assertEquals("カテゴリ:技術", queryLog.getFilterQueryString());
    }

    @Test
    public void test_specialCharacters() throws Exception {
        String query = "test-query_with.special@chars!";
        QueryLog queryLog = new QueryLog(query, null);

        assertEquals(query, queryLog.getQueryString());
    }

    @Test
    public void test_longQuery() throws Exception {

     * @param beanDelimiter
     *            The delimiter for JavaBeans.
     * @return A {@link CopyOptions} with the specified delimiter for JavaBeans.
     * @see CopyOptions#beanDelimiter(char)
     */
    public static CopyOptions beanDelimiter(final char beanDelimiter) {
        return new CopyOptions().beanDelimiter(beanDelimiter);
    }

    /**
     * Returns a {@link CopyOptions} with the specified delimiter for {@literal Map}.

    default char[] getQueryHighlightBoundaryCharsAsArray() {
        final int[] values = getCrawlerDocumentCharsAsArray(QUERY_HIGHLIGHT_BOUNDARY_CHARS, getQueryHighlightBoundaryChars());
        final char[] chars = new char[values.length];
        for (int i = 0; i < values.length; i++) {
            chars[i] = (char) values[i];
        }
        return chars;
    }

     *
     * @param c the character to check
     * @return {@code true} if the character is a valid URL character, {@code false} otherwise
     */
    public static boolean isUrlChar(final char c) {
        return (c >= 'a' && c <= 'z') //
                || (c >= 'A' && c <= 'Z') //
                || (c >= '0' && c <= '9') //
                || c == '.' || c == '-' || c == '*' || c == '_' //

        assertEquals(longId.toString(), testRule.getRuleId());

        // Special characters in rule ID
        testRule.setRuleId("rule-id_with.special@chars#123");
        assertEquals("rule-id_with.special@chars#123", testRule.getRuleId());

        // Unicode characters
        testRule.setRuleId("ルール日本語");
        assertEquals("ルール日本語", testRule.getRuleId());

        // Whitespace

    /**
     * The prefix.
     */
    protected String prefix;

    /**
     * Delimiter for JavaBeans.
     */
    protected char beanDelimiter = '$';

    /**
     * Delimiter for Map.
     */
    protected char mapDelimiter = '.';

    /**
     * Converter associated with specific properties.
     */
    protected final Map<String, Converter> converterMap = newHashMap();

        String text = "Test123 ABC-456";
        String field = "content";
        String lang = "en";

        List<AnalyzeToken> tokens = analyzer.analyzeAndReading(text, field, lang);

        assertNotNull(tokens);
        assertEquals(2, tokens.size()); // "Test123" and "ABC-456" (hyphen is not a split char in our tokenizer)

                }
            } else if (Character.isDigit(line.charAt(0))) {
                final char[] data = line.toCharArray();
                int ip, i, j;
                Name name;
                NbtAddress addr;
                char c = '.';

                ip = i = 0;
                for (; i < data.length && c == '.'; i++) {
                    int b = 0x00;

     *
     * @param value input
     * @return escaped string.
     */
    public static String escape(final String value) {
        if (value == null) {
            return null;
        }

        char c;
        final int len = value.length();
        final StringBuilder buf = new StringBuilder(len * 2);

        for (int i = 0; i < len; i++) {
            c = value.charAt(i);
            String escaped = switch (c) {

    static String unescape(final String str) throws NumberFormatException, UnsupportedEncodingException {
        char ch;
        int i, j, state, len;
        char[] out;
        final byte[] b = new byte[1];

        if (str == null) {
            return null;
        }

        len = str.length();
        out = new char[len];
        state = 0;
        for (i = j = 0; i < len; i++) {
            switch (state) {