// make sure the file is old (access time resolution is 2 seconds)
Thread.sleep(2000);
}
LOG.debug("scanning...");
gc.mark();
int count = listIdentifiers(gc);
LOG.debug("stop scanning; currently " + count + " identifiers");
LOG.debug("deleting...");
gc.getDataStore().clearInUse();
assertTrue(gc.sweep() > 0);