public function test_sort_by()
{
$data = new Collection(array('tonya', 'julie'));
$data = $data->sortBy(function ($x) {
return $x;
});
$this->assertEquals(array('julie', 'tonya'), array_values($data->all()));
$data = new Collection(array('julie', 'tonya'));
$data->sortByDesc(function ($x) {
return $x;
});
$this->assertEquals(array('tonya', 'julie'), array_values($data->all()));
}
