}

    @Test
    void testGetReferral_Success() throws IOException, SmbAuthException {
        String domain = "domain.com";
        String root = "share";
        String path = "\\folder";
        String fullPath = "\\" + domain + "\\" + root + path; // Should be "\domain.com\share\folder"

        lenient().when(smbTransport.getDfsReferrals(auth, fullPath, 0)).thenReturn(dfsReferral);

    class HappyPath {
        @Test
        void testBasicProperties() throws Exception {
            String url = "smb://server/share/path/file.txt";
            DummySmbResourceLocator loc = new DummySmbResourceLocator(url);
            assertEquals("file.txt", loc.getName());
            assertEquals("smb://server/share/path/", loc.getParent());
            assertEquals(url, loc.getPath());
            // canonicalisation simply removes '.' and '..'

     * @throws CIFSException if an error occurs retrieving the domain name
     */
    String getOEMDomainName() throws CIFSException;

    /**
     * Gets the name of the share this tree is connected to
     * @return the share we are connected to
     */
    String getConnectedShare();

    /**
     * Checks if this tree handle refers to the same tree as another
     * @param th the tree handle to compare with

                            SmbTreeImpl uct = smbSession.getSmbTree(share, null).unwrap(SmbTreeImpl.class);
                            SmbTreeImpl ct = connectTree(loc, host, share, trans, uct, dr)) {

                        if (dr != null) {
                            ct.setTreeReferral(dr);
                            if (dr != start) {

        validator.validatePath("\\share\\folder\\file.txt");
        validator.validatePath("C:\\Windows\\System32");
        validator.validatePath(null); // Null should be allowed
        validator.validatePath(""); // Empty should be allowed
    }

    @Test
    public void testPathTooLong() throws Exception {
        String longPath = "\\share" + "\\folder".repeat(5000);

  if (reader_ != nullptr) {
    status = reader_->GetTensor(name, out_tensor);
  } else {
    tensorflow::DataType dtype;
    tensorflow::TensorShape shape;
    status = v2_reader_->LookupDtypeAndShape(name, &dtype, &shape);
    if (status.ok()) {
      out_tensor->reset(new Tensor(dtype, shape));
      status = v2_reader_->Lookup(name, out_tensor->get());
      if (!status.ok()) out_tensor->reset();
    }
  }
  if (!status.ok()) {

    RESOURCE_CHANGE(1),        // Resource state changed
    CLIENT_MOVE(2),           // Client should move to different node
    SHARE_MOVE(3),            // Share moved to different node
    IP_CHANGE(4),             // IP address changed
    SHARE_DELETE(5),          // Share deleted
    NODE_UNAVAILABLE(6),      // Cluster node unavailable
    NODE_AVAILABLE(7);        // Cluster node available
    
    private final int value;
    

        // Then
        assertEquals(0, bytesRead);
    }

    @ParameterizedTest
    @ValueSource(strings = { "\\\\server\\share", "\\\\192.168.1.1\\share", "\\\\server.domain.com\\share", "\\\\server\\share\\subfolder",
            "\\\\s\\s" // Minimum path
    })
    @DisplayName("Should handle various valid path formats")
    void testVariousPathFormats(String path) throws Exception {

        when(mockReferral.getPathConsumed()).thenReturn(15); // e.g., "\\\\server\\share".length()
        when(mockReferral.next()).thenReturn(mockReferral); // Simple loop for the do-while
        assertDoesNotThrow(() -> dfsImpl.cache(mockContext, "\\\\server\\share\\path", mockReferral));
    }

        when(tree.acquire(false)).thenReturn(tree);
        when(tree.getTreeType()).thenReturn(7);
        when(tree.getShare()).thenReturn("SHARE");
        setTree(c, tree);

        assertEquals(7, c.getTreeType());
        assertEquals("SHARE", c.getConnectedShare());
        // try-with-resources closes the acquired tree
        verify(tree, atLeastOnce()).close();
    }

    @Test