public void Test_Invalid_Add_At_Prize_Level()
{
PrizeLevels pls = new PrizeLevels();
PrizeLevel pl1 = new PrizeLevel();
pls.addPrizeLevelAt(null, 0);
pls.addPrizeLevelAt(pl1, 40);
Assert.IsTrue(pls.getNumPrizeLevels() == 0);
}
public void Test_Add_At_Prize_Level()
{
PrizeLevels pls = new PrizeLevels();
PrizeLevel pl1 = new PrizeLevel();
PrizeLevel pl2 = new PrizeLevel();
pls.addPrizeLevel(pl1);
pls.addPrizeLevelAt(pl2, 0);
Assert.IsTrue(pls.getLevelOfPrize(pl2) == 0);
}