public function testFindPksSimpleKey()
 {
     BookstoreDataPopulator::depopulate();
     BookstoreDataPopulator::populate();
     BookTableMap::clearInstancePool();
     // prepare the test data
     $c = new ModelCriteria('bookstore', '\\Propel\\Tests\\Bookstore\\Book');
     $c->orderBy('Book.Id', 'desc');
     $testBooks = $c->find();
     $testBook1 = $testBooks->pop();
     $testBook2 = $testBooks->pop();
     $q = new BookQuery();
     $books = $q->findPks(array($testBook1->getId(), $testBook2->getId()));
     $this->assertEquals(array($testBook1, $testBook2), $books->getData(), 'BaseQuery overrides findPks() to make it faster');
 }