buf.enc_ndr_small(5); /* RPC version */
        buf.enc_ndr_small(0); /* minor version */
        buf.enc_ndr_small(this.ptype);
        buf.enc_ndr_small(this.flags);
        buf.enc_ndr_long(0x00000010); /* Little-endian / ASCII / IEEE */
        buf.enc_ndr_short(this.length);
        buf.enc_ndr_short(0); /* length of auth_value */
        buf.enc_ndr_long(this.call_id);
    }

    private final int flags;
    
    // Notification flags
    public static final int WITNESS_RESOURCE_STATE_UNKNOWN = 0x00000000;
    public static final int WITNESS_RESOURCE_STATE_AVAILABLE = 0x00000001;
    public static final int WITNESS_RESOURCE_STATE_UNAVAILABLE = 0x000000FF;
    
    public WitnessNotification(WitnessEventType eventType, String resourceName) {
        this.eventType = eventType;

        @DisplayName("Should preserve other flags when setting signed flag")
        void testSignPreservesOtherFlags() {
            // Set initial flags with some existing flags
            int initialFlags = 0x00000001 | 0x00000002 | 0x00000004;
            SMBUtil.writeInt4(initialFlags, data, 16);

            digest.sign(data, 0, data.length, request, response);

            int flags = SMBUtil.readInt4(data, 16);

        void testFlagConstants() {
            assertEquals(0x00000001, ServerMessageBlock2.SMB2_FLAGS_SERVER_TO_REDIR);
            assertEquals(0x00000002, ServerMessageBlock2.SMB2_FLAGS_ASYNC_COMMAND);
            assertEquals(0x00000004, ServerMessageBlock2.SMB2_FLAGS_RELATED_OPERATIONS);
            assertEquals(0x00000008, ServerMessageBlock2.SMB2_FLAGS_SIGNED);
            assertEquals(0x00000070, ServerMessageBlock2.SMB2_FLAGS_PRIORITY_MASK);

class NtStatusTest {

    @Test
    @DisplayName("Should define well-known NT status constants")
    void testWellKnownStatusConstants() {
        // Verify important NT status constants are defined
        assertEquals(0x00000000, NtStatus.NT_STATUS_SUCCESS);
        assertEquals((int) 0xC0000022L, NtStatus.NT_STATUS_ACCESS_DENIED);
        assertEquals((int) 0xC0000034L, NtStatus.NT_STATUS_OBJECT_NAME_NOT_FOUND);

                handle = DcerpcHandle.getHandle("ncacn_np:" + authorityServerName + "[\\PIPE\\samr]", auth);
                policyHandle = new SamrPolicyHandle(handle, authorityServerName, 0x00000030);
                domainHandle = new SamrDomainHandle(handle, policyHandle, 0x00000200, domsid);
                return SID.getGroupMemberSids0(handle, domainHandle, domsid, getRid(), flags);
            } finally {
                if (handle != null) {

        buf.enc_ndr_small(5); // RPC version
        buf.enc_ndr_small(0); // minor version
        buf.enc_ndr_small(2); // ptype = 2 (Response)
        buf.enc_ndr_small(0); // flags
        buf.enc_ndr_long(0x00000010); // data representation
        buf.enc_ndr_short(20); // length
        buf.enc_ndr_short(0); // auth length
        buf.enc_ndr_long(0); // call_id

        // Response body

        processRemaining(EMPTY);
      }
      return HashCode.fromInt(~crc0);
    }

    static final int[] byteTable = {
      0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c,
      0x26a1e7e8, 0xd4ca64eb, 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b,
      0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24, 0x105ec76f, 0xe235446c,

     */
    int[][] DOS_ERROR_CODES =
            { { 0x00000000, 0x00000000 }, { 0x00010001, 0xc0000002 }, { 0x00010002, 0xc0000002 }, { 0x00020001, 0xc000000f },
                    { 0x00020002, 0xc000006a }, { 0x00030001, 0xc000003a }, { 0x00030002, 0xc00000cb }, { 0x00040002, 0xc00000ca },
                    { 0x00050001, 0xc0000022 }, { 0x00050002, 0xc000000d }, { 0x00060001, 0xc0000008 }, { 0x00060002, 0xc00000cc },

     */
    int[][] DOS_ERROR_CODES = { { 0x00000000, 0x00000000 }, { 0x00010001, 0xc0000002 }, { 0x00010002, 0xc0000002 },
            { 0x00020001, 0xc000000f }, { 0x00020002, 0xc000006a }, { 0x00030001, 0xc000003a }, { 0x00030002, 0xc00000cb },
            { 0x00040002, 0xc00000ca }, { 0x00050001, 0xc0000022 }, { 0x00050002, 0xc000000d }, { 0x00060001, 0xc0000008 },