@Test
public void scrollCartOfUser()
{

   User user = new User();
   user.setUUID("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa0");
   Iterator<Product> it = dao.scrollCartOfUser(user, -1, -1).iterator();
   assertTrue(CheckIterator.checkElementNumber(it, 2));
   it = dao.scrollCartOfUser(user, 0, 10000).iterator();
   assertTrue(CheckIterator.checkElementNumber(it, 2));
   it = dao.scrollCartOfUser(user, 1, 10).iterator();
   assertTrue(CheckIterator.checkElementNumber(it, 1));
   it = dao.scrollCartOfUser(user, 2, 10).iterator();
   assertTrue(CheckIterator.checkElementNumber(it, 0));
   it = dao.scrollCartOfUser(user, 10, 10).iterator();
   assertTrue(CheckIterator.checkElementNumber(it, 0));
}