throw new SmbException("Invalid server name in UNC path");
        }

        // Validate share name
        String share = parts[1];
        if (share.isEmpty() || share.endsWith("$") && share.length() == 1) {
            throw new SmbException("Invalid share name in UNC path");
        }
    }

    /**
     * Validate individual path components
     */

                () -> new SmbFileHandleImpl(cfg, new byte[] { 1, 2 }, null, "//server/share", 0, 0, 0, 0, 0L));
    }

    @Test
    @DisplayName("Constructor with null cfg throws NPE")
    void constructor_nullCfg_throwsNPE() {
        stubValidTree(7L, true, true);
        assertThrows(NullPointerException.class, () -> new SmbFileHandleImpl(null, 42, tree, "//server/share", 0, 0, 0, 0, 0L));
    }

    @Test

        // Write valid structure (16 bytes)
        SMBUtil.writeInt2(16, buffer, offset); // Structure size
        buffer[offset + 2] = (byte) 0x01; // Share type (DISK)
        buffer[offset + 3] = 0; // Reserved
        SMBUtil.writeInt4(0x8001, buffer, offset + 4); // Share flags (DFS | ENCRYPT_DATA)
        SMBUtil.writeInt4(0x28, buffer, offset + 8); // Capabilities (DFS | SCALEOUT)

        @ParameterizedTest
        @DisplayName("Should calculate correct size for various path lengths")
        @CsvSource({ "'', 4", "'a', 6", "'\\\\', 8", "'\\\\server', 20", "'\\\\server\\share', 32", "'\\\\server\\share\\path', 42",
                "'\\\\server\\share\\very\\long\\path\\with\\many\\segments', 100" })
        void testSizeCalculation(String path, int expectedSize) {
            buffer = new DfsReferralRequestBuffer(path, 3);

     */
    CLIENT_MOVE(2),

    /**
     * Share moved to different node - share mobility event
     */
    SHARE_MOVE(3),

    /**
     * IP address changed - network configuration change
     */
    IP_CHANGE(4),

    /**
     * Share deleted - share removal notification
     */
    SHARE_DELETE(5),

    /**

     * @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

    }

    @Test
    @DisplayName("Should get share")
    void testGetShare() {
        // Given
        String share = "testshare";
        when(mockReferralData.getShare()).thenReturn(share);

        // When
        String result = mockReferralData.getShare();

        // Then
        assertEquals(share, result);
        verify(mockReferralData).getShare();
    }

    @Test

    }

    @Test
    @DisplayName("Test getPath returns correct formatted path")
    void testGetPath() {
        request = new Smb2CreateRequest(mockConfig, "share\\file.txt");
        assertEquals("\\share\\file.txt", request.getPath());

        request.setPath("newpath\\newfile.txt");
        assertEquals("\\newpath\\newfile.txt", request.getPath());
    }

    @Test

     */
    String getURLPath();

    /**
     * Retrieves the share associated with this SMB resource. In
     * the case of <code>smb://</code>, <code>smb://workgroup/</code>,
     * and <code>smb://server/</code> URLs which do not specify a share,
     * <code>null</code> will be returned.
     *
     * @return The share component or <code>null</code> if there is no share
     */
    String getShare();

    /**

        CompletableFuture<WitnessRegistration> future = client.registerForNotifications("\\\\server\\share", serverAddress, listener);

        WitnessRegistration registration = future.get(5, TimeUnit.SECONDS);

        assertNotNull(registration);
        assertEquals(WitnessRegistrationState.REGISTERED, registration.getState());
        assertEquals("\\\\server\\share", registration.getShareName());