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]);
                }
            }

    /**
     * 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");

            // 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");

    @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 };
    }

        // 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

                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;

    /** SID name type: domain. */
    /** SID name type: domain. */
    public static final int SID_NAME_DOMAIN = 3;
    /** SID name type: alias. */
    /** SID name type: alias. */
    public static final int SID_NAME_ALIAS = 4;
    /** SID name type: well-known group. */
    /** SID name type: well-known group. */
    public static final int SID_NAME_WKN_GRP = 5;
    /** SID name type: deleted. */
    /** SID name type: deleted account. */

        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

    }

    /**
     * Returns the user's Security Identifier (SID).
     * @return the user SID
     */
    public SID getUserSid() {
        return this.userSid;
    }

    /**
     * Returns the user's primary group SID.
     * @return the primary group SID
     */
    public SID getGroupSid() {
        return this.groupSid;
    }

    /**

        // Prepare SIDs, two need resolution, one already resolved
        SID s1 = sid("S-1-5-21-10-11-12-1001");
        SID s2 = sid("S-1-5-21-10-11-12-1002");
        SID s3 = sid("S-1-5-21-10-11-12-1003");
        jcifs.SID[] arr = new jcifs.SID[] { s1, s2, s3 };

        // First call should resolve two (offset=0,length=2)
        doAnswer(inv -> {