// Normal extensions should be allowed
        assertEquals("\\share\\file.txt", validator.validatePath("\\share\\file.txt"));
        assertEquals("\\share\\document.docx", validator.validatePath("\\share\\document.docx"));
        assertEquals("\\share\\archive.tar.gz", validator.validatePath("\\share\\archive.tar.gz"));
    }

    @Test
    public void testInternationalCharacters() throws Exception {

        }
    }

    /**
     * Validates share name
     *
     * @param share the share name to validate
     * @throws IllegalArgumentException if share name is invalid
     */
    public static void validateShareName(String share) {
        if (share == null || share.isEmpty()) {
            throw new IllegalArgumentException("Share name cannot be null or empty");
        }

    }

    @ParameterizedTest
    @DisplayName("Test valid share names")
    @ValueSource(strings = { "share", "share$", "SHARE", "share123", "share-name", "share_name", "share.name" })
    void testValidShareNames(String share) {
        assertDoesNotThrow(() -> InputValidator.validateShareName(share));
    }

    @Test
    @DisplayName("Test port validation")
    void testPortValidation() {

    private final List<StackTraceElement[]> releases;

    private DfsReferralData treeReferral;

    SmbTreeImpl(final SmbSessionImpl session, final String share, final String service) {
        this.session = session.acquire();
        this.share = share.toUpperCase();
        if (service != null && !service.startsWith("??")) {
            this.service = service;
        }
        this.service0 = this.service;

 *  smb1://host/share/foo/bar/
 * </code></td><td ><code>
 *  ../zip/
 * </code></td><td><code>
 *  smb1://host/share/foo/zip/
 * </code></td></tr>
 *
 * <tr><td ><code>
 *  smb1://host/share/zig/zag
 * </code></td><td ><code>
 *  smb1://foo/bar/
 * </code></td><td><code>
 *  smb1://foo/bar/
 * </code></td></tr>
 *
 * <tr><td ><code>
 *  smb1://host/share/foo/
 * </code></td><td ><code>

            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
     */

                            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);

    void testToString() {
        // Given
        exception = new SmbOperationException(SmbOperationException.ErrorCode.ACCESS_DENIED, "Cannot access share");
        exception.withContext("share", "\\\\server\\share");
        exception.withContext("user", "john");

        // When
        String str = exception.toString();

        // Then
        assertNotNull(str);

									}
									// Update to new config and add current
									valid := 0
									for shardIdx, shard := range splitFilled[:k] {
										shardConfig[shardIdx] = shard[offset]
										valid += int(shard[offset])
										if shard[offset] == 0 {
											shards[shardIdx] = shards[shardIdx][:0]
										} else {