public function testMarshall()
{
$select = 2;
$withReplacement = true;
$component = new Selection($select);
$component->setWithReplacement($withReplacement);
$marshaller = $this->getMarshallerFactory()->createMarshaller($component);
$element = $marshaller->marshall($component);
$this->assertInstanceOf('\\DOMElement', $element);
$this->assertEquals('selection', $element->nodeName);
$this->assertSame($select . '', $element->getAttribute('select'));
$this->assertEquals('true', $element->getAttribute('withReplacement'));
}
/**
* Unmarshall a DOMElement object corresponding to a QTI Selection object.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A Selection object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException If the mandatory 'select' attribute is missing from $element.
*/
protected function unmarshall(DOMElement $element)
{
// select is a mandatory value, retrieve it first.
if (($value = static::getDOMElementAttributeAs($element, 'select', 'integer')) !== null) {
$object = new Selection($value);
if (($value = static::getDOMElementAttributeAs($element, 'withReplacement', 'boolean')) !== null) {
$object->setWithReplacement($value);
}
} else {
$msg = "The mandatory attribute 'select' is missing.";
throw new UnmarshallingException($msg, $element);
}
return $object;
}
