* @param searchAttributes the file attributes to search for
     * @throws CIFSException if an error occurs during initialization
     */
    public DirFileEntryEnumIterator2(final SmbTreeHandleImpl th, final SmbResource parent, final String wildcard,
            final ResourceNameFilter filter, final int searchAttributes) throws CIFSException {
        super(th, parent, wildcard, filter, searchAttributes);
    }

        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()) {

                .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());

        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 {

    }

    @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);

     * @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();

        private boolean throwOnFetch;
        private boolean throwOnCloseInternal;

        // Use static factory method to work around constructor ordering
        static TestIterator create(SmbTreeHandleImpl th, SmbResource parent, String wildcard, ResourceNameFilter filter,
                int searchAttributes, FileEntry initial, List<FileEntry[]> pages) throws CIFSException {
            staticInitial = initial;

    private SmbRandomAccessFile newInstance(String mode, boolean smb2, boolean ntSmbsCap, boolean unshared) throws CIFSException {
        SmbFile file = mock(SmbFile.class);
        SmbTreeHandleImpl tree = mock(SmbTreeHandleImpl.class);
        Configuration cfg = mock(Configuration.class);
        SmbFileHandleImpl fh = mock(SmbFileHandleImpl.class);

        when(file.ensureTreeConnected()).thenReturn(tree);