public function testParents()
{
$root = new Page();
$root->setName('root');
$level1 = new Page();
$level1->setName('level 1');
$level2 = new Page();
$level2->setName('level 2');
$page = new Page();
$page->setName('page');
$level1->setParent($root);
$level2->setParent($level1);
$page->setParent($level2);
$parent = $page->getParent();
$this->assertEquals('level 2', $parent->getName());
$parent = $page->getParent(0);
$this->assertEquals('root', $parent->getName());
$parent = $page->getParent(1);
$this->assertEquals('level 1', $parent->getName());
}
