public function testBattery()
{
$xml = new \XMLWriter();
$xml->openMemory();
$xml->setIndent(true);
$xml->setIndentString("\t");
$battery = new Battery(true, true, 'battery_type_9v', 1);
$battery->setAreBatteriesIncluded(true)->setAreBatteriesRequired(true)->setBatteryType('battery_type_9v')->setNumberOfBatteries(1);
$battery->writeXml($xml, 'Battery');
$dom = new \DOMDocument();
$dom->loadXML($xml->outputMemory(true));
$this->assertTrue($dom->schemaValidate(__DIR__ . '/../../../../XSD/DataType.xsd'));
}
