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

                    // Missing trailing slash -> should complain about directory ending
                    Arguments.of("smb://server/share", "/share", true),
                    // Not a server root -> invalid list operation
                    Arguments.of("smb://server/share/", "/share/", false));
        }

        @ParameterizedTest(name = "invalid path: {0}")
        @MethodSource("invalidShareEnumCases")

        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());

                            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) {

    @Size(max = 10)
    public String replaceAliases;

    /**
     * The flag to reset dictionaries.
     */
    @Size(max = 10)
    public String resetDictionaries;

    /**
     * The number of shards for doc.
     */
    @Size(max = 10)
    public String numberOfShardsForDoc = ComponentUtil.getFessConfig().getIndexNumberOfShards();

    /**
     * The auto expand replicas for doc.
     */
    @Size(max = 10)

        return this.service;
    }

    /**
     * Returns the native file system type of the connected share.
     *
     * @return the nativeFileSystem
     */
    public final String getNativeFileSystem() {
        return this.nativeFileSystem;
    }

    /**
     * Indicates whether the share supports search operations with search bits.
     *
     * @return the supportSearchBits
     */

        assertEquals(testSharename, msrpcShareGetInfo.sharename);
    }

    @ParameterizedTest
    @NullAndEmptySource
    @ValueSource(strings = { "", "share1", "\\\\server\\share", "C$", "ADMIN$", "IPC$" })
    void testConstructorWithDifferentSharenames(String sharename) {
        // Test with various sharename values

        setField(session, "sessionKey", key);
        assertArrayEquals(key, session.getSessionKey());
    }

    @Test
    @DisplayName("getSmbTree returns same instance for same share/service")
    void testGetSmbTreeReuses() {
        SmbSessionImpl session = newSession();
        SmbTreeImpl t1 = session.getSmbTree("IPC$", null);

            throw new IOException("Witness async notify RPC failed", e);
        }
    }

    /**
     * Generates a registration ID from context handle and share name.
     *
     * @param contextHandle the context handle
     * @param shareName the share name
     * @return the registration ID
     */
    private String generateRegistrationId(byte[] contextHandle, String shareName) {