@Test
public void circular_queue_persisted() {
// i put disk limit 4 objects ,
File f = UtilsTest.tempDbFile();
DB db = DBMaker.newFileDB(f).transactionDisable().cacheDisable().make();
Queue queue = db.createCircularQueue("test", null, 4);
// when i put 6 objects to queue
queue.add(0);
queue.add(1);
queue.add(2);
queue.add(3);
// now deletes 0 on first
queue.add(4);
// now deletes 1
queue.add(5);
db.close();
db = DBMaker.newFileDB(f).transactionDisable().cacheDisable().deleteFilesAfterClose().make();
queue = db.getCircularQueue("test");
assertEquals(2, queue.poll());
assertEquals(3, queue.poll());
assertEquals(4, queue.poll());
assertEquals(5, queue.poll());
assertNull(queue.poll());
db.close();
}
