Doctrine\ODM\MongoDB\Tests\DocumentManagerTest::testCreateDbRefWithNonNullEmptyId PHP Method

    public function testCreateDbRefWithNonNullEmptyId()
    {
        $phonenumber = new \Documents\CmsPhonenumber();
        $phonenumber->phonenumber = 0;
        $this->dm->persist($phonenumber);
        $dbRef = $this->dm->createDBRef($phonenumber);
        $this->assertSame(array('$ref' => 'CmsPhonenumber', '$id' => 0), $dbRef);
    }