public function testNextRewindCurrent()
{
$collection = new MockCollection(array('data' => array('title' => 'Lorem Ipsum', 'value' => 42, 'foo' => 'bar')));
$this->assertEqual('Lorem Ipsum', $collection->current());
$this->assertEqual(42, $collection->next());
$this->assertEqual('bar', $collection->next());
$this->assertEqual('Lorem Ipsum', $collection->rewind());
$this->assertEqual(42, $collection->next());
}