foo.setDuplicateHostName("foo.com");
        duplicateHostHelper.duplicateHostList.add(foo);
        DuplicateHost bar = new DuplicateHost();
        bar.setRegularName("www.bar.com");
        bar.setDuplicateHostName("mail.bar.com");
        duplicateHostHelper.duplicateHostList.add(bar);
        DuplicateHost hoge = new DuplicateHost();
        hoge.setRegularName("www.foo.com");

        exp = "file://C .doc";
        assertEquals(exp, transformer.decodeUrlAsName(url, true));

        url = "http://example.com/foo/" + encodeUrl("#") + "/@@bar/index.html#fragment?foo=bar";
        exp = "http://example.com/foo/#/@@bar/index.html#fragment?foo=bar";
        assertEquals(exp, transformer.decodeUrlAsName(url, false));
    }

    public void test_getFileName_ok() throws Exception {
        String url, exp;