/**
* Resulting absolute intervals 1st retransmission should be received after 2 - 3 sec 2nd
* retransmission should be received after 6 - 9 sec 3rd retransmission should be received after
* 14 - 21 sec 4th retransmission should be received after 30 - 45 sec
*/
@Test
public void testRetransmissionsWereSentInTime() {
int expectedMessages = 4;
Set<Long> transmissions = callback.getTransmissions();
assertEquals("Wrong number of sent messages!", expectedMessages, transmissions.size());
Iterator<Long> transmissionIterator = transmissions.iterator();
long[][] delay =
new long[][] {
new long[] {2000, 3000},
new long[] {6000, 9000},
new long[] {14000, 21000},
new long[] {30000, 45000}
};
int i = -1;
while (transmissionIterator.hasNext()) {
i += 1;
long actualDelay = transmissionIterator.next() - timeRequestSent;
String format =
"Retransmission #%d (expected delay: %d - %d millis, actual delay: %d millis)";
log.info(String.format(format, i + 1, delay[i][0], delay[i][1], actualDelay));
assertTrue("Message was sent too early!", delay[i][0] <= actualDelay);
assertTrue("Message was sent too late!", delay[i][1] >= actualDelay);
}
}
/**
* Test if the notification was to early. Minimum delay is the sum of minimal timeouts (30000)
* plus the delay for timeout notification (5000). The maximum delay is the sum of maximum
* timeouts (45000) plus the delay for timeout notification (5000) plus a tolerance of 2000.
*/
@Test
public void testClientReceivesTimeoutNotification() {
assertFalse(
"Client did not receive a timeout notification at all.",
callback.getTransmissionTimeouts().isEmpty());
long minDelay = 247000;
long transmissionTimeout = callback.getTransmissionTimeouts().iterator().next();
long actualDelay = transmissionTimeout - timeRequestSent;
String format =
"Internal transmission timeout notification (expected minimum delay: %d millis, actual: %d"
+ "millis)";
log.info(String.format(format, minDelay, actualDelay));
assertTrue(
"Internal transmission timeout notification was too early!", minDelay <= actualDelay);
}