public function testSetAndGetTree()
{
$tree = array(array('name' => 'First Nav Item', 'href' => '/first'), array('name' => 'Second Nav Item', 'href' => '/second'));
$n = new Nav();
$n->setTree($tree);
$t = $n->getTree();
$this->assertEquals('First Nav Item', $t[0]['name']);
}