/**
  * testFlatten
  *
  * @return  void
  *
  * @covers  Windwalker\Registry\RegistryHelper::flatten
  * @since   2.0
  */
 public function testFlatten()
 {
     $array = array('flower' => 'sakura', 'olive' => 'peace', 'pos1' => array('sunflower' => 'love'), 'pos2' => array('cornflower' => 'elegant'));
     $flatted = RegistryHelper::flatten($array);
     $this->assertEquals($flatted['pos1.sunflower'], 'love');
     $flatted = RegistryHelper::flatten($array, '/');
     $this->assertEquals($flatted['pos1/sunflower'], 'love');
 }