lithium\tests\cases\data\collection\DocumentSetTest::testOffsetSet PHP Method

    public function testOffsetSet()
    {
        $data = array('change me', 'foo', 'bar');
        $doc = new DocumentSet(compact('data'));
        $doc[0] = 'new me';
        $expected = array(0 => 'new me', 1 => 'foo', 2 => 'bar');
        $this->assertIdentical($expected, $doc->data());
    }