}
});
{ //test addDelegationTokens(..)
Credentials creds = new Credentials();
final Token<?> tokens[] = webhdfs.addDelegationTokens("JobTracker", creds);
Assert.assertEquals(1, tokens.length);
Assert.assertEquals(1, creds.numberOfTokens());
Assert.assertSame(tokens[0], creds.getAllTokens().iterator().next());
checkTokenIdentifier(ugi, tokens[0]);
final Token<?> tokens2[] = webhdfs.addDelegationTokens("JobTracker", creds);