Doctrine\Tests\Models\ECommerce\ECommerceFeature::setDescription PHP Method

    public function setDescription($description)
    {
        $this->description = $description;
    }

 /**
  * Ticket #2478 from Damon Jones (dljones)
  */
 public function testAddPersistRetrieve()
 {
     $f1 = new ECommerceFeature();
     $f1->setDescription('AC-3');
     $f2 = new ECommerceFeature();
     $f2->setDescription('DTS');
     $p = new ECommerceProduct();
     $p->addFeature($f1);
     $p->addfeature($f2);
     $this->_em->persist($p);
     $this->_em->flush();
     $this->assertEquals(2, count($p->getFeatures()));
     $this->assertTrue($p->getFeatures() instanceof \Doctrine\ORM\PersistentCollection);
     $q = $this->_em->createQuery('SELECT p, f
            FROM Doctrine\\Tests\\Models\\ECommerce\\ECommerceProduct p
            JOIN p.features f');
     $res = $q->getResult();
     $this->assertEquals(2, count($p->getFeatures()));
     $this->assertTrue($p->getFeatures() instanceof \Doctrine\ORM\PersistentCollection);
     // Check that the features are the same instances still
     foreach ($p->getFeatures() as $feature) {
         if ($feature->getDescription() == 'AC-3') {
             $this->assertTrue($feature === $f1);
         } else {
             $this->assertTrue($feature === $f2);
         }
     }
     // Now we test how Hydrator affects IdentityMap
     // (change from ArrayCollection to PersistentCollection)
     $f3 = new ECommerceFeature();
     $f3->setDescription('XVID');
     $p->addFeature($f3);
     // Now we persist the Feature #3
     $this->_em->persist($p);
     $this->_em->flush();
     $q = $this->_em->createQuery('SELECT p, f
            FROM Doctrine\\Tests\\Models\\ECommerce\\ECommerceProduct p
            JOIN p.features f');
     $res = $q->getResult();
     // Persisted Product now must have 3 Feature items
     $this->assertEquals(3, count($res[0]->getFeatures()));
 }