lithium\tests\integration\data\MongoDbTest::testDateCastingUsingExists PHP Метод

    public function testDateCastingUsingExists()
    {
        Galleries::config(array('schema' => array('_id' => 'id', 'created_at' => 'date')));
        $gallery = Galleries::create(array('created_at' => time()));
        $gallery->save();
        $result = Galleries::first(array('conditions' => array('created_at' => array('$exists' => false))));
        $this->assertNull($result);
    }