function testSortComplexRs()
{
$raw_tree_array = array(array('id' => 1, 'parent_id' => 0, 'sort1' => 'bill', 'sort2' => 0), array('id' => 2, 'parent_id' => 1, 'sort1' => 'body', 'sort2' => 1), array('id' => 3, 'parent_id' => 2, 'sort1' => 'merfy', 'sort2' => 0), array('id' => 4, 'parent_id' => 2, 'sort1' => 'eddy', 'sort2' => 1), array('id' => 5, 'parent_id' => 1, 'sort1' => 'body', 'sort2' => 0), array('id' => 6, 'parent_id' => 0, 'sort1' => 'alfred', 'sort2' => 1), array('id' => 7, 'parent_id' => 6, 'sort1' => 'tom', 'sort2' => 0), array('id' => 8, 'parent_id' => 0, 'sort1' => 'cunny', 'sort2' => 4));
$expected_tree_array = array(array('id' => 8, 'parent_id' => 0, 'sort1' => 'cunny', 'sort2' => 4), array('id' => 1, 'parent_id' => 0, 'sort1' => 'bill', 'sort2' => 0), array('id' => 5, 'parent_id' => 1, 'sort1' => 'body', 'sort2' => 0), array('id' => 2, 'parent_id' => 1, 'sort1' => 'body', 'sort2' => 1), array('id' => 3, 'parent_id' => 2, 'sort1' => 'merfy', 'sort2' => 0), array('id' => 4, 'parent_id' => 2, 'sort1' => 'eddy', 'sort2' => 1), array('id' => 6, 'parent_id' => 0, 'sort1' => 'alfred', 'sort2' => 1), array('id' => 7, 'parent_id' => 6, 'sort1' => 'tom', 'sort2' => 0));
$sorted = lmbTreeHelper::sort(new lmbCollection($raw_tree_array), array('sort1' => 'DESC', 'sort2' => 'ASC'));
$to_check = array();
foreach ($sorted as $record) {
$to_check[] = $record->export();
}
$this->assertEqual($to_check, $expected_tree_array);
}
function rewind()
{
parent::rewind();
if ($this->iterator->valid()) {
$nested_array = array();
$iterator = lmbTreeHelper::sort($this->iterator, $this->order_pairs, $this->node_field, $this->parent_field);
} else {
$iterator = new lmbCollection();
}
$this->iterator = $iterator;
return $this->iterator->rewind();
}