public function testCloningFromDescendantNode()
{
$node = new SimpleDOM('<node>
<child1><granchild1 /></child1>
<child2 />
<child3><granchild3 /></child3>
</node>');
$node->cloneChildrenFrom($node->child1, true);
$this->assertXmlStringEqualsXmlString('<node>
<child1><granchild1 /></child1>
<child2 />
<child3><granchild3 /></child3>
<granchild1 />
</node>', $node->asXML());
}