assertEquals("\\test\\path\\", trans2FindFirst2.getPath());
    }

    @Test
    @DisplayName("Test constructor with path ending in backslash")
    void testConstructorWithPathEndingInBackslash() {
        // Test path already ending with backslash
        trans2FindFirst2 = new Trans2FindFirst2(mockConfig, "\\test\\path\\", "*.doc", 0x16, 20, 2048);

        assertEquals("\\test\\path\\", trans2FindFirst2.getPath());

        request.setPath("test\\file.txt");
        assertEquals("\\test\\file.txt", request.getPath());

        // Test path with leading backslash (should be stripped)
        request.setPath("\\test\\file.txt");
        assertEquals("\\test\\file.txt", request.getPath());

        // Test path with trailing backslash (should be stripped)
        request.setPath("test\\directory\\");
        assertEquals("\\test\\directory", request.getPath());

     */
    @Required
    public MultipartFormFile designFile;

    /**
     * The name for the design file being uploaded.
     * Must not contain invalid file system characters like backslash, colon, asterisk, etc.
     */
    @Pattern(regexp = "^[^\\\\|/|:|\\*|?|\"|<|>|\\|]+$", message = "{errors.design_file_name_is_invalid}")
    public String designFileName;

    /**

    @Test
    @DisplayName("handleDFSReferral returns resolved UNC path as stubbed")
    void handleDfsReferralValidInputs() {
        // Edge-like Windows UNC-style: a single backslash in the path
        String reqPath = "\\";
        String resolved = "smb://server/share/path";
        when(locator.handleDFSReferral(referral, reqPath)).thenReturn(resolved);

        assertFalse(CharUtil.isUrlChar('<')); // less than
        assertFalse(CharUtil.isUrlChar('>')); // greater than
        assertFalse(CharUtil.isUrlChar('"')); // double quote
        assertFalse(CharUtil.isUrlChar('\\')); // backslash
        assertFalse(CharUtil.isUrlChar('`')); // backtick
    }

    public void test_isUrlChar_controlCharacters() {
        // Test control characters
        assertFalse(CharUtil.isUrlChar('\u0000')); // null

            if (inDfs && !service.equals("IPC") && request.path != null && request.path.length() > 0) {
                /* When DFS is in action all request paths are
                 * full UNC paths minus the first backslash like
                 *   \server\share\path\to\file
                 * as opposed to normally
                 *   \path\to\file
                 */

        verify(tree, times(1)).acquire();
        verify(tree, times(1)).release(); // closed after failure
    }

    @Test
    @DisplayName("open(): invalid UNC without trailing backslash throws SmbException")
    void invalidUncThrows() throws Exception {
        // Override the default setup for this specific test
        when(locator.getUNCPath()).thenReturn("\\\\SERVER\\Share\\dir"); // missing trailing \\

#
#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
#   set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#

    }

    /**
     * Escapes specific characters in a query string.
     * Replaces each specified character with its escaped version (prefixed with backslash).
     *
     * @param q the query string to escape
     * @param values the characters to escape
     * @return the escaped query string
     */

        return out.toString();
    }

    /**
     * <p>Escapes the characters in a <code>String</code> using Java String rules.</p>
     *
     * <p>Deals correctly with quotes and control-chars (tab, backslash, cr, ff, etc.) </p>
     *
     * <p>So a tab becomes the characters <code>'\\'</code> and
     * <code>'t'</code>.</p>
     *
     * <p>The only difference between Java strings and JavaScript strings