assertNull(pdfExtractor.getPassword(params));
    }

    public void test_getPassword() {
        String url;
        String resourceName;
        pdfExtractor.addPassword(".*hoge1.pdf", "password");
        pdfExtractor.addPassword("fuga.pdf", "PASSWORD");
        HashMap<String, String> params = new HashMap<>();

        url = null;
        resourceName = null;
        params.put(ExtractData.URL, url);

 * It provides functionality to manage passwords for different file patterns using regular expressions.
 *
 * <p>The extractor supports two types of password management:
 * <ul>
 *   <li>Static passwords configured via {@link #addPassword(String, String)}</li>
 *   <li>Dynamic passwords provided through extraction parameters</li>
 * </ul>
 *
 * <p>Passwords are matched against URLs or resource names using regular expression patterns.

    }

    public void test_getPdfPassword() {
        String url;
        String resourceName;
        tikaExtractor.addPassword(".*hoge1.pdf", "password");
        tikaExtractor.addPassword("fuga.pdf", "PASSWORD");

        url = null;
        resourceName = null;
        assertNull(tikaExtractor.getPassword(createParams(url, resourceName)));