public void GIVEN_game_with_all_cells_occupied_WHEN_no_three_in_a_line_THEN_game_is_a_draw()
        {
            var game = new TTTGame();
            game.placeCircle(2, 2);
            game.placeCross(0, 0);
            game.placeCircle(0, 1);
            game.placeCross(0, 2);
            game.placeCircle(1, 0);
            game.placeCross(1, 1);
            game.placeCircle(1, 2);
            game.placeCross(2, 1);
            game.placeCircle(2, 0);

            Assert.AreEqual(3, game.winner());
        }
 public void GIVEN_new_game_WHEN_three_crosses_in_right_column_THEN_cross_wins()
 {
     var game = new TTTGame();
     game.placeCross(0, 2);
     game.placeCircle(2, 0);
     game.placeCross(1, 2);
     game.placeCircle(2, 1);
     game.placeCross(2, 2);
     Assert.AreEqual(2, game.winner());
 }
        public void GIVEN_new_game_WHEN_three_crosses_in_top_row_THEN_cross_wins()
        {
            var game = new TTTGame();
            game.placeCross(0, 0);
            game.placeCircle(1, 0);
            game.placeCross(0, 1);
            game.placeCircle(1, 1);
            game.placeCross(0, 2);

            Assert.AreEqual(2, game.winner());
        }
 public void GIVEN_new_game_WHEN_three_crosses_in_diagonal_from_top_left_THEN_cross_wins()
 {
     var game = new TTTGame();
     game.placeCross(0, 0);
     game.placeCircle(2, 0);
     game.placeCross(1, 1);
     game.placeCircle(2, 1);
     game.placeCross(2, 2);
     Assert.AreEqual(2, game.winner());
 }