assertEquals("resourceName", ExtractData.RESOURCE_NAME_KEY);
        assertEquals("url", ExtractData.URL);
        assertEquals("file.passwords", ExtractData.FILE_PASSWORDS);
    }

    public void test_usingPredefinedConstants() {
        // Test using predefined constants
        ExtractData data = new ExtractData();

        data.putValue(ExtractData.RESOURCE_NAME_KEY, "test.pdf");