/**
* Get the iterator.
*
* @return \Traversable
*/
public function getIterator()
{
$_iterator = new Iterator\Append();
$types = $this->getTypes();
if (!empty($types)) {
$this->_filters[] = function (\SplFileInfo $current) use($types) {
return in_array($current->getType(), $types);
};
}
$maxDepth = $this->getMaxDepth();
$splFileInfo = $this->getSplFileInfo();
foreach ($this->getPaths() as $path) {
if (1 == $maxDepth) {
$iterator = new Iterator\IteratorIterator(new Iterator\Recursive\Directory($path, $this->getFlags(), $splFileInfo), $this->getFirst());
} else {
$iterator = new Iterator\Recursive\Iterator(new Iterator\Recursive\Directory($path, $this->getFlags(), $splFileInfo), $this->getFirst());
if (1 < $maxDepth) {
$iterator->setMaxDepth($maxDepth - 1);
}
}
$_iterator->append($iterator);
}
foreach ($this->getFilters() as $filter) {
$_iterator = new Iterator\CallbackFilter($_iterator, $filter);
}
$sorts = $this->getSorts();
if (empty($sorts)) {
return $_iterator;
}
$array = iterator_to_array($_iterator);
foreach ($sorts as $sort) {
uasort($array, $sort);
}
return new Iterator\Map($array);
}
public function case_singleton()
{
$this->given($counter1 = new LUT\Counter(0, 12, 3), $append = new LUT\Append(), $append->append($counter1))->when($result = iterator_to_array($append))->then->array($result)->isEqualTo([0, 3, 6, 9]);
}