/**
     * Well known SID: EVERYONE
     */
    public static SID EVERYONE = null;

    /**
     * Well known SID: CREATOR_OWNER
     */
    public static SID CREATOR_OWNER = null;

    /**
     * Well known SID: SYSTEM
     */
    public static SID SYSTEM = null;

    static {
        try {
            EVERYONE = new SID("S-1-1-0");
            CREATOR_OWNER = new SID("S-1-3-0");

    /**
     * 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;

    /**

        synchronized (sid_cache) {
            for (si = 0; si < sids.length; si++) {
                final SID sid = (SID) sid_cache.get(sids[si]);
                if (sid != null) {
                    sids[si].type = sid.type;
                    sids[si].domainName = sid.domainName;
                    sids[si].acctName = sid.acctName;
                } else {
                    list.add(sids[si]);
                }
            }

            // Assert
            assertEquals("S-1-5-21-1-2-3-1029", sid.toString());
            assertEquals(1029, sid.getRid());
        }

        @Test
        @DisplayName("Relative constructor with SID appends all subauthorities of relative SID")
        void testRelativeConstructorWithSid() throws Exception {
            // Arrange
            SID dom = new SID("S-1-5-21");

    }

    /**
     * Gets the account ID from a SID.
     * @param sid The SID.
     * @return The account ID.
     */
    public String getAccountId(final SID sid) {
        final int type = sid.getType();
        if (logger.isDebugEnabled()) {
            try {
                logger.debug("Processing SID: {} {} {}", type, sid, sid.toDisplayString());
            } catch (final Exception e) {

    @Mock
    private SID mockSid1;

    @Mock
    private SID mockSid2;

    @Mock
    private SID mockSid3;

    @Mock
    private SID mockDomainSid;

    private String testServerName;
    private SID[] testSids;

    @BeforeEach
    void setUp() {
        testServerName = "test-server.domain.com";
        testSids = new SID[] { mockSid1, mockSid2, mockSid3 };
    }

        assertTrue(s.contains(",sid=" + sid), "toString should include sid in decimal");
        assertTrue(s.contains(",searchCount=" + Trans2FindFirst2.LIST_SIZE), "toString should include searchCount using LIST_SIZE");
        assertTrue(s.contains(",informationLevel=0x104"), "toString should include information level 0x104");

                return false;
            }
        });
        sambaHelper.init();

        // Test SID that throws exception in toDisplayString
        SID exceptionSID = new SID() {
            @Override
            public SID getDomainSid() {
                return null;
            }

            @Override
            public int getRid() {
                return 0;

        System.arraycopy(bytes, 0, sidBytes, 8, bytes.length);

        return new SID(sidBytes, 0);
    }

    /**
     * Reads a full Security Identifier (SID) structure.
     * @return the SID object
     * @throws IOException if an I/O error occurs
     * @throws PACDecodingException if the SID data is invalid
     */
    public SID readSid() throws IOException, PACDecodingException {
        final int sidSize = readInt();

        // Verify SID
        assertNotNull(decodedInfo.sid);
        assertEquals(trustInfo.sid.revision, decodedInfo.sid.revision);
        assertEquals(trustInfo.sid.sub_authority_count, decodedInfo.sid.sub_authority_count);
    }

    @Test
    void testLsarSidArrayEncodeDecodeRoundTrip() throws NdrException {
        // Create SID array with test data