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()));
}
/**
* @expectedException PHPHtmlParser\Exceptions\CircularException
*/
public function testSetParentDescendantException()
{
$parent = new Node();
$child = new Node();
$parent->addChild($child);
$parent->setParent($child);
}
