public function testAdd() { $newObj = new Base(); $this->arrayCollection->add($newObj); $this->assertEquals($newObj, $this->arrayCollection->get(2)); $newObj->setId(65); $this->arrayCollection->add($newObj); $this->assertEquals($newObj, $this->arrayCollection->get(65)); $this->arrayCollection->add($newObj, 500); $this->assertEquals($newObj, $this->arrayCollection->get(500)); }