--- /dev/null
+<?php
+
+namespace Doctrine\Tests\ORM\Functional;
+
+use Doctrine\Common\Persistence\PersistentObject;
+
+/**
+ */
+class PersistentCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+ protected function setUp()
+ {
+ parent::setUp();
+ try {
+ $this->_schemaTool->createSchema(array(
+ $this->_em->getClassMetadata(__NAMESPACE__ . '\PersistentCollectionHolder'),
+ $this->_em->getClassMetadata(__NAMESPACE__ . '\PersistentCollectionContent'),
+ ));
+ } catch (\Exception $e) {
+
+ }
+ PersistentObject::setObjectManager($this->_em);
+ }
+
+ public function testPersist()
+ {
+ $collectionHolder = new PersistentCollectionHolder();
+ $content = new PersistentCollectionContent('first element');
+ $collectionHolder->addElement($content);
+
+ $this->_em->persist($collectionHolder);
+ $this->_em->flush();
+ $this->_em->clear();
+
+ $collectionHolder = $this->_em->find(__NAMESPACE__ . '\PersistentCollectionHolder', $collectionHolder->getId());
+ $collectionHolder->getCollection();
+
+ $content = new PersistentCollectionContent('second element');
+ $collectionHolder->addElement($content);
+
+ $this->assertEquals(2, $collectionHolder->getCollection()->count());
+ }
+
+}
+
+/**
+ * @Entity
+ */
+class PersistentCollectionHolder extends PersistentObject
+{
+ /**
+ * @Id @Column(type="integer") @GeneratedValue
+ * @var int
+ */
+ protected $id;
+
+ /**
+ * @var \Doctrine\Common\Collections\Collection
+ * @ManyToMany(targetEntity="PersistentCollectionContent", cascade={"all"})
+ */
+ protected $collection;
+
+ public function __construct()
+ {
+ $this->collection = new \Doctrine\Common\Collections\ArrayCollection();
+ }
+
+ /**
+ * @param PersistentCollectionContent $element
+ */
+ public function addElement(PersistentCollectionContent $element)
+ {
+ $this->collection->add($element);
+ }
+
+ /**
+ * @return \Doctrine\Common\Collections\Collection
+ */
+ public function getCollection()
+ {
+ return clone $this->collection;
+ }
+
+}
+
+/**
+ * @Entity
+ */
+class PersistentCollectionContent extends PersistentObject
+{
+
+ /**
+ * @Id @Column(type="integer") @GeneratedValue
+ * @var int
+ */
+ protected $id;
+
+}