public void ToStringTest() { HexBoard board = new HexBoard(4); board.PlayMove(1, 1, true); string out1 = board.ToString(); Assert.IsFalse(String.IsNullOrEmpty(out1)); board.PlayMove(2, 2, false); string out2 = board.ToString(); Assert.IsFalse(String.IsNullOrEmpty(out2)); Assert.AreNotEqual(out1, out2); }