public function testReordering()
{
$menu = new MenuItem('root');
$menu->getRenderer()->setRenderCompressed(true);
$menu->addChild('c1');
$menu->addChild('c2');
$menu->addChild('c3');
$menu->addChild('c4');
$menu['c3']->moveToFirstPosition();
$arr = array_keys($menu->getChildren());
$this->assertEquals(array('c3', 'c1', 'c2', 'c4'), $arr);
$menu['c2']->moveToLastPosition();
$arr = array_keys($menu->getChildren());
$this->assertEquals(array('c3', 'c1', 'c4', 'c2'), $arr);
$menu['c1']->moveToPosition(2);
$arr = array_keys($menu->getChildren());
$this->assertEquals(array('c3', 'c4', 'c1', 'c2'), $arr);
$menu->reorderChildren(array('c4', 'c3', 'c2', 'c1'));
$arr = array_keys($menu->getChildren());
$this->assertEquals(array('c4', 'c3', 'c2', 'c1'), $arr);
$this->assertEquals('<ul><li class="first">c4</li><li>c3</li><li>c2</li><li class="last">c1</li></ul>', $menu->render());
}
