public void GameShouldKnowWhoIsActivePlayer() { Game target = new Game(new HumanPlayer(), new ComputerPlayer()); char actual = target.GetActivePlayerID(); char expected = 'X'; Assert.AreEqual(expected, actual); target.LogMove(new Tuple<int, int>(1, 1)); actual = target.GetActivePlayerID(); expected = 'O'; Assert.AreEqual(expected, actual); }