// Test with normal URLs
        String parentUrl = "http://example.com/parent";
        String url = "http://example.com/child";
        ContentNotFoundException exception = new ContentNotFoundException(parentUrl, url);

        assertNotNull(exception);
        assertEquals("Not Found: http://example.com/child Parent: http://example.com/parent", exception.getMessage());
        assertNull(exception.getCause());
    }

        assertEquals("/share/folder/file.txt", relativeUrl.getPath());

        // Test parent directory navigation
        URL parentUrl = new URL(baseUrl, "../other/file.txt");
        assertEquals("smb", parentUrl.getProtocol());
        assertEquals("server", parentUrl.getHost());
        assertEquals("/other/file.txt", parentUrl.getPath());
    }

    @Test

     *
     * @param childUrl the child URL to store
     * @param parentUrl the parent URL that referenced this child URL
     * @param weight the weight/priority of the child URL
     * @param depth the crawling depth of the child URL
     */
    @Override
    protected void storeChildUrl(final String childUrl, final String parentUrl, final float weight, final int depth) {
        if (StringUtil.isNotBlank(childUrl)) {

     * Stores a single child URL to the crawling queue.
     * @param childUrl The child URL to store.
     * @param parentUrl The parent URL.
     * @param weight The weight of the child URL.
     * @param depth The depth of the child URL.
     */
    protected void storeChildUrl(final String childUrl, final String parentUrl, final float weight, final int depth) {
        if (crawlerContext.getMaxDepth() >= 0 && depth > crawlerContext.getMaxDepth()) {

    }

    @Test
    @DisplayName("toString should include parent class information")
    void testToStringIncludesParentInfo() {
        // Act
        String result = response.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransWaitNamedPipeResponse"));
        // Verify that parent's toString is called (should contain standard fields)

    }

    @Test
    @DisplayName("toString should include parent class information")
    void testToStringIncludesParentInfo() {
        // Act
        String result = response.toString();

        // Assert
        assertNotNull(result);
        assertTrue(result.contains("TransPeekNamedPipeResponse"));
        // Verify that parent's toString is called (should contain standard fields)

        // parentId
        String parentUrl = responseData.getParentUrl();
        if (StringUtil.isNotBlank(parentUrl)) {
            parentUrl = pathMappingHelper.replaceUrl(sessionId, parentUrl);
            putResultDataBody(dataMap, fessConfig.getIndexFieldUrl(), parentUrl);

        }
        return new PathInfo(buf.toString(), values[values.length - 1]);
    }

    /**
     * Creates an encoded parent directory ID from a path prefix.
     *
     * @param prefix the current path prefix
     * @return encoded parent directory ID, or empty string if at root
     */
    protected static String createParentId(final String prefix) {
        if (prefix == null) {

            return parent.isEmpty();
        }

        @Override
        public boolean contains(final Object o) {
            return parent.contains(o);
        }

        @Override
        public Iterator<E> iterator() {
            return parent.iterator();
        }

        @Override
        public Object[] toArray() {
            return parent.toArray();
        }

        // Verify filter interactions: not called for '.' and '..', called for others
        verify(nameFilter, never()).accept(parent, ".");
        verify(nameFilter, never()).accept(parent, "..");
        ArgumentCaptor<String> nameCaptor = ArgumentCaptor.forClass(String.class);
        verify(nameFilter, atLeast(1)).accept(eq(parent), nameCaptor.capture());
        assertTrue(nameCaptor.getAllValues().contains(acceptedName));