/**
* Check this (reflexive) equality:
* XML -> object model -> MIME Dir -> object model -> XML.
*/
protected function assertXMLReflexivelyEqualsToMimeDir($xml, $mimedir)
{
$this->assertXMLEqualsToMimeDir($xml, $mimedir);
$component = VObject\Reader::read($mimedir);
$this->assertXmlStringEqualsXmlString($xml, VObject\Writer::writeXML($component));
}