assertFileExistence(dir, filename, true);

        File file = new File(dir, filename);

        String contents = FileUtils.fileRead(file, encoding);

        assertEquals(contentsTest, contents);
    }

    public File createFile(File dir, String filename, String contents, String encoding) throws IOException {
        File file = new File(dir, filename);

        file.getParentFile().mkdirs();

        assertQueryBuilder("content", "test", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("content", "a", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("content", "あ", PrefixQueryBuilder.class);
        assertQueryBuilder("content", "ああ", MatchPhraseQueryBuilder.class);
        assertQueryBuilder("content", "ア", PrefixQueryBuilder.class);
        assertQueryBuilder("content", "アア", MatchPhraseQueryBuilder.class);

   * are actually available for reading. (For example, some special files may return a size of 0
   * despite actually having content when read.) This means that a source may return {@code true}
   * from {@code isEmpty()} despite having readable content.
   *
   * @throws IOException if an I/O error occurs
   * @since 15.0
   */
  public boolean isEmpty() throws IOException {

 * </ul>
 *
 * <p>Several methods in this class, such as {@link #readLines()}, break the contents of the source
 * into lines. Like {@link BufferedReader}, these methods break lines on any of {@code \n}, {@code
 * \r} or {@code \r\n}, do not include the line separator in each line and do not consider there to
 * be an empty line at the end if the contents are terminated with a line separator.
 *

   * attribute values and in most elements' text contents, provided that the HTML
   * document's character encoding can encode any non-ASCII code points in the input (as UTF-8 and
   * other Unicode encodings can).
   *
   * <p><b>Note:</b> This escaper only performs minimal escaping to make content structurally
   * compatible with HTML. Specifically, it does not perform entity replacement (symbolic or

    }

    private void assertQuery(QueryBuilder query1, QueryContext context) {
        assertQuery(query1, null, null, context);
    }

    private void assertQuery(QueryBuilder query1, Map<String, List<String>> fieldLogMap, Set<String> highlightedQuerySet,
            QueryContext context) {
        assertEquals(query1.toString(), context.getQueryBuilder().toString());
        assertFieldLogs(fieldLogMap);

   * safely be included in an XML document as element content. See section <a
   * href="http://www.w3.org/TR/2008/REC-xml-20081126/#syntax">2.4</a> of the XML specification.
   *
   * <p><b>Note:</b> Double and single quotes are not escaped, so it is <b>not safe</b> to use this
   * escaper to escape attribute values. Use {@link #xmlContentEscaper} if the output can appear in
   * element content or {@link #xmlAttributeEscaper} in attribute values.
   *

            String[] fieldAndValue = query.split(":");
            assertTrue(doc.get("content_description").toString().toLowerCase().contains(fieldAndValue[1]), doc.toString());
        }
    }

    @Test
    public void searchTestWithSort() throws Exception {
        String sortField = "content_length";
        Map<String, String> params = new HashMap<>();
        params.put("q", "*");

    /** The key of the configuration. e.g. important_content */
    String INDEX_FIELD_important_content = "index.field.important_content";

    /** The key of the configuration. e.g. content */
    String INDEX_FIELD_CONTENT = "index.field.content";

    /** The key of the configuration. e.g. content_minhash_bits */
    String INDEX_FIELD_content_minhash_bits = "index.field.content_minhash_bits";

    protected static final String SCREEN_WIDTH = "screen_width";

    protected static final int TABLET_WIDTH = 768;

    protected static final String CONTENT_DISPOSITION = "Content-Disposition";

    protected static final String HL_CACHE = "hl_cache";

    protected static final String QUERIES = "queries";

    protected static final String CACHE_MSG = "cache_msg";