public void test_isUrlChar_extendedAscii() {
        // Test extended ASCII characters (not valid URL chars without encoding)
        assertFalse(CharUtil.isUrlChar('\u00A0')); // non-breaking space
        assertFalse(CharUtil.isUrlChar('\u00FF')); // ÿ
    }

    public void test_isUrlChar_unicode() {
        // Test Unicode characters (not valid URL chars without encoding)
        assertFalse(CharUtil.isUrlChar('\u3042')); // あ (Hiragana)

            // Add a valid text entry
            final ZipEntry entry1 = new ZipEntry("valid.txt");
            zos.putNextEntry(entry1);
            zos.write("Valid content テスト".getBytes("UTF-8"));
            zos.closeEntry();

            // Add another valid entry
            final ZipEntry entry2 = new ZipEntry("another.txt");
            zos.putNextEntry(entry2);

    public boolean hasAccess(RdmaAccess access) {
        return accessFlags.contains(access);
    }

    /**
     * Check if memory region is still valid
     *
     * @return true if valid, false if invalidated
     */
    public boolean isValid() {
        return valid;
    }

    /**
     * Invalidate this memory region
     *
     * After invalidation, the region cannot be used for RDMA operations.

# This file contains various malformed directives that should be handled gracefully

# Case 1: Directives before any User-agent (should be ignored)
Disallow: /orphaned1/
Allow: /orphaned2/

# Case 2: Valid user-agent with various malformed directives
User-agent: GoodBot
Disallow: /admin/
InvalidDirective: some-value
unknown-field: test
Disallow /missing-colon
Disallow:    # empty value (should be treated as allowing all)

     */
    public void setValue(final String value) {
        this.value = value;
    }

    /**
     * Checks if the request header is valid.
     * A header is considered valid if its name is not blank and its value is not null.
     * @return true if the header is valid, false otherwise.
     */
    public boolean isValid() {
        if (StringUtil.isBlank(name) || value == null) {
            return false;
        }

    }

    public void test_stripInvalidXMLCharacters_valid() {
        // Test valid XML characters
        String input = "Valid XML text 123\t\n\r";
        String result = XmlUtil.stripInvalidXMLCharacters(input);
        assertNotNull(result);
        assertTrue(result.contains("Valid XML text 123"));
    }

    public void test_stripInvalidXMLCharacters_withInvalidChars() {

        }

        // Should parse valid directives and ignore invalid ones
        assertNotNull(robotsTxt);
        assertFalse(robotsTxt.allows("/valid1/", "TestBot"));
        assertFalse(robotsTxt.allows("/valid2/", "TestBot"));
        assertTrue(robotsTxt.allows("/valid3/", "TestBot"));
        assertFalse(robotsTxt.allows("/valid4/", "TestBot"));
    }

    public void testParse_emptyValues() {

        return determineValid(value);
    }

    /**
     * Determines if the given value is a valid cron expression.
     * @param value the value to validate
     * @return true if valid, false otherwise
     */
    protected boolean determineValid(final String value) {
        if (StringUtil.isNotBlank(value) && !LaCronUtil.isCronExpValid(value)) {

    /**
     * Checks if the given character is a valid URL character.
     *
     * Valid URL characters include:
     * - Lowercase letters (a-z)
     * - Uppercase letters (A-Z)
     * - Digits (0-9)
     * - Special characters: . - * _ : / + % = & ? # [ ] @ ~ ! $ ' ( ) , ;
     *
     * @param c the character to check
     * @return {@code true} if the character is a valid URL character, {@code false} otherwise
     */

    /**
     *  Use an XPath string to select a nodelist.
     *  XPath namespace prefixes are resolved from the contextNode.
     *
     *  @param contextNode The node to start searching from.
     *  @param expression A valid XPath string.
     *  @return A XPathNodes, should never be null.
     *
     * @throws XPathExpressionException if an XPath expression error occurs.
     */