// verify string serialization roundtrip
String raw = feed.toString();
feed = (Feed) Abdera.getInstance().getParser()
.parse(new StringReader(raw)).getRoot();
feed = client.push(feed, serviceURL);
assertNotNull("String serialization", feed);
assertEquals("Serialized feed retains id",
Common.fromFeedUrn(feed.getId()), feedId);
assertEquals("Serialized feed contains no entries", feed
.getEntries().size(), 0);