public function testSerializeObjectWithCollections()
{
$book1 = new Book();
$book1->setTitle('Foo5');
$book1->setISBN('1234');
$book2 = new Book();
$book2->setTitle('Foo6');
$book2->setISBN('1234');
$author = new Author();
$author->setFirstName('Jane');
$author->setLastName('Doe');
$author->addBook($book1);
$author->addBook($book2);
$author->save();
$a = clone $author;
$sa = serialize($a);
$author->clearAllReferences();
$this->assertEquals($author, unserialize($sa));
}
