}

        @Test
        @DisplayName("setAttributes should accept valid attributes")
        void testSetAttributes() throws CIFSException {
            // Given
            int newAttributes = 0x01; // FILE_ATTRIBUTE_READONLY

            // When/Then
            assertDoesNotThrow(() -> mockResource.setAttributes(newAttributes), "Setting attributes should not throw exception");

        final int start = di;
        int ch;
        final int strlen = str.length();

        for (int i = 0; di < dlim && i < strlen; i++) {
            ch = str.charAt(i);
            if (ch >= 0x0001 && ch <= 0x007F) {
                dst[di] = (byte) ch;
                di++;
            } else {
                if (ch > 0x07FF) {
                    if (dlim - di < 3) {
                        break;

    /**
     * Flag indicating that SIDs should be resolved to names.
     */
    public static final int SID_FLAG_RESOLVE_SIDS = 0x0001;

    /**
     * Well known SID: EVERYONE (S-1-1-0).
     */
    public static SID EVERYONE = null;
    /**
     * Well known SID: CREATOR_OWNER (S-1-3-0).
     */

            byte[] buffer1 = new byte[100];
            byte[] buffer2 = new byte[200];

            Arrays.fill(buffer1, (byte) 0x11);
            Arrays.fill(buffer2, (byte) 0x22);

            // First decode
            response.decode(buffer1, 0, 50);
            byte[] data1 = response.getData();

        assertEquals(999, bufDataStartField.get(response));
    }

    @ParameterizedTest
    @DisplayName("Test reserved bytes are properly skipped")
    @ValueSource(bytes = { 0x00, 0x01, (byte) 0xFF, 0x7F, (byte) 0x80 })
    void testReservedBytesSkipped(byte reservedValue) throws Exception {
        byte[] buffer = new byte[100];
        int bufferIndex = 0;

        }

        @Test
        @DisplayName("Should construct with config and command")
        void testConstructorWithConfigAndCommand() {
            int command = 0x01;
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig, command);
            assertNotNull(resp);
            assertSame(mockConfig, resp.getConfig());
        }
    }

    private NameServiceClient mockNameServiceClient;
    @Mock
    private BaseConfiguration mockConfig;

    private int testAddressInt = 0xC0A80101; // 192.168.1.1
    private byte[] testMacAddress = new byte[] { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 };

    @BeforeEach
    void setUp() {
        // Setup will be done per test as needed
    }

    @Test
    void testConstructorWithMinimalParameters() throws UnknownHostException {

     * implementation.
     */

    static final byte SMB_COM_CREATE_DIRECTORY = (byte) 0x00;
    static final byte SMB_COM_DELETE_DIRECTORY = (byte) 0x01;
    static final byte SMB_COM_CLOSE = (byte) 0x04;
    static final byte SMB_COM_DELETE = (byte) 0x06;
    static final byte SMB_COM_RENAME = (byte) 0x07;
    static final byte SMB_COM_QUERY_INFORMATION = (byte) 0x08;

            // When: Creating close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

            // Then: Should have correct opnum and handle
            assertEquals(0x01, message.getOpnum());
            assertEquals(mockPolicyHandle, message.handle);
        }

        @Test
        @DisplayName("Should encode input parameters correctly")

                try (SmbFileHandleImpl f = openUnshared(O_RDONLY, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, dir,
                        dir != 0 ? 0x0001 : 0x0040)) {
                    th.send(new Trans2SetFileInformation(th.getConfig(), f.getFid(), attrs | dir, ctime, mtime, atime),