}

    /**
     * Test that getTree() returns the correct SmbTreeHandle.
     */
    @Test
    void testGetTree() {
        when(smbFileHandle.getTree()).thenReturn(smbTreeHandle);
        SmbTreeHandle result = smbFileHandle.getTree();
        assertEquals(smbTreeHandle, result, "getTree should return the mocked SmbTreeHandle.");
        verify(smbFileHandle, times(1)).getTree();
    }

    /**

 *
 */
public interface SmbFileHandle extends AutoCloseable {

    /**
     * Returns the tree handle associated with this file handle
     *
     * @return the tree
     */
    SmbTreeHandle getTree();

    /**
     * Checks if this file handle is still valid
     *
     * @return whether the file descriptor is valid
     */
    boolean isValid();

    /**

     * on the server.
     */
    @Override
    public int available() throws IOException {
        try (SmbFileHandleImpl fd = this.handle.ensureOpen(); SmbTreeHandleImpl th = fd.getTree()) {
            if (th.isSMB2()) {
                final Smb2IoctlRequest req = new Smb2IoctlRequest(th.getConfig(), Smb2IoctlRequest.FSCTL_PIPE_PEEK, fd.getFileId());
                req.setMaxOutputResponse(16);

    @Override
    public long getInitialSize() {
        return this.initialSize;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#getTree()
     */
    @Override
    public SmbTreeHandleImpl getTree() {
        return this.tree.acquire();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#isValid()
     */
    @Override

        if (!this.handle.isValid()) {
            throw new SmbException("Watch was broken by tree disconnect");
        }
        try (SmbTreeHandleImpl th = this.handle.getTree()) {

            CommonServerMessageBlockRequest req;
            NotifyResponse resp = null;
            if (th.isSMB2()) {