/**
* @param NodeInterface $rootNode
*/
public function __construct(NodeInterface $rootNode = null)
{
if (!$rootNode) {
$rootNode = new Node('root');
}
$rootNode->setId(0);
$this->nodes[0] = $rootNode;
}
public function testRootSettings()
{
$tree = new Tree();
$this->assertInstanceOf(Node::class, $tree->getTreeRoot());
$root = new Node();
$tree2 = new Tree($root);
$this->assertEquals($root, $tree2->getTreeRoot());
$this->assertEquals(0, $tree2->getTreeRoot()->getId());
$root2 = new Node();
$root2->setId(5);
$tree3 = new Tree($root2);
$this->assertEquals($root2, $tree3->getTreeRoot());
$this->assertEquals(0, $tree3->getTreeRoot()->getId());
}
