@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(); }