/** @param cnt Count. */
private void checkPoll(int cnt) {
init();
int step = 10;
assert cnt % step == 0;
Collection<Long> set = new HashSet<>(step);
for (int i = 0; i < cnt; i++) lru.offer(0, i, i);
assertEquals(cnt, lru.size());
for (int i = 0; i < cnt; i += step) {
for (int j = 0; j < step; j++) {
long qAddr = lru.prePoll();
assertTrue(qAddr != 0);
assertTrue(set.add(qAddr));
}
for (long qAddr : set) lru.poll(qAddr);
set.clear();
}
assertEquals(0, lru.size());
}
/** @param cnt Count. */
private void checkRemove(int cnt) {
init();
Collection<Long> set = new HashSet<>(cnt);
for (int i = 0; i < cnt; i++) assertTrue(set.add(lru.offer(0, i, i)));
assertEquals(cnt, lru.size());
for (long addr : set) lru.remove(addr);
assertEquals(0, lru.size());
}
/** @param cnt Count. */
private void checkOffer(int cnt) {
init();
for (int i = 0; i < cnt; i++) lru.offer(0, i, i);
assertEquals(cnt, lru.size());
info("Finished check offer for stripes count: " + stripes);
}
/** @throws Exception If failed. */
private void checkLruMultithreaded(final int cnt) throws Exception {
init();
final AtomicInteger idGen = new AtomicInteger();
multithreaded(
new Runnable() {
@Override
public void run() {
int id = idGen.getAndIncrement();
int step = 10;
assert cnt % step == 0;
int start = id * cnt;
int end = start + cnt;
Collection<Long> set = new HashSet<>(step);
for (int i = start; i < end; i++) lru.offer(0, i, i);
for (int i = start; i < end; i += step) {
for (int j = 0; j < step; j++) {
long qAddr = lru.prePoll();
assertTrue(qAddr != 0);
assertTrue(set.add(qAddr));
}
for (long qAddr : set) lru.poll(qAddr);
set.clear();
}
}
},
10);
assertEquals(0, lru.size());
}