/**
* {@inheritdoc}
*/
public function ceiling($item)
{
return $this->tree->ceiling($item);
}
/**
* @expectedException \Novuso\System\Exception\UnderflowException
*/
public function test_that_ceiling_throws_exception_when_empty()
{
$tree = new RedBlackSearchTree(new ComparableComparator());
$tree->ceiling(WeekDay::WEDNESDAY());
}
/**
* {@inheritdoc}
*/
public function ceiling($key)
{
return $this->tree->ceiling($key);
}