public function testSortBy()
{
// from js
$people = array((object) array('name' => 'curly', 'age' => 50), (object) array('name' => 'moe', 'age' => 30));
$people_sorted = __u::sortBy($people, function ($person) {
return $person->age;
});
$this->assertEquals(array('moe', 'curly'), __u::pluck($people_sorted, 'name'), 'stooges sorted by age');
// extra
$stooges = array(array('name' => 'moe', 'age' => 40), array('name' => 'larry', 'age' => 50), array('name' => 'curly', 'age' => 60));
$this->assertEquals($stooges, __u::sortBy($stooges, function ($stooge) {
return $stooge['age'];
}));
$this->assertEquals(array($stooges[2], $stooges[1], $stooges[0]), __u::sortBy($stooges, function ($stooge) {
return $stooge['name'];
}));
$this->assertEquals(array(5, 4, 6, 3, 1, 2), __u::sortBy(array(1, 2, 3, 4, 5, 6), function ($num) {
return sin($num);
}));
$this->assertEquals($stooges, __u($stooges)->sortBy(function ($stooge) {
return $stooge['age'];
}), 'works with OO-style call');
// docs
$this->assertEquals(array(3, 2, 1), __u::sortBy(array(1, 2, 3), function ($n) {
return -$n;
}));
}
