@Test
public void whenBarrierCommitted_thenIgnored() {
VetoCommitBarrier barrier = new VetoCommitBarrier();
barrier.vetoCommit();
barrier.vetoCommit();
assertTrue(barrier.isCommitted());
}
@Test
public void whenPendingTransactions() {
VetoCommitBarrier barrier = new VetoCommitBarrier();
IntRef ref1 = new IntRef();
IntRef ref2 = new IntRef();
IntRef ref3 = new IntRef();
IncThread thread1 = new IncThread(ref1, barrier);
IncThread thread2 = new IncThread(ref2, barrier);
IncThread thread3 = new IncThread(ref3, barrier);
startAll(thread1, thread2, thread3);
sleepMs(500);
barrier.vetoCommit();
joinAll(thread1, thread2, thread3);
assertIsCommitted(thread1.tx);
assertIsCommitted(thread2.tx);
assertIsCommitted(thread3.tx);
assertEquals(1, ref1.get());
assertEquals(1, ref2.get());
assertEquals(1, ref3.get());
}
@Test
public void whenNoPendingTransactions() {
VetoCommitBarrier barrier = new VetoCommitBarrier();
barrier.vetoCommit();
assertTrue(barrier.isCommitted());
}
@Test
public void whenBarrierAborted_thenCommitBarrierOpenException() {
VetoCommitBarrier barrier = new VetoCommitBarrier();
barrier.abort();
try {
barrier.vetoCommit();
fail();
} catch (CommitBarrierOpenException expected) {
}
assertTrue(barrier.isAborted());
}
