public function test_that_range_keys_returns_inclusive_set()
{
$tree = new RedBlackSearchTree(new ComparableComparator());
foreach ($this->getWeekDays() as $value => $key) {
$tree->set($key, $value);
}
$keys = $tree->rangeKeys(WeekDay::TUESDAY(), WeekDay::THURSDAY());
$count = 0;
foreach ($keys as $key) {
$count++;
}
$this->assertSame(3, $count);
}
/**
* {@inheritdoc}
*/
public function range($lo, $hi) : Traversable
{
return $this->tree->rangeKeys($lo, $hi);
}
