for (RequestData rd : childUrls) {
                urls.add(rd.getUrl());
            }
            assertTrue(urls.contains("https://example.com/page1"));
            assertTrue(urls.contains("https://example.com/page2"));
            assertTrue(urls.contains("https://example.com/page3"));
        }
    }

    public void test_processEmptySitemapSet() {
        // Setup

        logger.info(content);
        assertTrue(content.contains("本文1"));
        assertTrue(content.contains("本文2"));
        assertTrue(content.contains("画像1"));
        assertTrue(content.contains("画像2"));
        assertTrue(content.contains("タイトル1"));
        assertTrue(content.contains("タイトル2"));
        assertTrue(content.contains("リンク1"));
    }

    public void test_getHtml_empty() {

        // Then
        assertEquals(cause, exception.getCause());
        assertNotNull(exception.getMessage());
        // The message should contain information about the cause
        assertTrue(exception.getMessage().contains("RuntimeException"));
        assertTrue(exception.getMessage().contains("Specific cause message"));
    }

  /**
   * Determines whether this multiset contains the specified element.
   *
   * <p>This method refines {@link Collection#contains} to further specify that it <b>may not</b>
   * throw an exception in response to {@code element} being null or of the wrong type.
   *
   * @param element the element to check for
   * @return {@code true} if this multiset contains at least one occurrence of the element
   */
  @Override

    /**
     * Returns a Set view of the keys contained in this map.
     *
     * @return a set view of the keys contained in this map
     */
    @Override
    public Set<String> keySet() {
        return parent.keySet();
    }

    /**
     * Returns a Collection view of the values contained in this map.
     *
     * @return a collection view of the values contained in this map
     */
    @Override

   * contained in this set. This is equivalent to {@code range(CLOSED, CLOSED)}.
   *
   * @throws NoSuchElementException if this set is empty
   */
  public abstract Range<C> range();

  /**
   * Returns the minimal range with the given boundary types for which all values in this set are
   * {@linkplain Range#contains(Comparable) contained} within the range.
   *

    }

    public void test_convertSha() {
        List<String> results = converter.convert("シャ", null);
        assertTrue(results.contains("sya"));
        assertTrue(results.contains("sha"));
    }

    public void test_convertCha() {
        List<String> results = converter.convert("チャ", null);
        assertTrue(results.contains("tya"));
        assertTrue(results.contains("cha"));
    }

    public XmlExtractor xmlExtractor;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("xmlExtractor", XmlExtractor.class);
        xmlExtractor = container.getComponent("xmlExtractor");
    }

    public void test_getXml_utf8() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/test_utf8.xml");

            assertTrue(methodNames.contains("close"), "Should contain close method");
            assertTrue(methodNames.contains("getConfig"), "Should contain getConfig method");
            assertTrue(methodNames.contains("unwrap"), "Should contain unwrap method");
            assertTrue(methodNames.contains("getContext"), "Should contain getContext method");
        }

        @Test

    }
  }

  /**
   * Returns {@code true} if this queue contains the specified element. More formally, returns
   * {@code true} if and only if this queue contains at least one element {@code e} such that {@code
   * o.equals(e)}.
   *
   * @param o object to be checked for containment in this queue
   * @return {@code true} if this queue contains the specified element
   */
  @CanIgnoreReturnValue
  @Override