1--TEST--
2SPL: RecursiveTreeIterator(non-traversable)
3--FILE--
4<?php
5try {
6	new RecursiveTreeIterator(new ArrayIterator(array()));
7} catch (TypeError $e) {
8    echo $e->getMessage(), "\n";
9}
10?>
11===DONE===
12--EXPECT--
13RecursiveCachingIterator::__construct() expects parameter 1 to be RecursiveIterator, object given
14===DONE===
15