public function testWhetherMenusAreNaturallySorted()
{
$menu = new Menu('test');
$menu->addSubMenu(5, new ConfigObject(array('title' => 'ccc5')));
$menu->addSubMenu(0, new ConfigObject(array('title' => 'aaa')));
$menu->addSubMenu(3, new ConfigObject(array('title' => 'ccc')));
$menu->addSubMenu(2, new ConfigObject(array('title' => 'bbb')));
$menu->addSubMenu(4, new ConfigObject(array('title' => 'ccc2')));
$menu->addSubMenu(1, new ConfigObject(array('title' => 'bb')));
$this->assertEquals(array('aaa', 'bb', 'bbb', 'ccc', 'ccc2', 'ccc5'), array_map(function ($m) {
return $m->getTitle();
}, iterator_to_array($menu->order())), 'Menu::order() does not return its elements in natural order');
}
