/**
* @covers ::getIterator
*/
public function testGetIterator()
{
$iterator = $this->entityAdapter->getIterator();
$fields = iterator_to_array($iterator);
$this->assertArrayHasKey('id', $fields);
$this->assertArrayHasKey('revision_id', $fields);
$this->assertEquals(count($fields), 2);
$this->entityAdapter->setValue(NULL);
$this->assertEquals(new \ArrayIterator([]), $this->entityAdapter->getIterator());
}
