assertTrue(codec.handleMessage(context));
RMProperties rmps = RMContextUtils.retrieveRMProperties(context, false);
Collection<SequenceAcknowledgement> acks = rmps.getAcks();
assertNotNull(acks);
assertEquals(1, acks.size());
SequenceAcknowledgement ack = acks.iterator().next();
assertNotNull(ack);
assertEquals(ack.getIdentifier().getValue(), SEQ_IDENTIFIER);
assertEquals(2, ack.getAcknowledgementRange().size());
assertNull(rmps.getSequence());
assertNull(rmps.getAcksRequested());
}