public function testCompare()
{
$q = new MinPriorityQueue();
$this->assertEquals(0, $q->compare(1, 1));
$this->assertEquals(-1, $q->compare(1, 0));
$this->assertEquals(1, $q->compare(0, 1));
}
/**
* Try to enforce the eviction.
* @todo Locking mechanism, so that a subsequent push() for the same key won't set the prio to a higher value
* @param $offset
*/
private function markForEviction($offset)
{
$this->queue->insert($offset, 0);
$this->priority->offsetSet($offset, 0);
}