public function setUp()
{
parent::setUp();
$this->trueArray = [true, true, true, true];
$this->trueIterator = new ArrayIterator($this->trueArray);
$this->trueHash = ['k1' => true, 'k2' => true, 'k3' => true];
$this->trueHashIterator = new ArrayIterator($this->trueHash);
$this->falseArray = [true, 1, true];
$this->falseIterator = new ArrayIterator($this->falseArray);
$this->falseHash = ['k1' => true, 'k2' => 1, 'k3' => true];
$this->falseHashIterator = new ArrayIterator($this->falseHash);
}