void testPathTraversal(String path) {
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validateSmbPath(path));
    }

    @ParameterizedTest
    @DisplayName("Test valid SMB paths")

package jcifs.internal.util;

/**
 * Utility class providing string manipulation methods for the jCIFS library.
 * Contains helper methods for string operations, including backported JDK functionality
 * for compatibility with older Java versions.
 */
public final class StringUtil {

    /**
     *
     */
    private StringUtil() {
    }

    /**
     * Implementation of {@link java.lang.String#join} backported for JDK7.

        when(file1.length()).thenReturn(2048L);
        when(file1.lastModified()).thenReturn(System.currentTimeMillis());

        SmbFile dir1 = mock(SmbFile.class);
        when(dir1.getName()).thenReturn("folder/");
        when(dir1.isDirectory()).thenReturn(true);

        when(smbFile.listFiles()).thenReturn(new SmbFile[] { file1, dir1 });
        when(smbFile.getLocator()).thenReturn(locator);

                                </c:forEach>
                                / <c:if test="${editable}"><a data-toggle="modal" data-target="#createDir" href="#"><i
                                    class="fas fa-folder fa-fw" aria-hidden="true"></i></a></c:if>
                            </h3>
                            <c:if test="${editable}">
								<div class="card-tools">

     */
    @Test
    @DisplayName("Test writeString handles path separators correctly")
    public void testWriteStringWithPathSeparators() {
        // Given
        String oldFileName = "folder\\oldFile.txt";
        String newFileName = "folder\\newFile.txt";
        byte[] dst = new byte[200];
        smbComRename = new SmbComRename(config, oldFileName, newFileName);
        int dstIndex = 0;

        // When

        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);
        assertThrows(SmbException.class, () -> {

        Thread.sleep(10); // Small delay to ensure different timestamps
        Smb2LeaseKey key2 = leaseManager.requestLease(path2, Smb2LeaseState.SMB2_LEASE_WRITE_CACHING);

        // Clean up leases older than 5ms
        int cleaned = leaseManager.cleanupExpiredLeases(5);

        // At least the first lease should be cleaned
        assertTrue(cleaned >= 1);

        // Check if old lease was removed

     *
     * @return the access mask
     */
    int getAccessMask();

    /**
     * Returns the 'Apply To' text for inheritance of ACEs on
     * directories such as 'This folder, subfolder and files'. For
     * files the text is always 'This object only'.
     *
     * @return descriptive text for the ACE scope
     */
    String getApplyToText();

    /**

    }

    @Test
    @DisplayName("Test path with special characters")
    void testPathWithSpecialCharacters() {
        String specialPath = "folder\\file with spaces.txt";
        request = new Smb2CreateRequest(mockConfig, specialPath);
        assertEquals("\\folder\\file with spaces.txt", request.getPath());

        String unicodePath = "文件夹\\文件.txt";
        request = new Smb2CreateRequest(mockConfig, unicodePath);

         * @param level the information level
         * @param prefmaxlen the preferred maximum length
         * @param info the enumeration structure
         * @param totalentries holder for total entries count
         */
        public NetrDfsEnumEx(final String dfs_name, final int level, final int prefmaxlen, final DfsEnumStruct info,
                final NdrLong totalentries) {