public function testExtractWithPropertyNameFilterByReference()
{
$entity = new Asset\SimpleEntity();
$entity->setId(2);
$entity->setField('foo', false);
$filter = new Filter\PropertyName(array('id'), false);
$this->configureObjectManagerForSimpleEntity();
$this->hydratorByReference->addFilter('propertyname', $filter);
$data = $this->hydratorByReference->extract($entity);
$this->assertEquals(2, $data['id']);
$this->assertEquals(array('id'), array_keys($data), 'Only the "id" field should have been extracted.');
}
