url = "file:/";
        exp = "/";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "file:/c:";
        exp = "c:";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "file://";
        exp = "//";
        assertEquals(exp, transformer.getSiteOnFile(url, "UTF-8"));

        url = "file:///";