/**
  * @covers SortArray::natsort
  * @group  stablesort
  */
 public function testAssociation()
 {
     $array = array('a9', 'a1', 'a10', 'A2');
     SortArray::natsort($array);
     $this->assertSame(array(3 => 'A2', 1 => 'a1', 0 => 'a9', 2 => 'a10'), $array);
 }