public function testIsTraversableCountableIterator()
{
$dwoo = new Dwoo_Core();
$data = new TestCountableIterator(array());
$this->assertEquals(true, $dwoo->isTraversable($data));
$this->assertEquals(0, $dwoo->isTraversable($data, true));
$data = new TestCountableIterator(array('moo'));
$this->assertEquals(true, $dwoo->isTraversable($data));
$this->assertEquals(1, $dwoo->isTraversable($data, true));
}