/**
* @covers Zend\Feed\Writer\Entry::getSource
* @covers Zend\Feed\Writer\Entry::createSource
*/
public function testGetSource()
{
$entry = new Writer\Entry();
$source = $entry->getSource();
$this->assertNull($source);
$entry->setSource($entry->createSource());
$this->assertInstanceOf('Zend\\Feed\\Writer\\Source', $entry->getSource());
}