ApaiIO\Operations\Search::setPage PHP Метод

    public function setPage($page)
    {
        if (false === is_numeric($page) || $page < 1 || $page > 10) {
            throw new \InvalidArgumentException(sprintf('%s is an invalid page value. It has to be numeric, positive and between 1 and 10', $page));
        }
        $this->parameters['ItemPage'] = $page;
        return $this;
    }

 public function testGetPage()
 {
     $search = new Search();
     static::assertEquals(null, $search->getPage());
     $search->setPage(3);
     static::assertEquals(3, $search->getPage());
 }