public function testNoRef()
{
$root = new SimpleDOM('<root><child /></root>');
$new = new SimpleDOM('<new />');
$return = $root->insertBefore($new);
$this->assertXmlStringEqualsXmlString('<root><child /><new /></root>', $root->asXML());
$this->assertSame(dom_import_simplexml($root->new), dom_import_simplexml($return));
}