/**
  * Tests the previous page values
  */
 public function testPreviousPage()
 {
     $pagination = new Pagination(2, 1, 1);
     $pagination->setNumberOfItems(2);
     $this->assertSame(1, $pagination->getPreviousPage());
     // no previous page
     $pagination->setCurrentPage($pagination->getMinPage());
     $this->assertNull($pagination->getPreviousPage());
 }