public function testDateTime()
 {
     $item = new PageState();
     $dateTime = new \DateTime();
     $item->setUpdatedAt($dateTime);
     $item->setCreatedAt($dateTime);
     $this->assertEquals($dateTime, $item->getUpdatedAt());
     $this->assertEquals($dateTime, $item->getCreatedAt());
 }
 /**
  * {@inheritDoc}
  */
 public function setCreatedAt($createdAt)
 {
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'setCreatedAt', array($createdAt));
     return parent::setCreatedAt($createdAt);
 }