function testApplyRecursive()
{
$rule = new DeclFilter_CatchAllFilterRule('digits');
$rule->applyOnElements();
$data = array('hello' => array('abc123', 'abc456'));
$rule->apply($data, 'hello');
$this->assertEquals($data['hello'][0], '123');
$this->assertEquals($data['hello'][1], '456');
}
