public function setUp()
{
parent::setUp();
$this->list = [1, "foo", 5.1, 5, "5.2", true, false, [], new stdClass()];
$this->listIterator = new ArrayIterator($this->list);
$this->hash = ['k1' => 1, 'k2' => '5.2', 'k3' => 5, 'k4' => '5.1', 'k5' => 10.2, 'k6' => true, 'k7' => [], 'k8' => new stdClass(), 'k9' => -10];
$this->hashIterator = new ArrayIterator($this->hash);
}