super(handle.getPipe(), th, null);
        this.handle = handle;
    }

    /**
     * Ensures that the tree connection is established.
     *
     * @return the tree handle implementation
     * @throws CIFSException if a connection error occurs
     */
    protected synchronized SmbTreeHandleImpl ensureTreeConnected() throws CIFSException {

            if (rpc.retval != 0) {
                throw new SmbException(rpc.retval, true);
            }
            return rpc.getEntries();
        }
    }

    static FileEntry[] doNetShareEnum(final SmbTreeHandleImpl th) throws CIFSException {
        final SmbComTransaction req = new NetShareEnum(th.getConfig());
        final SmbComTransactionResponse resp = new NetShareEnumResponse(th.getConfig());
        th.send(req, resp);

     * @param resp
     * @throws SmbException
     */
    static void copyFile(final SmbFile src, final SmbFile dest, final byte[][] b, final int bsize, final WriterThread w,
            final SmbTreeHandleImpl sh, final SmbTreeHandleImpl dh) throws SmbException {

        if (sh.isSMB2() && dh.isSMB2() && sh.isSameTree(dh)) {
            try {
                serverSideCopy(src, dest, sh, dh, false);
                return;

    private static final int FIND_OVERHEAD = 100; // plenty enough

    private Trans2FindNext2 nextRequest;
    private Trans2FindFirst2Response response;

    public DirFileEntryEnumIterator1(final SmbTreeHandleImpl th, final SmbResource parent, final String wildcard,
            final ResourceNameFilter filter, final int searchAttributes) throws CIFSException {
        super(th, parent, wildcard, filter, searchAttributes);
    }

                new SmbFile("invalid url with spaces", mockCifsContext);
            });
        }
    }

    @Nested
    class WhenCheckingFileProperties {

        @Mock
        private SmbTreeHandleImpl mockTreeHandle;

        @BeforeEach
        void setUp() throws CIFSException {
            doReturn(mockTreeHandle).when(smbFile).ensureTreeConnected();

    }

    @Test
    void testConstructorWithSmbFileOnly() throws IOException, CIFSException {
        // Given
        // Mock the AutoCloseable tree handle behavior
        SmbTreeHandleImpl autoCloseableMockTreeHandle = mock(SmbTreeHandleImpl.class);
        when(mockFile.ensureTreeConnected()).thenReturn(autoCloseableMockTreeHandle);
        when(autoCloseableMockTreeHandle.isSMB2()).thenReturn(true);

                .thenReturn(resp);

        setTree(c, tree);

        // Override connectHost to avoid actual network connection on retry
        doAnswer(invocation -> {
            SmbTreeHandleImpl handle = mock(SmbTreeHandleImpl.class);
            // Re-set the same tree to continue using our mock
            setTree(c, tree);
            return handle;
        }).when(c).connectHost(any(), anyString());

        if (!(d instanceof final SmbFile dest)) {
            throw new SmbException("Invalid target resource");
        }
        try (SmbTreeHandleImpl sh = ensureTreeConnected(); SmbTreeHandleImpl th = dest.ensureTreeConnected()) {

            // this still might be required for standalone DFS
            if (!exists()) {

        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

        try (SmbTreeHandleImpl th = file.ensureTreeConnected()) {
            this.smb2 = th.isSMB2();
            try (SmbFileHandleImpl fh = ensureOpen()) {
                if (append) {
                    this.fp = fh.getInitialSize();

 */
public abstract class DirFileEntryEnumIteratorBase implements CloseableIterator<FileEntry> {

    private static final Logger log = LoggerFactory.getLogger(DirFileEntryEnumIteratorBase.class);

    private final SmbTreeHandleImpl treeHandle;
    private final ResourceNameFilter nameFilter;
    private final SmbResource parent;
    private final String wildcard;
    private final int searchAttributes;
    private FileEntry next;