public function testAddDataVlaueAndClear()
{
$title = Title::newFromText(__METHOD__);
$parserOutput = new ParserOutput();
$instance = new ParserData($title, $parserOutput);
$this->assertTrue($instance->getSemanticData()->isEmpty());
$instance->addDataValue($this->dataValueFactory->newDataValueByText('Foo', 'Bar'));
$this->assertFalse($instance->getSemanticData()->isEmpty());
$instance->setEmptySemanticData();
$this->assertTrue($instance->getSemanticData()->isEmpty());
}
