url = "http://hoge/index.html?a=1&b=2";
        assertEquals(url, htmlTransformer.normalizeUrl(url));

        url = "http://hoge/index.html#hoge";
        assertEquals("http://hoge/index.html", htmlTransformer.normalizeUrl(url));

        url = "http://hoge/index.html#";
        assertEquals("http://hoge/index.html", htmlTransformer.normalizeUrl(url));

        // Arrange & Act: constructing this URL triggers Handler.parseURL("smb://")
        Handler handler = newHandler();
        URL url = new URL(null, "smb://", handler);

        // Assert
        assertEquals("smb", url.getProtocol());
        assertEquals(SmbConstants.DEFAULT_PORT, url.getPort(), "Default port applied for root smb URL");
        assertNull(url.getRef(), "Ref should remain null for root URL");
    }

        // Test with special characters in URL
        String url = "http://example.com/test?param=value&other=value#fragment";
        String message = "Error with special URL";
        Exception cause = new RuntimeException("Error cause");

        DataStoreCrawlingException exception = new DataStoreCrawlingException(url, message, cause);

        assertEquals(url, exception.getUrl());

    /**
     * Returns the URL of the accessed resource.
     *
     * @return the URL
     */
    String getUrl();

    /**
     * Sets the URL of the accessed resource.
     *
     * @param url the URL
     */
    void setUrl(String url);

    /**
     * Returns the parent URL of the accessed resource.
     *
     * @return the parent URL
     */
    String getParentUrl();

    /**

            }
            String u = url;
            for (int i = 0; i < maxRedirectCount; i++) {
                try (final ResponseData responseData = client.execute(RequestDataBuilder.newRequestData().get().url(u).build())) {
                    if (StringUtil.isNotBlank(responseData.getRedirectLocation())) {
                        u = responseData.getRedirectLocation();
                        continue;

        sessionMap.clear();
    }

    /**
     * Returns a list of access results for the specified URL across all sessions.
     * @param url the URL to search for
     * @return the list of access results for the URL
     */
    public synchronized List<AccessResultImpl<Long>> getAccessResultList(final String url) {
        final List<AccessResultImpl<Long>> acList = new ArrayList<>();

  }

  @Test
  fun fragmentNonAsciiThatOffendsJavaNetUri() {
    val url = "http://host/#\u0080".toHttpUrl()
    assertThat(url.toString()).isEqualTo("http://host/#\u0080")
    assertThat(url.fragment).isEqualTo("\u0080")
    assertThat(url.encodedFragment).isEqualTo("\u0080")
    // Control characters may be stripped!
    assertThat(url.toUri()).isEqualTo(URI("http://host/#"))
  }

  @Test

    }

    /**
     * Creates a URL object from the current URL and a relative or absolute URL string.
     *
     * @param currentUrl the current URL as base
     * @param url the URL string to process
     * @return the URL object
     * @throws MalformedURLException if the URL is malformed
     */
    protected URL getURL(final String currentUrl, final String url) throws MalformedURLException {

    public void test_getClient_null() {
        String url;
        CrawlerClient client;

        url = null;
        client = clientFactory.getClient(url);
        assertNull(client);

        url = "";
        client = clientFactory.getClient(url);
        assertNull(client);

        url = " ";
        client = clientFactory.getClient(url);
        assertNull(client);
    }

     * This method applies duplicate host conversion before storing the URL.
     *
     * @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