public void TestDetermineIsHollow() { Die die = new Die(); die.pieceList.Add(new Piece()); die.DetermineIsHollow(); Assert.IsFalse(die.isHollow); die.pieceList.Add(new Piece("0000000", "HD 9 X 4", 'P', 278787)); die.DetermineIsHollow(); Assert.IsTrue(die.isHollow); }