 70 f1 38 3b 50 48  |).6...l.[.p.8;PH|
000001b0  28 94 cb 09 1a 52 f1 5d  ee 8d f2 b9 f0 f0 da d9  |(....R.]........|

00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|
00000180  03 81 8c 00 30 81 88 02  42 00 e0 14 c4 60 60 0b  |....0...B....``.|
00000190  72 68 b0 32 5d 61 4a 02  74 5c c2 81 b9 16 a8 3f  |rh.2]aJ.t\.....?|
000001a0  29 c8 36 c7 81 ff 6c b6  5b d9 70 f1 38 3b 50 48  |).6...l.[.p.8;PH|
000001b0  28 94 cb 09 1a 52 f1 5d  ee 8d f2 b9 f0 f0 da d9  |(....R.]........|

00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|
00000180  03 81 8c 00 30 81 88 02  42 00 e0 14 c4 60 60 0b  |....0...B....``.|
00000190  72 68 b0 32 5d 61 4a 02  74 5c c2 81 b9 16 a8 3f  |rh.2]aJ.t\.....?|
000001a0  29 c8 36 c7 81 ff 6c b6  5b d9 70 f1 38 3b 50 48  |).6...l.[.p.8;PH|
000001b0  28 94 cb 09 1a 52 f1 5d  ee 8d f2 b9 f0 f0 da d9  |(....R.]........|

00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|
00000180  03 81 8c 00 30 81 88 02  42 00 e0 14 c4 60 60 0b  |....0...B....``.|
00000190  72 68 b0 32 5d 61 4a 02  74 5c c2 81 b9 16 a8 3f  |rh.2]aJ.t\.....?|
000001a0  29 c8 36 c7 81 ff 6c b6  5b d9 70 f1 38 3b 50 48  |).6...l.[.p.8;PH|
000001b0  28 94 cb 09 1a 52 f1 5d  ee 8d f2 b9 f0 f0 da d9  |(....R.]........|