This object is not to be used for any other reason.
public function testPreviousSibling()
{
$parent = new Node();
$child = new Node();
$child2 = new Node();
$child->setParent($parent);
$child2->setParent($parent);
$this->assertEquals($child->id(), $child2->previousSibling()->id());
}
public function testCountChildren()
{
$parent = new Node();
$child = new Node();
$child2 = new Node();
$child->setParent($parent);
$child2->setParent($parent);
$this->assertEquals(2, $parent->countChildren());
}
public function testIsChild()
{
$parent = new Node();
$child1 = new Node();
$child2 = new Node();
$child1->setParent($parent);
$child2->setParent($child1);
$this->assertTrue($parent->isChild($child1->id()));
$this->assertTrue($parent->isDescendant($child2->id()));
$this->assertFalse($parent->isChild($child2->id()));
}
public function testLastChild()
{
$parent = new Node();
$child = new Node();
$child2 = new Node();
$child3 = new Node();
$parent->addChild($child);
$parent->addChild($child2);
$parent->addChild($child3);
$this->assertEquals($child3->id(), $parent->lastChild()->id());
}
public function testGetAncestorNotFound()
{
$parent = new Node();
$ancestor = $parent->getAncestor(1);
$this->assertNull($ancestor);
}
