logger.debug(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.*", "!/");

        assertEquals("NOT aaa NOT bbb", getAsQuery("111", Collections.singletonMap(k, new String[] { "aaa bbb" })));
    }

    public void test_escape() {
        assertEquals("\\/", getQuery("/", new String[0], Collections.emptyMap(), Collections.emptyMap(), true));