public function testUnmarshalling()
{
$document = DOMDocumentFactory::fromString(<<<XML
<mdui:Keywords xml:lang="nl">KLM koninklijke luchtvaart+maatschappij</mdui:Keywords>
XML
);
$keywords = new Keywords($document->firstChild);
$this->assertEquals("nl", $keywords->lang);
$this->assertCount(3, $keywords->Keywords);
$this->assertEquals("KLM", $keywords->Keywords[0]);
$this->assertEquals("koninklijke", $keywords->Keywords[1]);
$this->assertEquals("luchtvaart maatschappij", $keywords->Keywords[2]);
}