public function testHandlerOptions()
{
$length = 3;
$handler = new RegExFakerClass(new RegRevGenerator());
$customClass = new FakeElement('number', '/\\d{' . $length . '}/');
$result = $handler->handle($customClass);
$this->assertInstanceOf('Fakerino\\Core\\FakeHandler\\Handler', $handler);
$this->assertEquals($length, strlen($result));
}