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);
    }

        @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);

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);

    private static final int FILE_ACTION_ADDED = 0x00000001;
    private static final int FILE_ACTION_REMOVED = 0x00000002;
    private static final int FILE_ACTION_MODIFIED = 0x00000003;
    private static final int FILE_ACTION_RENAMED_OLD_NAME = 0x00000004;
    private static final int FILE_ACTION_RENAMED_NEW_NAME = 0x00000005;
    
    private static final int FILE_NOTIFY_CHANGE_FILE_NAME = 0x00000001;

    /**
     * Directory lease flag for recursive caching
     */
    public static final int DIRECTORY_LEASE_FLAG_RECURSIVE = 0x00000001;

    /**
     * Directory lease flag for enabling notifications
     */
    public static final int DIRECTORY_LEASE_FLAG_NOTIFICATIONS = 0x00000002;

    private Smb2LeaseKey leaseKey;
    private int leaseState;
    private DirectoryCacheScope cacheScope;
    private long maxCacheAge;

                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) {

        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,

        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

    }

    @Test
    void testResourceStateConstants() {
        assertEquals(0x00000000, WitnessNotification.WITNESS_RESOURCE_STATE_UNKNOWN);
        assertEquals(0x00000001, WitnessNotification.WITNESS_RESOURCE_STATE_AVAILABLE);
        assertEquals(0x000000FF, WitnessNotification.WITNESS_RESOURCE_STATE_UNAVAILABLE);
    }

    @DisplayName("Should verify DCERPC_FAULT_OTHER constant value")
    void testDcerpcFaultOther() {
        assertEquals(0x00000001, DcerpcError.DCERPC_FAULT_OTHER);
    }

    @Test
    @DisplayName("Should verify DCERPC_FAULT_ACCESS_DENIED constant value")
    void testDcerpcFaultAccessDenied() {
        assertEquals(0x00000005, DcerpcError.DCERPC_FAULT_ACCESS_DENIED);
    }

    @Test