NtlmPasswordAuthenticator na = f.getContext().getCredentials().unwrap(NtlmPasswordAuthenticator.class);
            Assert.assertEquals("b@r", na.getPassword());
        }

        try ( SmbFile f = new SmbFile(new URL("smb://foo:b%40r@127.0.0.1/")) ) {
            Assert.assertEquals("foo:b%40r", f.getLocator().getURL().getUserInfo());