assertEquals(domain.toUpperCase(), writtenDomain);
    }

    @ParameterizedTest
    @DisplayName("Test writeParametersWireFormat with various server types")
    @ValueSource(ints = { 0x00000000, 0x00000001, 0x00000801, 0x80000000, 0xFFFFFFFF })
    void testWriteParametersWireFormatVariousServerTypes(int serverType) {
        String domain = "DOMAIN";
        netServerEnum2 = new NetServerEnum2(realConfig, domain, serverType);

        int[] attributes = { 0x00000001, // FILE_ATTRIBUTE_READONLY
                0x00000002, // FILE_ATTRIBUTE_HIDDEN
                0x00000004, // FILE_ATTRIBUTE_SYSTEM
                0x00000010, // FILE_ATTRIBUTE_DIRECTORY
                0x00000020, // FILE_ATTRIBUTE_ARCHIVE
                0x00000080, // FILE_ATTRIBUTE_NORMAL
                0x00000100, // FILE_ATTRIBUTE_TEMPORARY

            System.arraycopy(buffer, tokenOffset, actualToken, 0, tokenSize);
            assertArrayEquals(token, actualToken);
        }
    }

    @ParameterizedTest
    @CsvSource({ "0x00, 0x00000000", "0x01, 0x00000001", "0x03, 0x0000000F", "0xFF, 0x7FFFFFFF" })
    @DisplayName("Should handle various security modes and capabilities")
    void testVariousSecurityModesAndCapabilities(String securityModeHex, String capabilitiesHex) throws Exception {

    assertThat(countFrames(logs, "FINE: >> 0x00000000     8 PING          "))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: << 0x00000000     8 PING          "))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: >> 0x00000000     8 PING          ACK"))
      .isEqualTo(1)
    assertThat(countFrames(logs, "FINE: << 0x00000000     8 PING          ACK"))
      .isEqualTo(1)
  }

    /**
     * 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;

    private final long registrationTime;
    private final AtomicLong sequenceNumber;
    
    // Registration flags
    public static final int WITNESS_REGISTER_NONE = 0x00000000;
    public static final int WITNESS_REGISTER_IP_NOTIFICATION = 0x00000001;
    
    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;
    private int flags;
    

                final SamrPolicyHandle policyHandle = new SamrPolicyHandle(handle, authorityServerName, 0x00000030);
                final SamrDomainHandle domainHandle = new SamrDomainHandle(handle, policyHandle, 0x00000200, domsid.unwrap(sid_t.class));
                try (SamrAliasHandle aliasHandle = new SamrAliasHandle(handle, domainHandle, 0x0002000c, rid)) {

        @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);

     */
    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 },

    /**
     * Mapping table from DOS error codes to NT status codes.
     * Each entry contains a pair of [DOS error code, NT status code].
     */
    int[][] DOS_ERROR_CODES =
            { { 0x00000000, 0x00000000 }, { 0x00010001, 0xc0000002 }, { 0x00010002, 0xc0000002 }, { 0x00020001, 0xc000000f },
                    { 0x00020002, 0xc000006a }, { 0x00030001, 0xc000003a }, { 0x00030002, 0xc00000cb }, { 0x00040002, 0xc00000ca },