/**
* Tests send-then-receive of a byte array subrange.
*/
void testSendDataRange() throws IOException {
Isolate i = Isolate.currentIsolate();
Link link = Link.newLink(i, i);
byte[] sendarr = new byte[100];
Utils.fillRandom(sendarr);
Sender sender = new Sender(link,
LinkMessage.newDataMessage(sendarr, 47, 22));