}

    /**
     * Test getting the domain SID.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test
    void testGetDomainSid() throws SmbException {
        // Create a mock RPC SID to simulate a user SID
        rpc.sid_t rpcSid = new rpc.sid_t();
        rpcSid.revision = 1;
        rpcSid.sub_authority_count = 5; // Fixed: should be 5 for domain SID with RID

     *
     * @param fqdn the fully qualified domain name to use
     */
    void fixupHost(String fqdn);

    /**
     * Possibly appends the given domain name to the host name if it is currently unqualified
     *
     * @param domain the domain name to append
     */
    void fixupDomain(String domain);

    /**
     * Reduces path consumed by the given value
     *

        DEFAULT_DOMAIN = Config.getProperty("jcifs.smb1.smb.client.domain", null);
        byte[] domain = {};
        if (DEFAULT_DOMAIN != null) {
            try {
                domain = DEFAULT_DOMAIN.getBytes(UNI_ENCODING);
            } catch (final IOException ex) {}
        }
        final int domainLength = domain.length;
        byte[] server = {};
        try {

            }
        }

        return ntlm;
    }

    private synchronized NtlmChallenge getChallengeForDomain(final String domain) throws UnknownHostException, ServletException {
        if (domain == null) {
            throw new ServletException("A domain was not specified");
        }
        final long now = System.currentTimeMillis();
        int retry = 1;

        do {

        // Add dummy NT response (24 zeros at offset 88)
        for (int i = 0; i < 24; i++) {
            message[88 + i] = 0;
        }

        // Add Domain "DOMAIN" in Unicode at offset 112
        String domain = "DOMAIN";
        byte[] domainBytes = domain.getBytes();
        for (int i = 0; i < domainBytes.length; i++) {
            message[112 + i * 2] = domainBytes[i];
            message[112 + i * 2 + 1] = 0;

 *
 * <pre>
 *        toString: S-1-5-21-4133388617-793952518-2001621813-512
 * toDisplayString: WNET\Domain Admins
 *         getType: 2
 *     getTypeText: Domain group
 *   getDomainName: WNET
 *  getAccountName: Domain Admins
 * </pre>
 *
 *
 * <p>This section is intended for internal use.</p>
 */
public class SID extends rpc.sid_t implements jcifs.SID {

        assertNull(dfsImpl.resolve(mockContext, "domain", "root", "/path"));
    }

    @Test
    void testResolve_NullRoot() throws SmbAuthException {
        // Scenario: The root is null.
        assertNull(dfsImpl.resolve(mockContext, "domain", null, "/path"));
    }

    @Test
    void testResolve_NullDomain() throws SmbAuthException {
        // Scenario: The domain is null.

    private final ImmutableList<Range<C>> ranges;
    private final DiscreteDomain<C> domain;

    AsSetSerializedForm(ImmutableList<Range<C>> ranges, DiscreteDomain<C> domain) {
      this.ranges = ranges;
      this.domain = domain;
    }

    Object readResolve() {
      return new ImmutableRangeSet<C>(ranges).asSet(domain);
    }
  }

  /**

     */
    protected NtlmServlet() {
        super();
    }

    /** The default domain for NTLM authentication */
    private String defaultDomain;

    /** The domain controller for authentication */
    private String domainController;

    /** Flag to enable load balancing across domain controllers */
    private boolean loadBalance;

    /** Flag to enable basic authentication */

    }

    @Test
    @DisplayName("Should get domain")
    void testGetDomain() {
        // Given
        String domain = "TESTDOMAIN";
        when(mockReferralData.getDomain()).thenReturn(domain);

        // When
        String result = mockReferralData.getDomain();

        // Then
        assertEquals(domain, result);
        verify(mockReferralData).getDomain();
    }

    @Test