System.out.println(c.toString());
        }).orElse(() -> fail());
        LabelType[] labelTypes = parser.getLabelTypes();
        assertEquals(3, labelTypes.length);
    }

    public void test_escape() {
        // https://www.google.com/support/enterprise/static/gsa/docs/admin/70/gsa_doc_set/admin_crawl/url_patterns.html#1076127
        assertEscapePattern("", "# Test");
        assertEscapePattern(".*\\Q!/\\E.*", "!/");

    }

    public QueryStringBuilder sortField(final String sortField) {
        this.sortField = sortField;
        return this;
    }

    public QueryStringBuilder escape(final boolean escape) {
        this.escape = escape;
        return this;
    }

                return null;
            }

            @Override
            public HighlightInfo getHighlightInfo() {
                return new HighlightInfo();
            }

        }).escape(escape).build();
    }

            }

            // Unescape
            if (result.indexOf(ESCAPED_QUOTE) >= 0) {
                result = result.replace(ESCAPED_QUOTE, "\"");
            }
        }

        return result;

    }

    /**
     * Quote and escape input value for CSV
     *
     * @param original Original text.
     * @return Escaped text.
     */

            return escape(s) + ".*";
        }
        final StringBuilder buf = new StringBuilder(100);
        return appendFileterPath(buf, escape(s));
    }

    protected String escape(final String s) {
        if (s.startsWith("#")) {
            return StringUtil.EMPTY;
        }
        if (s.startsWith("^") && s.endsWith("$")) {

            if (logger.isDebugEnabled()) {
                logger.debug("Invalid query: {}", query, e);
            }
            query = ComponentUtil.getQueryStringBuilder().params(params).sortField(params.getSort()).escape(true).build();
            documentItems = searchInternal(query, params, userBean);
        }

        data.setDocumentItems(documentItems);

        // search

    }

    protected String escapeHighlight(final String text) {
        final String escaped = LaFunctions.h(text);
        final String value;
        if (ComponentUtil.getFessConfig().isQueryHighlightBoundaryPositionDetect()) {
            int pos = escaped.indexOf(escapedHighlightPre);
            while (pos >= 0) {
                final int c = escaped.codePointAt(pos);

                buildQuery("url:QUERY*"));
        assertQueryContext(buildQuery("url:QUERY*").getQueryBuilder().toString().replaceAll("\\s", ""), buildQuery("url:\"QUERY*\""));

    }

    public void test_build_escape() {
        assertQueryContext(