@Test
public void whenListenVersionAlreadyIsThere_thenLatchIsOpenedAndNothingIsRegistered() {
ManualRef ref = new ManualRef(stm);
AlphaTransaction tx = createSutTransaction();
tx.openForRead(ref);
// do the desired update
ref.inc(stm);
Latch latch = new CheapLatch();
tx.registerRetryLatch(latch);
assertIsActive(tx);
assertTrue(latch.isOpen());
assertHasNoListeners(ref);
}
@Test
public void whenOnlyFresh_thenNoRetryPossibleException() {
ManualRef ref = ManualRef.createUncommitted();
AlphaTransaction tx = createSutTransaction();
tx.openForConstruction(ref);
Latch latch = new CheapLatch();
try {
tx.registerRetryLatch(latch);
fail();
} catch (NoRetryPossibleException expected) {
}
assertHasNoListeners(ref);
assertFalse(latch.isOpen());
assertIsActive(tx);
}