void testUnspecifiedFileId() {
            assertNotNull(Smb2Constants.UNSPECIFIED_FILEID, "Unspecified FileId should not be null");
            assertEquals(16, Smb2Constants.UNSPECIFIED_FILEID.length, "Unspecified FileId must be exactly 16 bytes");

            // Verify all bytes are 0xFF
            for (int i = 0; i < Smb2Constants.UNSPECIFIED_FILEID.length; i++) {

    /**
     * Quota information class
     */
    public static final byte SMB2_0_INFO_QUOTA = 4;

    /**
     * Unspecified file ID value (all 0xFF bytes)
     */
    public static final byte[] UNSPECIFIED_FILEID =
            { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,

     *
     * @param config
     *            the configuration to use for this request
     */
    public Smb2QueryInfoRequest(final Configuration config) {
        this(config, Smb2Constants.UNSPECIFIED_FILEID);
    }

    /**
     * Constructs a SMB2 query info request with the specified configuration and file ID
     *
     * @param config
     *            the configuration to use for this request

     * @param fileName
     *            The name of the file to close
     */
    public Smb2CloseRequest(final Configuration config, final String fileName) {
        this(config, Smb2Constants.UNSPECIFIED_FILEID, fileName);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2Request#createResponse(jcifs.CIFSContext,
     *      jcifs.internal.smb2.ServerMessageBlock2Request)

    }

    @Test
    @DisplayName("Constructor with fileName only should use UNSPECIFIED_FILEID")
    void testConstructorWithFileNameOnly() throws Exception {
        Smb2CloseRequest requestWithFileNameOnly = new Smb2CloseRequest(mockConfig, testFileName);

        // Verify file ID is UNSPECIFIED_FILEID
        Field fileIdField = Smb2CloseRequest.class.getDeclaredField("fileId");

     *
     * @param config
     *            the configuration to use for this request
     */
    public Smb2SetInfoRequest(final Configuration config) {
        this(config, Smb2Constants.UNSPECIFIED_FILEID);
    }

    /**
     * Constructs a SMB2 set info request with the specified configuration and file ID
     *
     * @param config
     *            the configuration to use for this request

    void testWithUnspecifiedFileId() {
        setupMockConfig();
        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, TEST_CONTROL_CODE);

        assertNotNull(request);
        // Should use UNSPECIFIED_FILEID by default
    }

    @Test
    @DisplayName("Test various FSCTL constants")
    void testFsctlConstants() {
        // Test that all FSCTL constants are properly defined

     *
     * @param config the configuration for this request
     */
    public Smb2QueryDirectoryRequest(final Configuration config) {
        this(config, Smb2Constants.UNSPECIFIED_FILEID);
    }

    /**
     * Constructs a SMB2 query directory request with the specified configuration and file ID
     *
     * @param config
     *            the configuration to use for this request

        // SMB2_QUERY_INFO command value is 0x0010
        assertEquals((short) 0x0010, request.getCommand());

        // Verify that default file ID is set
        byte[] expectedFileId = Smb2Constants.UNSPECIFIED_FILEID;
        Field fileIdField;
        try {
            fileIdField = Smb2QueryInfoRequest.class.getDeclaredField("fileId");
            fileIdField.setAccessible(true);

     * @param controlCode the IOCTL control code
     */
    public Smb2IoctlRequest(final Configuration config, final int controlCode) {
        this(config, controlCode, Smb2Constants.UNSPECIFIED_FILEID);
    }

    /**
     * Constructs an SMB2 IOCTL request with a specified file ID
     * @param config the client configuration
     * @param controlCode the IOCTL control code