/**
* Testing the preserved key desc sorting
*/
public function testARSort()
{
$collection = new Collection(array('name' => 'Alex', 'job' => 'Web Dev', 'fave_food' => 'Chinese'));
$collection->sort(Collection::SORT_DESC_PRESERVE_KEYS);
$keys = $collection->keys();
$this->assertEquals('name', $keys[2]);
$this->assertEquals('job', $keys[0]);
$values = $collection->values();
$this->assertEquals('Alex', $values[2]);
$this->assertEquals('Web Dev', $values[0]);
}