def test_parse_www_authenticate_malformed():
    # TODO: test (and fix) header value 'barbqwnbm-bb...:asd' leads to dead loop
    with tests.assert_raises(httplib2.MalformedHeader):
        httplib2._parse_www_authenticate(
            {
                "www-authenticate": 'OAuth "Facebook Platform" "invalid_token" "Invalid OAuth access token."'
            }
        )