public function testGetResultsRespectsFormatter()
 {
     $this->createBooks(5);
     $query = BookQuery::create();
     $query->setFormatter(ModelCriteria::FORMAT_ARRAY);
     $pager = new PropelModelPager($query, 4);
     $pager->setPage(1);
     $pager->init();
     $this->assertTrue($pager->getResults() instanceof ArrayCollection, 'getResults() returns a PropelArrayCollection if the query uses array hydration');
 }