public void test() {
ConsumerKey consumer = new ConsumerKey(CONSUMER_KEY, CONSUMER_SECRET);
RequestToken user = new RequestToken(TOKEN_KEY, TOKEN_SECRET);
OAuthSignatureCalculator calc = new OAuthSignatureCalculator(consumer, user);
List<Param> queryParams = new ArrayList<Param>();
queryParams.add(new Param("file", "vacation.jpg"));
queryParams.add(new Param("size", "original"));
String url = "http://photos.example.net/photos";
String sig = calc.calculateSignature("GET", Uri.create(url), TIMESTAMP, NONCE, null, queryParams);
assertEquals(sig, "tR3+Ty81lMeYAr/Fid0kMTYa/WM=");
}