lithium\tests\cases\data\entity\DocumentTest::testArrayInterface PHP Method

    public function testArrayInterface()
    {
        $doc = new Document();
        $doc->field = 'value';
        $this->assertEqual('value', $doc['field']);
        $doc['field'] = 'newvalue';
        $this->assertEqual('newvalue', $doc->field);
        unset($doc['field']);
        $this->assertNull($doc->field);
    }