assertEquals(2, securityDescriptor.getAces().length);
    }

    @Test
    @DisplayName("Test decode with no SIDs and no DACL")
    void testDecodeWithNoSidsNoDacl() throws SMBProtocolDecodingException {
        // Prepare minimal buffer with no SIDs and no DACL
        prepareMinimalSecurityDescriptorBuffer(testBuffer, 0, false, false, false);

    /**
     * SID type indicating a local group or alias.
     */
    int SID_TYPE_ALIAS = 4;

    /**
     * SID type indicating a well-known group.
     */
    int SID_TYPE_WKN_GRP = 5;

    /**
     * SID type indicating a deleted account.
     */
    int SID_TYPE_DELETED = 6;

    /**
     * SID type indicating an invalid SID.
     */
    int SID_TYPE_INVALID = 7;

    /**

         */
        public sid_t() {
            // Default constructor
        }

        /** The revision level of the SID structure */
        public byte revision;
        /** The number of sub-authorities in the SID */
        public byte sub_authority_count;
        /** The identifier authority value (6 bytes) */
        public byte[] identifier_authority;
        /** The array of sub-authority values */

        SID sid = new SID(adminSidBytes, 0);
        assertArrayEquals(adminSidBytes, sid.toByteArray());
    }

    /**
     * Test the equals method.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test
    void testEquals() throws SmbException {
        SID sid1 = new SID(adminSidString);
        SID sid2 = new SID(adminSidBytes, 0);
        SID sid3 = new SID("S-1-1-0"); // Everyone

     * @return the owner group SID, <code>null</code> if not present
     * @throws IOException if an I/O error occurs
     */
    SID getOwnerGroup(boolean resolve) throws IOException;

    /**
     * Return the resolved owner user SID for this file or directory
     *
     * @return the owner user SID, <code>null</code> if not present
     * @throws IOException if an I/O error occurs
     */
    SID getOwnerUser() throws IOException;

        int ai;

        if (resolveSids) {
            final SID[] sids = new SID[aces.length];
            final String[] names = null;

            for (ai = 0; ai < aces.length; ai++) {
                sids[ai] = aces[ai].sid;
            }

            for (int off = 0; off < sids.length; off += 64) {
                int len = sids.length - off;
                if (len > 64) {

        // Arrange
        jcifs.SID mockSid1 = mock(jcifs.SID.class);
        jcifs.SID mockSid2 = mock(jcifs.SID.class);
        jcifs.SID mockSid3 = mock(jcifs.SID.class);
        when(mockSid1.unwrap(sid_t.class)).thenReturn(mockSidT);
        when(mockSid2.unwrap(sid_t.class)).thenReturn(mockSidT);
        when(mockSid3.unwrap(sid_t.class)).thenReturn(mockSidT);
        testSids = new jcifs.SID[] { mockSid1, mockSid2, mockSid3 };

            verify(mockNdrBuffer).enc_ndr_referent(array.rids, 1);
        }

        @Test
        @DisplayName("Should encode array with null RIDs")
        void testEncodeNullRids() throws NdrException {
            // Given: Array with null RIDs
            samr.SamrRidWithAttributeArray array = new samr.SamrRidWithAttributeArray();
            array.count = 0;
            array.rids = null;

            // When: Encoding array

    private static final String TEST_DOMAIN = "TESTDOMAIN";
    private static final String TEST_SERVER = "SERVER01";

    private SID domainSid;
    private SID userSid;

    @BeforeEach
    void setUp() throws Exception {
        domainSid = new SID("S-1-5-21-1-2-3");
        userSid = new SID("S-1-5-21-1-2-3-1000");
    }

    private void writeLittleEndianShort(DataOutputStream dos, short value) throws IOException {

            verify(mockNdrBuffer).enc_ndr_referent(array.rids, 1);
        }

        @Test
        @DisplayName("Should encode array with null RIDs")
        void testEncodeNullRids() throws NdrException {
            // Given: Array with null RIDs
            samr.SamrRidWithAttributeArray array = new samr.SamrRidWithAttributeArray();
            array.count = 0;
            array.rids = null;

            // When: Encoding array