public function testQueuePriority()
{
$results = '';
$q = new Queue();
$q->insert('a', 1);
$q->insert('b', 1);
$q->insert('c', 1);
foreach ($q as $v) {
$results .= $v;
}
$this->assertEquals('abc', $results);
}
/**
* Check to see if there are more events left in the filter.
*
* @return bool
*/
public function hasEvents()
{
return $this->queue->valid();
}