public function testGetNeighborsAndSelf()
{
$root = new Node('r');
$root->addChild($a = new Node('a'))->addChild($b = new Node('b'))->addChild($c = new Node('c'));
$this->assertEquals([$a, $b, $c], $a->getNeighborsAndSelf());
}
public function testGetNeighborsAndSelf()
{
$root = new Node('r');
$root->addChild($a = new Node('a'))->addChild($b = new Node('b'))->addChild($c = new Node('c'));
$this->assertEquals([$a, $b, $c], $a->getNeighborsAndSelf());
}
