/** @throws Exception If failed. */
public void testPoll() throws Exception {
ConcurrentLinkedDeque8<Integer> deque = new ConcurrentLinkedDeque8<>();
deque.add(1);
deque.add(2);
deque.add(3);
assert !deque.isEmpty();
checkSize(deque, 3);
// Poll 1.
assertEquals(Integer.valueOf(1), deque.poll());
assert !deque.isEmpty();
checkSize(deque, 2);
// Poll 2.
assertEquals(Integer.valueOf(2), deque.poll());
assert !deque.isEmpty();
checkSize(deque, 1);
// Poll 3.
assertEquals(Integer.valueOf(3), deque.poll());
assert deque.isEmpty();
checkSize(deque, 0);
}
/**
* @param q Deque.
* @param expSize Expected size.
*/
@SuppressWarnings({"ForLoopReplaceableByForEach"})
private <T> void checkSize(ConcurrentLinkedDeque8<T> q, int expSize) {
int actualSize = 0;
for (Iterator<T> iter = q.iterator(); iter.hasNext(); ) {
iter.next();
actualSize++;
}
assertEquals(expSize, actualSize);
actualSize = 0;
for (Iterator<T> iter = q.iterator(); iter.hasNext(); ) {
iter.next();
actualSize++;
}
assertEquals(expSize, actualSize);
assertEquals(expSize, q.size());
assertEquals(expSize, q.sizex());
if (expSize > 0) {
assert !q.isEmpty();
assert !q.isEmptyx();
} else {
assert q.isEmpty();
assert q.isEmptyx();
}
}