}
    }

    public void test_process_withPropertiesPath() throws Exception {
        // Test process method with properties path
        File tempPropFile = File.createTempFile("test_thumbnail_", ".properties");
        tempPropFile.deleteOnExit();

        ThumbnailGenerator.Options options = new ThumbnailGenerator.Options();
        options.propertiesPath = tempPropFile.getAbsolutePath();