public void test_transform_null() {
        try {
            htmlTransformer.transform(null);
            fail();
        } catch (final CrawlerSystemException e) {}
    }

    public void test_parseCharset() {
        String content;

        content = "...;charset=UTF-8\"...";
        assertEquals("UTF-8", htmlTransformer.parseCharset(content));

        content = "...; charset=UTF-8\"...";