try {
            tikaExtractor.getText(in, null);
            fail();
        } catch (final ExtractException e) {
            logger.info(e.getMessage());
        }
    }

    public void test_getTika_tar() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/tar/test.tar");
        final ExtractData extractData = tikaExtractor.getText(in, null);

                int offset = 0;
                for (int i = 0; i < readingTokenList.size(); i++) {
                    final String term = termTokenList.get(i).getTerm();
                    String reading = readingTokenList.get(i).getTerm();
                    if (Strings.isNullOrEmpty(reading)) {
                        reading = term;
                    }

                relatedContentMap.put(key, pair);
            }
            if (entity.getTerm().startsWith(regexPrefix)) {
                final String regex = entity.getTerm().substring(regexPrefix.length());
                if (StringUtil.isBlank(regex)) {
                    logger.warn("Unknown regex pattern: {}", entity.getTerm());
                } else {

            zipExtractor.setMaxContentSize(100);
            zipExtractor.getText(in, null);
            fail();
        } catch (MaxLengthExceededException e) {
            // pass
        }
        zipExtractor.setMaxContentSize(-1);
    }

    public void test_getText_null() {
        try {
            zipExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {

        final String content = htmlXpathExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getHtml_sjis() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/test_sjis.html");
        final String content = htmlXpathExtractor.getText(in, null).getContent();

     */
    private CharUtil() {
    }

    /**
     * Checks if the given character is a valid URL character.
     *
     * Valid URL characters include:
     * - Lowercase letters (a-z)
     * - Uppercase letters (A-Z)
     * - Digits (0-9)
     * - Special characters: . - * _ : / + % = & ? # [ ] @ ~ ! $ ' ( ) , ;
     *
     * @param c the character to check

    }

    /**
     * Tests that the getter for the underlying pipe resource returns the correct instance.
     */
    @Test
    public void testGetPipe() {
        assertEquals(mockPipeResource, smbPipeHandle.getPipe(), "getPipe() should return the underlying pipe resource.");
    }

    /**
     * Tests that the getter for the input stream returns the correct stream.

    }

    @Test
    @DisplayName("Test subCommand getter and setter")
    void testSubCommandGetterSetter() {
        byte subcommand = (byte) 0x05;
        response.setSubCommand(subcommand);
        assertEquals(subcommand, response.getSubCommand());
    }

    @Test
    @DisplayName("Test status getter and setter")
    void testStatusGetterSetter() {
        assertEquals(0, response.getStatus());

        ExtractData extractData = jodExtractor.getText(in, null);
        String content = extractData.getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            jodExtractor.getText(null, null);
            fail();
        } catch (CrawlerSystemException e) {

    public void test_isUrlChar_lowercase() {
        // Test lowercase letters
        assertTrue(CharUtil.isUrlChar('a'));
        assertTrue(CharUtil.isUrlChar('m'));
        assertTrue(CharUtil.isUrlChar('z'));
    }

    public void test_isUrlChar_uppercase() {
        // Test uppercase letters
        assertTrue(CharUtil.isUrlChar('A'));
        assertTrue(CharUtil.isUrlChar('M'));