chore: set max score

lib/game/bloc/game_bloc.dart

@@ -16,6 +16,8 @@ class GameBloc extends Bloc<GameEvent, GameState> {
     on<GameStarted>(_onGameStarted);
   }
 
+  final _maxScore = 9999999999;
+
   void _onGameStarted(GameStarted _, Emitter emit) {
     emit(state.copyWith(status: GameStatus.playing));
   }
@@ -41,9 +43,11 @@ class GameBloc extends Bloc<GameEvent, GameState> {
 
   void _onScored(Scored event, Emitter emit) {
     if (state.status.isPlaying) {
-      emit(
-        state.copyWith(roundScore: state.roundScore + event.points),
+      final combinedScore = math.min(
+        state.totalScore + state.roundScore + event.points,
+        _maxScore,
       );
+      emit(state.copyWith(roundScore: combinedScore - state.totalScore));
     }
   }
 

test/game/bloc/game_bloc_test.dart

@@ -167,6 +167,23 @@ void main() {
             ),
         ],
       );
+
+      blocTest<GameBloc, GameState>(
+        "doesn't increase score above the max score",
+        build: GameBloc.new,
+        seed: () => const GameState(
+          totalScore: 9999999998,
+          roundScore: 0,
+          multiplier: 1,
+          rounds: 1,
+          bonusHistory: [],
+          status: GameStatus.playing,
+        ),
+        act: (bloc) => bloc.add(const Scored(points: 2)),
+        expect: () => [
+          isA<GameState>()..having((state) => state.roundScore, 'roundScore', 1)
+        ],
+      );
     });
 
     group('MultiplierIncreased', () {