public void testEmptyUri() {
   ContactLoader.Result result = assertLoadContact(Uri.EMPTY);
   assertTrue(result.isError());
 }
 public void testInvalidUri() {
   ContactLoader.Result result = assertLoadContact(Uri.parse("content://wtf"));
   assertTrue(result.isError());
 }
 public void testNullUri() {
   ContactLoader.Result result = assertLoadContact(null);
   assertTrue(result.isError());
 }