public function calling_next_after_closing_collection_raises_exception()
{
$c = new MockCollection('~');
$c->open();
$c->close();
$c->next();
}
/**
* Returns a collection
*
* @param string $name
* @param io.collections.IOElement[] $elements
* @return io.collections.IOCollection
*/
protected function newCollection($name, $elements = array())
{
$c = new MockCollection($name);
foreach ($elements as $element) {
$c->addElement($element);
}
return $c;
}