/**
* @covers ByJG\Util\XmlUtil::addAttribute
*/
public function testAddAttribute()
{
$dom = XmlUtil::createXmlDocumentFromStr('<root><subject>Text</subject></root>');
$node = XmlUtil::selectSingleNode($dom->documentElement, 'subject');
XmlUtil::addAttribute($node, 'attr', 'value');
$this->assertEquals(self::XMLHEADER . "\n" . '<root>' . '<subject attr="value">' . 'Text' . '</subject>' . '</root>' . "\n", $dom->saveXML());
}
