public function testGetChildNodes()
{
$doc = new TemplateTag();
$doc->setContent('<html:placeholder name="foo" /><html:placeholder name="foo" /><html:placeholder name="foo" />');
$doc->onParseTime();
/* @var $placeHolders DomNode[] */
$placeHolders = $doc->getChildNodes('name', 'foo', PlaceHolderTag::class);
$this->assertEquals(3, count($placeHolders));
$this->assertEquals('foo', $placeHolders[0]->getAttribute('name'));
// ensure that a reference is returned instead of a clone or copy
$children = $doc->getChildren();
$keys = array_keys($children);
for ($i = 0; $i < 3; $i++) {
$this->assertEquals(spl_object_hash($placeHolders[$i]), spl_object_hash($children[$keys[$i]]));
}
}
