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How to use Dispose method of Microsoft.Coyote.Actors.EventQueue class

Best Coyote code snippet using Microsoft.Coyote.Actors.EventQueue.Dispose

ActorExecutionContext.cs

Source:ActorExecutionContext.cs

...667        public void RemoveLog(IActorRuntimeLog log) => this.LogWriter.RemoveLog(log);668        /// <inheritdoc/>669        public void Stop() => this.Scheduler.ForceStop();670        /// <summary>671        /// Disposes runtime resources.672        /// </summary>673        protected virtual void Dispose(bool disposing)674        {675            if (disposing)676            {677                this.ActorMap.Clear();678            }679        }680        /// <inheritdoc/>681        public void Dispose()682        {683            this.Dispose(true);684            GC.SuppressFinalize(this);685        }686        /// <summary>687        /// The mocked execution context of an actor program.688        /// </summary>689        internal sealed class Mock : ActorExecutionContext690        {691            /// <summary>692            /// Map that stores all unique names and their corresponding actor ids.693            /// </summary>694            private readonly ConcurrentDictionary<string, ActorId> NameValueToActorId;695            /// <summary>696            /// Map of program counters used for state-caching to distinguish697            /// scheduling from non-deterministic choices.698            /// </summary>699            private readonly ConcurrentDictionary<ActorId, int> ProgramCounterMap;700            /// <summary>701            /// If true, the actor execution is controlled, else false.702            /// </summary>703            internal override bool IsExecutionControlled => true;704            /// <summary>705            /// Initializes a new instance of the <see cref="Mock"/> class.706            /// </summary>707            internal Mock(Configuration configuration, CoyoteRuntime runtime, OperationScheduler scheduler,708                SpecificationEngine specificationEngine, IRandomValueGenerator valueGenerator, LogWriter logWriter)709                : base(configuration, runtime, scheduler, specificationEngine, valueGenerator, logWriter)710            {711                this.NameValueToActorId = new ConcurrentDictionary<string, ActorId>();712                this.ProgramCounterMap = new ConcurrentDictionary<ActorId, int>();713            }714            /// <inheritdoc/>715            public override ActorId CreateActorIdFromName(Type type, string name)716            {717                // It is important that all actor ids use the monotonically incrementing718                // value as the id during testing, and not the unique name.719                return this.NameValueToActorId.GetOrAdd(name, key => this.CreateActorId(type, key));720            }721            /// <inheritdoc/>722            public override ActorId CreateActor(Type type, Event initialEvent = null, EventGroup eventGroup = null) =>723                this.CreateActor(null, type, null, initialEvent, eventGroup);724            /// <inheritdoc/>725            public override ActorId CreateActor(Type type, string name, Event initialEvent = null, EventGroup eventGroup = null) =>726                this.CreateActor(null, type, name, initialEvent, eventGroup);727            /// <inheritdoc/>728            public override ActorId CreateActor(ActorId id, Type type, Event initialEvent = null, EventGroup eventGroup = null)729            {730                this.Assert(id != null, "Cannot create an actor using a null actor id.");731                return this.CreateActor(id, type, null, initialEvent, eventGroup);732            }733            /// <inheritdoc/>734            public override Task<ActorId> CreateActorAndExecuteAsync(Type type, Event initialEvent = null, EventGroup eventGroup = null) =>735                this.CreateActorAndExecuteAsync(null, type, null, initialEvent, eventGroup);736            /// <inheritdoc/>737            public override Task<ActorId> CreateActorAndExecuteAsync(Type type, string name, Event initialEvent = null, EventGroup eventGroup = null) =>738                this.CreateActorAndExecuteAsync(null, type, name, initialEvent, eventGroup);739            /// <inheritdoc/>740            public override Task<ActorId> CreateActorAndExecuteAsync(ActorId id, Type type, Event initialEvent = null, EventGroup eventGroup = null)741            {742                this.Assert(id != null, "Cannot create an actor using a null actor id.");743                return this.CreateActorAndExecuteAsync(id, type, null, initialEvent, eventGroup);744            }745            /// <summary>746            /// Creates a new actor of the specified <see cref="Type"/> and name, using the specified747            /// unbound actor id, and passes the specified optional <see cref="Event"/>. This event748            /// can only be used to access its payload, and cannot be handled.749            /// </summary>750            internal ActorId CreateActor(ActorId id, Type type, string name, Event initialEvent = null, EventGroup eventGroup = null)751            {752                var creatorOp = this.Scheduler.GetExecutingOperation<ActorOperation>();753                return this.CreateActor(id, type, name, initialEvent, creatorOp?.Actor, eventGroup);754            }755            /// <summary>756            /// Creates a new <see cref="Actor"/> of the specified <see cref="Type"/>.757            /// </summary>758            internal override ActorId CreateActor(ActorId id, Type type, string name, Event initialEvent, Actor creator, EventGroup eventGroup)759            {760                this.AssertExpectedCallerActor(creator, "CreateActor");761                Actor actor = this.CreateActor(id, type, name, creator, eventGroup);762                this.RunActorEventHandler(actor, initialEvent, true, null);763                return actor.Id;764            }765            /// <summary>766            /// Creates a new actor of the specified <see cref="Type"/> and name, using the specified767            /// unbound actor id, and passes the specified optional <see cref="Event"/>. This event768            /// can only be used to access its payload, and cannot be handled. The method returns only769            /// when the actor is initialized and the <see cref="Event"/> (if any) is handled.770            /// </summary>771            internal Task<ActorId> CreateActorAndExecuteAsync(ActorId id, Type type, string name, Event initialEvent = null,772                EventGroup eventGroup = null)773            {774                var creatorOp = this.Scheduler.GetExecutingOperation<ActorOperation>();775                return this.CreateActorAndExecuteAsync(id, type, name, initialEvent, creatorOp?.Actor, eventGroup);776            }777            /// <summary>778            /// Creates a new <see cref="Actor"/> of the specified <see cref="Type"/>. The method779            /// returns only when the actor is initialized and the <see cref="Event"/> (if any)780            /// is handled.781            /// </summary>782            internal override async Task<ActorId> CreateActorAndExecuteAsync(ActorId id, Type type, string name, Event initialEvent,783                Actor creator, EventGroup eventGroup)784            {785                this.AssertExpectedCallerActor(creator, "CreateActorAndExecuteAsync");786                this.Assert(creator != null, "Only an actor can call 'CreateActorAndExecuteAsync': avoid calling " +787                    "it directly from the test method; instead call it through a test driver actor.");788                Actor actor = this.CreateActor(id, type, name, creator, eventGroup);789                this.RunActorEventHandler(actor, initialEvent, true, creator);790                // Wait until the actor reaches quiescence.791                await creator.ReceiveEventAsync(typeof(QuiescentEvent), rev => (rev as QuiescentEvent).ActorId == actor.Id);792                return await Task.FromResult(actor.Id);793            }794            /// <summary>795            /// Creates a new <see cref="Actor"/> of the specified <see cref="Type"/>.796            /// </summary>797            internal override Actor CreateActor(ActorId id, Type type, string name, Actor creator, EventGroup eventGroup)798            {799                this.Assert(type.IsSubclassOf(typeof(Actor)), "Type '{0}' is not an actor.", type.FullName);800                // Using ulong.MaxValue because a Create operation cannot specify801                // the id of its target, because the id does not exist yet.802                this.Scheduler.ScheduleNextOperation(AsyncOperationType.Create);803                this.ResetProgramCounter(creator);804                if (id is null)805                {806                    id = this.CreateActorId(type, name);807                }808                else809                {810                    this.Assert(id.Runtime is null || id.Runtime == this, "Unbound actor id '{0}' was created by another runtime.", id.Value);811                    this.Assert(id.Type == type.FullName, "Cannot bind actor id '{0}' of type '{1}' to an actor of type '{2}'.",812                        id.Value, id.Type, type.FullName);813                    id.Bind(this);814                }815                // If a group was not provided, inherit the current event group from the creator (if any).816                if (eventGroup is null && creator != null)817                {818                    eventGroup = creator.EventGroup;819                }820                Actor actor = ActorFactory.Create(type);821                ActorOperation op = new ActorOperation(id.Value, id.Name, actor, this.Scheduler);822                IEventQueue eventQueue = new MockEventQueue(actor);823                actor.Configure(this, id, op, eventQueue, eventGroup);824                actor.SetupEventHandlers();825                if (this.Configuration.ReportActivityCoverage)826                {827                    actor.ReportActivityCoverage(this.CoverageInfo);828                }829                bool result = this.Scheduler.RegisterOperation(op);830                this.Assert(result, "Actor id '{0}' is used by an existing or previously halted actor.", id.Value);831                if (actor is StateMachine)832                {833                    this.LogWriter.LogCreateStateMachine(id, creator?.Id.Name, creator?.Id.Type);834                }835                else836                {837                    this.LogWriter.LogCreateActor(id, creator?.Id.Name, creator?.Id.Type);838                }839                return actor;840            }841            /// <inheritdoc/>842            public override void SendEvent(ActorId targetId, Event initialEvent, EventGroup eventGroup = default, SendOptions options = null)843            {844                var senderOp = this.Scheduler.GetExecutingOperation<ActorOperation>();845                this.SendEvent(targetId, initialEvent, senderOp?.Actor, eventGroup, options);846            }847            /// <inheritdoc/>848            public override Task<bool> SendEventAndExecuteAsync(ActorId targetId, Event initialEvent,849                EventGroup eventGroup = null, SendOptions options = null)850            {851                var senderOp = this.Scheduler.GetExecutingOperation<ActorOperation>();852                return this.SendEventAndExecuteAsync(targetId, initialEvent, senderOp?.Actor, eventGroup, options);853            }854            /// <summary>855            /// Sends an asynchronous <see cref="Event"/> to an actor.856            /// </summary>857            internal override void SendEvent(ActorId targetId, Event e, Actor sender, EventGroup eventGroup, SendOptions options)858            {859                if (e is null)860                {861                    string message = sender != null ?862                        string.Format("{0} is sending a null event.", sender.Id.ToString()) :863                        "Cannot send a null event.";864                    this.Assert(false, message);865                }866                if (sender != null)867                {868                    this.Assert(targetId != null, "{0} is sending event {1} to a null actor.", sender.Id, e);869                }870                else871                {872                    this.Assert(targetId != null, "Cannot send event {1} to a null actor.", e);873                }874                this.AssertExpectedCallerActor(sender, "SendEvent");875                EnqueueStatus enqueueStatus = this.EnqueueEvent(targetId, e, sender, eventGroup, options, out Actor target);876                if (enqueueStatus is EnqueueStatus.EventHandlerNotRunning)877                {878                    this.RunActorEventHandler(target, null, false, null);879                }880            }881            /// <summary>882            /// Sends an asynchronous <see cref="Event"/> to an actor. Returns immediately if the target was883            /// already running. Otherwise blocks until the target handles the event and reaches quiescense.884            /// </summary>885            internal override async Task<bool> SendEventAndExecuteAsync(ActorId targetId, Event e, Actor sender,886                EventGroup eventGroup, SendOptions options)887            {888                this.Assert(sender is StateMachine, "Only an actor can call 'SendEventAndExecuteAsync': avoid " +889                    "calling it directly from the test method; instead call it through a test driver actor.");890                this.Assert(e != null, "{0} is sending a null event.", sender.Id);891                this.Assert(targetId != null, "{0} is sending event {1} to a null actor.", sender.Id, e);892                this.AssertExpectedCallerActor(sender, "SendEventAndExecuteAsync");893                EnqueueStatus enqueueStatus = this.EnqueueEvent(targetId, e, sender, eventGroup, options, out Actor target);894                if (enqueueStatus is EnqueueStatus.EventHandlerNotRunning)895                {896                    this.RunActorEventHandler(target, null, false, sender as StateMachine);897                    // Wait until the actor reaches quiescence.898                    await (sender as StateMachine).ReceiveEventAsync(typeof(QuiescentEvent), rev => (rev as QuiescentEvent).ActorId == targetId);899                    return true;900                }901                // EnqueueStatus.EventHandlerNotRunning is not returned by EnqueueEvent902                // (even when the actor was previously inactive) when the event e requires903                // no action by the actor (i.e., it implicitly handles the event).904                return enqueueStatus is EnqueueStatus.Dropped || enqueueStatus is EnqueueStatus.NextEventUnavailable;905            }906            /// <summary>907            /// Enqueues an event to the actor with the specified id.908            /// </summary>909            private EnqueueStatus EnqueueEvent(ActorId targetId, Event e, Actor sender, EventGroup eventGroup,910                SendOptions options, out Actor target)911            {912                target = this.Scheduler.GetOperationWithId<ActorOperation>(targetId.Value)?.Actor;913                this.Assert(target != null,914                    "Cannot send event '{0}' to actor id '{1}' that is not bound to an actor instance.",915                    e.GetType().FullName, targetId.Value);916                this.Scheduler.ScheduleNextOperation(AsyncOperationType.Send);917                this.ResetProgramCounter(sender as StateMachine);918                // If no group is provided we default to passing along the group from the sender.919                if (eventGroup is null && sender != null)920                {921                    eventGroup = sender.EventGroup;922                }923                if (target.IsHalted)924                {925                    Guid groupId = eventGroup is null ? Guid.Empty : eventGroup.Id;926                    this.LogWriter.LogSendEvent(targetId, sender?.Id.Name, sender?.Id.Type,927                        (sender as StateMachine)?.CurrentStateName ?? default, e, groupId, isTargetHalted: true);928                    this.Assert(options is null || !options.MustHandle,929                        "A must-handle event '{0}' was sent to {1} which has halted.", e.GetType().FullName, targetId);930                    this.HandleDroppedEvent(e, targetId);931                    return EnqueueStatus.Dropped;932                }933                EnqueueStatus enqueueStatus = this.EnqueueEvent(target, e, sender, eventGroup, options);934                if (enqueueStatus == EnqueueStatus.Dropped)935                {936                    this.HandleDroppedEvent(e, targetId);937                }938                return enqueueStatus;939            }940            /// <summary>941            /// Enqueues an event to the actor with the specified id.942            /// </summary>943            private EnqueueStatus EnqueueEvent(Actor actor, Event e, Actor sender, EventGroup eventGroup, SendOptions options)944            {945                EventOriginInfo originInfo;946                string stateName = null;947                if (sender is StateMachine senderStateMachine)948                {949                    originInfo = new EventOriginInfo(sender.Id, senderStateMachine.GetType().FullName,950                        NameResolver.GetStateNameForLogging(senderStateMachine.CurrentState));951                    stateName = senderStateMachine.CurrentStateName;952                }953                else if (sender is Actor senderActor)954                {955                    originInfo = new EventOriginInfo(sender.Id, senderActor.GetType().FullName, string.Empty);956                }957                else958                {959                    // Message comes from the environment.960                    originInfo = new EventOriginInfo(null, "Env", "Env");961                }962                EventInfo eventInfo = new EventInfo(e, originInfo)963                {964                    MustHandle = options?.MustHandle ?? false,965                    Assert = options?.Assert ?? -1966                };967                Guid opId = eventGroup is null ? Guid.Empty : eventGroup.Id;968                this.LogWriter.LogSendEvent(actor.Id, sender?.Id.Name, sender?.Id.Type, stateName,969                    e, opId, isTargetHalted: false);970                return actor.Enqueue(e, eventGroup, eventInfo);971            }972            /// <summary>973            /// Runs a new asynchronous event handler for the specified actor.974            /// This is a fire and forget invocation.975            /// </summary>976            /// <param name="actor">The actor that executes this event handler.</param>977            /// <param name="initialEvent">Optional event for initializing the actor.</param>978            /// <param name="isFresh">If true, then this is a new actor.</param>979            /// <param name="syncCaller">Caller actor that is blocked for quiscence.</param>980            private void RunActorEventHandler(Actor actor, Event initialEvent, bool isFresh, Actor syncCaller)981            {982                var op = actor.Operation;983                Task task = new Task(async () =>984                {985                    try986                    {987                        // Update the current asynchronous control flow with this runtime instance,988                        // allowing future retrieval in the same asynchronous call stack.989                        CoyoteRuntime.AssignAsyncControlFlowRuntime(this.Runtime);990                        this.Scheduler.StartOperation(op);991                        if (isFresh)992                        {993                            await actor.InitializeAsync(initialEvent);994                        }995                        await actor.RunEventHandlerAsync();996                        if (syncCaller != null)997                        {998                            this.EnqueueEvent(syncCaller, new QuiescentEvent(actor.Id), actor, actor.CurrentEventGroup, null);999                        }1000                        if (!actor.IsHalted)1001                        {1002                            this.ResetProgramCounter(actor);1003                        }1004                        IODebug.WriteLine("<ScheduleDebug> Completed operation {0} on task '{1}'.", actor.Id, Task.CurrentId);1005                        op.OnCompleted();1006                        // The actor is inactive or halted, schedule the next enabled operation.1007                        this.Scheduler.ScheduleNextOperation(AsyncOperationType.Stop);1008                    }1009                    catch (Exception ex)1010                    {1011                        this.ProcessUnhandledExceptionInOperation(op, ex);1012                    }1013                });1014                task.Start();1015                this.Scheduler.WaitOperationStart(op);1016            }1017            /// <summary>1018            /// Creates a new timer that sends a <see cref="TimerElapsedEvent"/> to its owner actor.1019            /// </summary>1020            internal override IActorTimer CreateActorTimer(TimerInfo info, Actor owner)1021            {1022                var id = this.CreateActorId(typeof(MockStateMachineTimer));1023                this.CreateActor(id, typeof(MockStateMachineTimer), new TimerSetupEvent(info, owner, this.Configuration.TimeoutDelay));1024                return this.Scheduler.GetOperationWithId<ActorOperation>(id.Value).Actor as MockStateMachineTimer;1025            }1026            /// <inheritdoc/>1027            public override EventGroup GetCurrentEventGroup(ActorId currentActorId)1028            {1029                var callerOp = this.Scheduler.GetExecutingOperation<ActorOperation>();1030                this.Assert(callerOp != null && currentActorId == callerOp.Actor.Id,1031                    "Trying to access the event group id of {0}, which is not the currently executing actor.",1032                    currentActorId);1033                return callerOp.Actor.CurrentEventGroup;1034            }1035            /// <summary>1036            /// Returns a controlled nondeterministic boolean choice.1037            /// </summary>1038            internal override bool GetNondeterministicBooleanChoice(int maxValue, string callerName, string callerType)1039            {1040                var caller = this.Scheduler.GetExecutingOperation<ActorOperation>()?.Actor;1041                if (caller is Actor callerActor)1042                {1043                    this.IncrementActorProgramCounter(callerActor.Id);1044                }1045                var choice = this.Scheduler.GetNextNondeterministicBooleanChoice(maxValue);1046                this.LogWriter.LogRandom(choice, callerName ?? caller?.Id.Name, callerType ?? caller?.Id.Type);1047                return choice;1048            }1049            /// <summary>1050            /// Returns a controlled nondeterministic integer choice.1051            /// </summary>1052            internal override int GetNondeterministicIntegerChoice(int maxValue, string callerName, string callerType)1053            {1054                var caller = this.Scheduler.GetExecutingOperation<ActorOperation>()?.Actor;1055                if (caller is Actor callerActor)1056                {1057                    this.IncrementActorProgramCounter(callerActor.Id);1058                }1059                var choice = this.Scheduler.GetNextNondeterministicIntegerChoice(maxValue);1060                this.LogWriter.LogRandom(choice, callerName ?? caller?.Id.Name, callerType ?? caller?.Id.Type);1061                return choice;1062            }1063            /// <inheritdoc/>1064            internal override void LogInvokedAction(Actor actor, MethodInfo action, string handlingStateName, string currentStateName) =>1065                this.LogWriter.LogExecuteAction(actor.Id, handlingStateName, currentStateName, action.Name);1066            /// <inheritdoc/>1067            [MethodImpl(MethodImplOptions.AggressiveInlining)]1068            internal override void LogEnqueuedEvent(Actor actor, Event e, EventGroup eventGroup, EventInfo eventInfo) =>1069                this.LogWriter.LogEnqueueEvent(actor.Id, e);1070            /// <inheritdoc/>1071            internal override void LogDequeuedEvent(Actor actor, Event e, EventInfo eventInfo, bool isFreshDequeue)1072            {1073                if (!isFreshDequeue)1074                {1075                    // Skip the scheduling point, as this is the first dequeue of the event handler,1076                    // to avoid unecessery context switches.1077                    this.Scheduler.ScheduleNextOperation(AsyncOperationType.Receive);1078                    this.ResetProgramCounter(actor);1079                }1080                string stateName = actor is StateMachine stateMachine ? stateMachine.CurrentStateName : null;1081                this.LogWriter.LogDequeueEvent(actor.Id, stateName, e);1082            }1083            /// <inheritdoc/>1084            internal override void LogDefaultEventDequeued(Actor actor)1085            {1086                this.Scheduler.ScheduleNextOperation(AsyncOperationType.Receive);1087                this.ResetProgramCounter(actor);1088            }1089            /// <inheritdoc/>1090            [MethodImpl(MethodImplOptions.AggressiveInlining)]1091            internal override void LogDefaultEventHandlerCheck(Actor actor) => this.Scheduler.ScheduleNextOperation();1092            /// <inheritdoc/>1093            internal override void LogRaisedEvent(Actor actor, Event e, EventGroup eventGroup, EventInfo eventInfo)1094            {1095                string stateName = actor is StateMachine stateMachine ? stateMachine.CurrentStateName : null;1096                this.LogWriter.LogRaiseEvent(actor.Id, stateName, e);1097            }1098            /// <inheritdoc/>1099            internal override void LogHandleRaisedEvent(Actor actor, Event e)1100            {1101                string stateName = actor is StateMachine stateMachine ? stateMachine.CurrentStateName : null;1102                this.LogWriter.LogHandleRaisedEvent(actor.Id, stateName, e);1103            }1104            /// <inheritdoc/>1105            [MethodImpl(MethodImplOptions.AggressiveInlining)]1106            internal override void LogReceiveCalled(Actor actor) => this.AssertExpectedCallerActor(actor, "ReceiveEventAsync");1107            /// <inheritdoc/>1108            internal override void LogReceivedEvent(Actor actor, Event e, EventInfo eventInfo)1109            {1110                string stateName = actor is StateMachine stateMachine ? stateMachine.CurrentStateName : null;1111                this.LogWriter.LogReceiveEvent(actor.Id, stateName, e, wasBlocked: true);1112            }1113            /// <inheritdoc/>1114            internal override void LogReceivedEventWithoutWaiting(Actor actor, Event e, EventInfo eventInfo)1115            {1116                string stateName = actor is StateMachine stateMachine ? stateMachine.CurrentStateName : null;1117                this.LogWriter.LogReceiveEvent(actor.Id, stateName, e, wasBlocked: false);1118                this.Scheduler.ScheduleNextOperation(AsyncOperationType.Receive);1119                this.ResetProgramCounter(actor);1120            }1121            /// <inheritdoc/>1122            internal override void LogWaitEvent(Actor actor, IEnumerable<Type> eventTypes)1123            {1124                string stateName = actor is StateMachine stateMachine ? stateMachine.CurrentStateName : null;1125                var eventWaitTypesArray = eventTypes.ToArray();1126                if (eventWaitTypesArray.Length is 1)1127                {1128                    this.LogWriter.LogWaitEvent(actor.Id, stateName, eventWaitTypesArray[0]);1129                }1130                else1131                {1132                    this.LogWriter.LogWaitEvent(actor.Id, stateName, eventWaitTypesArray);1133                }1134                this.Scheduler.ScheduleNextOperation(AsyncOperationType.Join);1135                this.ResetProgramCounter(actor);1136            }1137            /// <inheritdoc/>1138            internal override void LogEnteredState(StateMachine stateMachine)1139            {1140                string stateName = stateMachine.CurrentStateName;1141                this.LogWriter.LogStateTransition(stateMachine.Id, stateName, isEntry: true);1142            }1143            /// <inheritdoc/>1144            internal override void LogExitedState(StateMachine stateMachine)1145            {1146                this.LogWriter.LogStateTransition(stateMachine.Id, stateMachine.CurrentStateName, isEntry: false);1147            }1148            /// <inheritdoc/>1149            internal override void LogPopState(StateMachine stateMachine)1150            {1151                this.AssertExpectedCallerActor(stateMachine, "Pop");1152                this.LogWriter.LogPopState(stateMachine.Id, default, stateMachine.CurrentStateName);1153            }1154            /// <inheritdoc/>1155            internal override void LogInvokedOnEntryAction(StateMachine stateMachine, MethodInfo action)1156            {1157                string stateName = stateMachine.CurrentStateName;1158                this.LogWriter.LogExecuteAction(stateMachine.Id, stateName, stateName, action.Name);1159            }1160            /// <inheritdoc/>1161            internal override void LogInvokedOnExitAction(StateMachine stateMachine, MethodInfo action)1162            {1163                string stateName = stateMachine.CurrentStateName;1164                this.LogWriter.LogExecuteAction(stateMachine.Id, stateName, stateName, action.Name);1165            }1166            /// <summary>1167            /// Returns the current hashed state of the actors.1168            /// </summary>1169            /// <remarks>1170            /// The hash is updated in each execution step.1171            /// </remarks>1172            internal override int GetHashedActorState()1173            {1174                unchecked1175                {1176                    int hash = 19;1177                    foreach (var operation in this.Scheduler.GetRegisteredOperations().OrderBy(op => op.Id))1178                    {1179                        if (operation is ActorOperation actorOperation)1180                        {1181                            hash *= 31 + actorOperation.Actor.GetHashedState();1182                        }1183                    }1184                    return hash;1185                }1186            }1187            /// <inheritdoc/>1188            [MethodImpl(MethodImplOptions.AggressiveInlining)]1189            internal override int GetActorProgramCounter(ActorId actorId) =>1190                this.ProgramCounterMap.GetOrAdd(actorId, 0);1191            /// <summary>1192            /// Increments the program counter of the specified actor.1193            /// </summary>1194            [MethodImpl(MethodImplOptions.AggressiveInlining)]1195            private void IncrementActorProgramCounter(ActorId actorId) =>1196                this.ProgramCounterMap.AddOrUpdate(actorId, 1, (id, value) => value + 1);1197            /// <summary>1198            /// Resets the program counter of the specified actor.1199            /// </summary>1200            private void ResetProgramCounter(Actor actor)1201            {1202                if (actor != null)1203                {1204                    this.ProgramCounterMap.AddOrUpdate(actor.Id, 0, (id, value) => 0);1205                }1206            }1207            /// <inheritdoc/>1208#if !DEBUG1209            [DebuggerHidden]1210#endif1211            internal override void AssertExpectedCallerActor(Actor caller, string calledAPI)1212            {1213                if (caller is null)1214                {1215                    return;1216                }1217                var op = this.Scheduler.GetExecutingOperation<ActorOperation>();1218                if (op is null)1219                {1220                    return;1221                }1222                this.Assert(op.Actor.Equals(caller), "{0} invoked {1} on behalf of {2}.",1223                    op.Actor.Id, calledAPI, caller.Id);1224            }1225            /// <summary>1226            /// Processes an unhandled exception in the specified asynchronous operation.1227            /// </summary>1228            private void ProcessUnhandledExceptionInOperation(AsyncOperation op, Exception ex)1229            {1230                string message = null;1231                Exception exception = UnwrapException(ex);1232                if (exception is ExecutionCanceledException || exception is TaskSchedulerException)1233                {1234                    IODebug.WriteLine("<Exception> {0} was thrown from operation '{1}'.",1235                        exception.GetType().Name, op.Name);1236                }1237                else if (exception is ObjectDisposedException)1238                {1239                    IODebug.WriteLine("<Exception> {0} was thrown from operation '{1}' with reason '{2}'.",1240                        exception.GetType().Name, op.Name, ex.Message);1241                }1242                else if (op is ActorOperation actorOp)1243                {1244                    message = string.Format(CultureInfo.InvariantCulture,1245                        $"Unhandled exception. {exception.GetType()} was thrown in actor {actorOp.Name}, " +1246                        $"'{exception.Source}':\n" +1247                        $"   {exception.Message}\n" +1248                        $"The stack trace is:\n{exception.StackTrace}");1249                }1250                else1251                {1252                    message = string.Format(CultureInfo.InvariantCulture, $"Unhandled exception. {exception}");1253                }1254                if (message != null)1255                {1256                    // Report the unhandled exception.1257                    this.Scheduler.NotifyUnhandledException(exception, message);1258                }1259            }1260            /// <summary>1261            /// Unwraps the specified exception.1262            /// </summary>1263            private static Exception UnwrapException(Exception ex)1264            {1265                Exception exception = ex;1266                while (exception is TargetInvocationException)1267                {1268                    exception = exception.InnerException;1269                }1270                if (exception is AggregateException)1271                {1272                    exception = exception.InnerException;1273                }1274                return exception;1275            }1276            /// <inheritdoc/>1277            protected override void Dispose(bool disposing)1278            {1279                if (disposing)1280                {1281                    this.NameValueToActorId.Clear();1282                    this.ProgramCounterMap.Clear();1283                }1284                base.Dispose(disposing);1285            }1286        }1287    }1288}...

EventQueue.cs

Source:EventQueue.cs

...269                this.IsClosed = true;270            }271        }272        /// <summary>273        /// Disposes the queue resources.274        /// </summary>275        private void Dispose(bool disposing)276        {277            if (!disposing)278            {279                return;280            }281            foreach (var (e, opGroupId) in this.Queue)282            {283                this.ActorStateManager.OnDropEvent(e, opGroupId, null);284            }285            this.Queue.Clear();286        }287        /// <summary>288        /// Disposes the queue resources.289        /// </summary>290        public void Dispose()291        {292            this.Dispose(true);293            GC.SuppressFinalize(this);294        }295    }296}...

Dispose

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            EventQueue queue = new EventQueue();12            queue.Enqueue(new Event());13            queue.Dispose();14        }15    }16}17using Microsoft.Coyote.Actors;18using System;19using System.Collections.Generic;20using System.Linq;21using System.Text;22using System.Threading.Tasks;23{24    {25        static void Main(string[] args)26        {27            ActorRuntime runtime = new ActorRuntime();28            runtime.Dispose();29        }30    }31}32using Microsoft.Coyote.Actors;33using System;34using System.Collections.Generic;35using System.Linq;36using System.Text;37using System.Threading.Tasks;38{39    {40        static void Main(string[] args)41        {42            ActorRuntime runtime = new ActorRuntime();43            Actor actor = runtime.CreateActor(typeof(Actor1));44            actor.Dispose();45        }46    }47    {48        protected override Task OnInitializeAsync(Event initialEvent)49        {50            return Task.CompletedTask;51        }52    }53}54using Microsoft.Coyote.Actors;55using System;56using System.Collections.Generic;57using System.Linq;58using System.Text;59using System.Threading.Tasks;60{61    {62        static void Main(string[] args)63        {64            ActorRuntime runtime = new ActorRuntime();65            Actor actor = runtime.CreateActor(typeof(Actor1));66            actor.Dispose();67        }68    }69    {70        protected override Task OnInitializeAsync(Event initialEvent)71        {72            return Task.CompletedTask;73        }74    }75}76using Microsoft.Coyote.Actors;77using System;78using System.Collections.Generic;79using System.Linq;80using System.Text;81using System.Threading.Tasks;82{

Dispose

Using AI Code Generation

1using Microsoft.Coyote;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Specifications;4using System;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            var config = Configuration.Create().WithNumberOfIterations(100);11            var runtime = RuntimeFactory.Create(config);12            await runtime.CreateActor(typeof(MyActor));13            await runtime.WaitCompletionAsync();14        }15    }16    {17        protected override async Task OnInitializeAsync(Event initialEvent)18        {19            var queue = new EventQueue();20            await queue.EnqueueEventAsync(new Event());21            queue.Dispose();22        }23    }24}25using Microsoft.Coyote;26using Microsoft.Coyote.Actors;27using Microsoft.Coyote.Specifications;28using System;29using System.Threading.Tasks;30{31    {32        static async Task Main(string[] args)33        {34            var config = Configuration.Create().WithNumberOfIterations(100);35            var runtime = RuntimeFactory.Create(config);36            await runtime.CreateActor(typeof(MyActor));37            await runtime.WaitCompletionAsync();38        }39    }40    {41        protected override async Task OnInitializeAsync(Event initialEvent)42        {43            var monitor = new ActorMonitor();44            monitor.Dispose();45        }46    }47}48using Microsoft.Coyote;49using Microsoft.Coyote.Actors;50using Microsoft.Coyote.Specifications;51using System;52using System.Threading.Tasks;53{54    {55        static async Task Main(string[] args)56        {57            var config = Configuration.Create().WithNumberOfIterations(100);58            var runtime = RuntimeFactory.Create(config);59            await runtime.CreateActor(typeof(MyActor));60            await runtime.WaitCompletionAsync();61        }62    }63    {64        protected override async Task OnInitializeAsync(Event initialEvent)65        {66            this.Runtime.Dispose();67        }68    }69}70using Microsoft.Coyote;71using Microsoft.Coyote.Actors;

Dispose

Using AI Code Generation

1using System;2using Microsoft.Coyote.Actors;3{4    {5        public static void Main(string[] args)6        {7            var queue = new EventQueue();8            queue.Dispose();9        }10    }11}12using System;13using Microsoft.Coyote.Actors;14{15    {16        public static void Main(string[] args)17        {18            var runtime = new ActorRuntime();19            runtime.Dispose();20        }21    }22}23using System;24using Microsoft.Coyote.Actors;25{26    {27        public static void Main(string[] args)28        {29            var actor = new Actor();30            actor.Dispose();31        }32    }33}34using System;35using Microsoft.Coyote.Actors;36{37    {38        public static void Main(string[] args)39        {40            var actorId = new ActorId();41            actorId.Dispose();42        }43    }44}45using System;46using Microsoft.Coyote.Actors;47{48    {49        public static void Main(string[] args)50        {51            var actorGroup = new ActorGroup();52            actorGroup.Dispose();53        }54    }55}56using System;57using Microsoft.Coyote.Actors;58{59    {60        public static void Main(string[] args)61        {62            var actorState = new ActorState();63            actorState.Dispose();64        }65    }66}67using System;68using Microsoft.Coyote.Actors;69{70    {71        public static void Main(string[] args)72        {73            var actorTask = new ActorTask();74            actorTask.Dispose();75        }

Dispose

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5{6    {7        public static async Task Main(string[] args)8        {9            EventQueue queue = new EventQueue();10            Mailbox mailbox = new Mailbox(queue);11            ActorId actor = ActorId.CreateRandom();12            ActorRuntime runtime = new ActorRuntime(actor, mailbox);13            runtime.SendEvent(actor, new Event());14            queue.Dispose();15        }16    }17}18using System;19using System.Threading.Tasks;20using Microsoft.Coyote;21using Microsoft.Coyote.Actors;22{23    {24        public static async Task Main(string[] args)25        {26            EventQueue queue = new EventQueue();27            Mailbox mailbox = new Mailbox(queue);28            ActorId actor = ActorId.CreateRandom();29            ActorRuntime runtime = new ActorRuntime(actor, mailbox);30            runtime.SendEvent(actor, new Event());31            mailbox.Dispose();32        }33    }34}35using System;36using System.Threading.Tasks;37using Microsoft.Coyote;38using Microsoft.Coyote.Actors;39{40    {41        public static async Task Main(string[] args)42        {43            EventQueue queue = new EventQueue();44            Mailbox mailbox = new Mailbox(queue);45            ActorId actor = ActorId.CreateRandom();46            ActorRuntime runtime = new ActorRuntime(actor, mailbox);47            runtime.SendEvent(actor, new Event());48            runtime.Dispose();49        }50    }51}52using System;53using System.Threading.Tasks;

Dispose

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Specifications;5{6    {7        [OnEventDoAction(typeof(e1), nameof(Act))]8        class Init : State { }9        async Task Act()10        {11            var eventQueue = this.Runtime.GetEventQueue(this.Id);12            eventQueue.Dispose();13        }14    }15    public class e1 : Event { }16}17using System;18using System.Threading.Tasks;19using Microsoft.Coyote.Actors;20using Microsoft.Coyote.Specifications;21{22    {23        [OnEventDoAction(typeof(e1), nameof(Act))]24        class Init : State { }25        async Task Act()26        {27            var e = new e1();28            e.Dispose();29        }30    }31    public class e1 : Event { }32}33using System;34using System.Threading.Tasks;35using Microsoft.Coyote.Actors;36using Microsoft.Coyote.Specifications;37{38    {39        [OnEventDoAction(typeof(e1), nameof(Act))]40        class Init : State { }41        async Task Act()42        {43            var id = this.Id;44            id.Dispose();45        }46    }47    public class e1 : Event { }48}49using System;50using System.Threading.Tasks;51using Microsoft.Coyote.Actors;52using Microsoft.Coyote.Specifications;53{54    {55        [OnEventDoAction(typeof(e1), nameof(Act))]56        class Init : State { }57        async Task Act()58        {59            var actor = this;60            actor.Dispose();61        }62    }63    public class e1 : Event { }64}65using System;66using System.Threading.Tasks;

Dispose

Using AI Code Generation

1using System;2using Microsoft.Coyote.Actors;3{4    {5        static void Main(string[] args)6        {7            EventQueue eventQueue = new EventQueue();8            eventQueue.Dispose();9        }10    }11}12using System;13using Microsoft.Coyote.Actors;14{15    {16        static void Main(string[] args)17        {18            using (EventQueue eventQueue = new EventQueue())19            {20            }21        }22    }23}

Dispose

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using System;3{4    {5        static void Main(string[] args)6        {7            var q = new EventQueue();8            q.Enqueue(new Event());9            q.Dispose();10            Console.WriteLine("Event Queue is disposed");11            Console.ReadKey();12        }13    }14}

Dispose

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        protected override Task OnInitializeAsync(Event initialEvent)10        {11            var q = this.Runtime.GetEventQueue(this.Id);12            Console.WriteLine(q.Count);13            q.Dispose();14            return Task.CompletedTask;15        }16    }17}18using Microsoft.Coyote.Actors;19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24{25    {26        protected override Task OnInitializeAsync(Event initialEvent)27        {28            var q = this.Runtime.GetEventQueue(this.Id);29            Console.WriteLine(q.Count);30            q.Dispose();31            return Task.CompletedTask;32        }33    }34}35using Microsoft.Coyote.Actors;36using System;37using System.Collections.Generic;38using System.Linq;39using System.Text;40using System.Threading.Tasks;41{42    {43        protected override Task OnInitializeAsync(Event initialEvent)44        {45            var q = this.Runtime.GetEventQueue(this.Id);46            Console.WriteLine(q.Count);47            q.Dispose();48            return Task.CompletedTask;49        }50    }51}52using Microsoft.Coyote.Actors;53using System;54using System.Collections.Generic;55using System.Linq;56using System.Text;57using System.Threading.Tasks;58{59    {60        protected override Task OnInitializeAsync(Event initialEvent)61        {62            var q = this.Runtime.GetEventQueue(this.Id);63            Console.WriteLine(q.Count);64            q.Dispose();65            return Task.CompletedTask;66        }67    }68}

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