public function testStringCasting()
{
$model = $this->_model;
$old = $model::meta('title') ?: 'title';
$model::meta('title', 'firstName');
$object = new Entity(compact('model'));
$object->firstName = 'Bob';
$this->assertEqual('Bob', (string) $object);
$object->firstName = 'Rob';
$this->assertEqual('Rob', (string) $object);
$model::meta('title', $old);
}