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How to use InitOnEntry method of Microsoft.Coyote.Actors.BugFinding.Tests.Update class

Best Coyote code snippet using Microsoft.Coyote.Actors.BugFinding.Tests.Update.InitOnEntry

ChordTests.cs

Source:ChordTests.cs

...50            private List<ActorId> ChordNodes;51            private List<int> Keys;52            private List<int> NodeIds;53            [Start]54            [OnEntry(nameof(InitOnEntry))]55            [OnEventGotoState(typeof(Local), typeof(Waiting))]56            private class Init : State57            {58            }59            private void InitOnEntry()60            {61                this.NumOfNodes = 3;62                this.NumOfIds = (int)Math.Pow(2, this.NumOfNodes);63                this.ChordNodes = new List<ActorId>();64                this.NodeIds = new List<int> { 0, 1, 3 };65                this.Keys = new List<int> { 1, 2, 6 };66                for (int idx = 0; idx < this.NodeIds.Count; idx++)67                {68                    this.ChordNodes.Add(this.CreateActor(typeof(ChordNode)));69                }70                var nodeKeys = this.AssignKeysToNodes();71                for (int idx = 0; idx < this.ChordNodes.Count; idx++)72                {73                    var keys = nodeKeys[this.NodeIds[idx]];74                    this.SendEvent(this.ChordNodes[idx], new ChordNode.SetupEvent(this.NodeIds[idx], new HashSet<int>(keys),75                        new List<ActorId>(this.ChordNodes), new List<int>(this.NodeIds), this.Id));76                }77                this.CreateActor(typeof(Client), new Client.SetupEvent(this.Id, new List<int>(this.Keys)));78                this.RaiseEvent(new Local());79            }80            [OnEventDoAction(typeof(ChordNode.FindSuccessor), nameof(ForwardFindSuccessor))]81            [OnEventDoAction(typeof(CreateNewNode), nameof(ProcessCreateNewNode))]82            [OnEventDoAction(typeof(TerminateNode), nameof(ProcessTerminateNode))]83            [OnEventDoAction(typeof(ChordNode.JoinAck), nameof(QueryStabilize))]84            private class Waiting : State85            {86            }87            private void ForwardFindSuccessor(Event e)88            {89                this.SendEvent(this.ChordNodes[0], e);90            }91            private void ProcessCreateNewNode()92            {93                int newId = -1;94                while ((newId < 0 || this.NodeIds.Contains(newId)) &&95                    this.NodeIds.Count < this.NumOfIds)96                {97                    for (int i = 0; i < this.NumOfIds; i++)98                    {99                        if (this.RandomBoolean())100                        {101                            newId = i;102                        }103                    }104                }105                this.Assert(newId >= 0, "Cannot create a new node, no ids available.");106                var newNode = this.CreateActor(typeof(ChordNode));107                this.NumOfNodes++;108                this.NodeIds.Add(newId);109                this.ChordNodes.Add(newNode);110                this.SendEvent(newNode, new ChordNode.Join(newId, new List<ActorId>(this.ChordNodes),111                    new List<int>(this.NodeIds), this.NumOfIds, this.Id));112            }113            private void ProcessTerminateNode()114            {115                int endId = -1;116                while ((endId < 0 || !this.NodeIds.Contains(endId)) &&117                    this.NodeIds.Count > 0)118                {119                    for (int i = 0; i < this.ChordNodes.Count; i++)120                    {121                        if (this.RandomBoolean())122                        {123                            endId = i;124                        }125                    }126                }127                this.Assert(endId >= 0, "Cannot find a node to terminate.");128                var endNode = this.ChordNodes[endId];129                this.NumOfNodes--;130                this.NodeIds.Remove(endId);131                this.ChordNodes.Remove(endNode);132                this.SendEvent(endNode, new ChordNode.Terminate());133            }134            private void QueryStabilize()135            {136                foreach (var node in this.ChordNodes)137                {138                    this.SendEvent(node, new ChordNode.Stabilize());139                }140            }141            private Dictionary<int, List<int>> AssignKeysToNodes()142            {143                var nodeKeys = new Dictionary<int, List<int>>();144                for (int i = this.Keys.Count - 1; i >= 0; i--)145                {146                    bool assigned = false;147                    for (int j = 0; j < this.NodeIds.Count; j++)148                    {149                        if (this.Keys[i] <= this.NodeIds[j])150                        {151                            if (nodeKeys.ContainsKey(this.NodeIds[j]))152                            {153                                nodeKeys[this.NodeIds[j]].Add(this.Keys[i]);154                            }155                            else156                            {157                                nodeKeys.Add(this.NodeIds[j], new List<int>());158                                nodeKeys[this.NodeIds[j]].Add(this.Keys[i]);159                            }160                            assigned = true;161                            break;162                        }163                    }164                    if (!assigned)165                    {166                        if (nodeKeys.ContainsKey(this.NodeIds[0]))167                        {168                            nodeKeys[this.NodeIds[0]].Add(this.Keys[i]);169                        }170                        else171                        {172                            nodeKeys.Add(this.NodeIds[0], new List<int>());173                            nodeKeys[this.NodeIds[0]].Add(this.Keys[i]);174                        }175                    }176                }177                return nodeKeys;178            }179        }180        private class ChordNode : StateMachine181        {182            internal class SetupEvent : Event183            {184                public int Id;185                public HashSet<int> Keys;186                public List<ActorId> Nodes;187                public List<int> NodeIds;188                public ActorId ManagerId;189                public SetupEvent(int id, HashSet<int> keys, List<ActorId> nodes,190                    List<int> nodeIds, ActorId managerId)191                    : base()192                {193                    this.Id = id;194                    this.Keys = keys;195                    this.Nodes = nodes;196                    this.NodeIds = nodeIds;197                    this.ManagerId = managerId;198                }199            }200            internal class Join : Event201            {202                public int Id;203                public List<ActorId> Nodes;204                public List<int> NodeIds;205                public int NumOfIds;206                public ActorId ManagerId;207                public Join(int id, List<ActorId> nodes, List<int> nodeIds,208                    int numOfIds, ActorId managerId)209                    : base()210                {211                    this.Id = id;212                    this.Nodes = nodes;213                    this.NodeIds = nodeIds;214                    this.NumOfIds = numOfIds;215                    this.ManagerId = managerId;216                }217            }218            internal class FindSuccessor : Event219            {220                public ActorId Sender;221                public int Key;222                public FindSuccessor(ActorId sender, int key)223                    : base()224                {225                    this.Sender = sender;226                    this.Key = key;227                }228            }229            internal class FindSuccessorResp : Event230            {231                public ActorId Node;232                public int Key;233                public FindSuccessorResp(ActorId node, int key)234                    : base()235                {236                    this.Node = node;237                    this.Key = key;238                }239            }240            internal class FindPredecessor : Event241            {242                public ActorId Sender;243                public FindPredecessor(ActorId sender)244                    : base()245                {246                    this.Sender = sender;247                }248            }249            internal class FindPredecessorResp : Event250            {251                public ActorId Node;252                public FindPredecessorResp(ActorId node)253                    : base()254                {255                    this.Node = node;256                }257            }258            internal class QueryId : Event259            {260                public ActorId Sender;261                public QueryId(ActorId sender)262                    : base()263                {264                    this.Sender = sender;265                }266            }267            internal class QueryIdResp : Event268            {269                public int Id;270                public QueryIdResp(int id)271                    : base()272                {273                    this.Id = id;274                }275            }276            internal class AskForKeys : Event277            {278                public ActorId Node;279                public int Id;280                public AskForKeys(ActorId node, int id)281                    : base()282                {283                    this.Node = node;284                    this.Id = id;285                }286            }287            internal class AskForKeysResp : Event288            {289                public List<int> Keys;290                public AskForKeysResp(List<int> keys)291                    : base()292                {293                    this.Keys = keys;294                }295            }296            private class NotifySuccessor : Event297            {298                public ActorId Node;299                public NotifySuccessor(ActorId node)300                    : base()301                {302                    this.Node = node;303                }304            }305            internal class JoinAck : Event306            {307            }308            internal class Stabilize : Event309            {310            }311            internal class Terminate : Event312            {313            }314            private class Local : Event315            {316            }317            private int NodeId;318            private HashSet<int> Keys;319            private int NumOfIds;320            private Dictionary<int, Finger> FingerTable;321            private ActorId Predecessor;322            private ActorId ManagerId;323            [Start]324            [OnEntry(nameof(InitOnEntry))]325            [OnEventGotoState(typeof(Local), typeof(Waiting))]326            [OnEventDoAction(typeof(SetupEvent), nameof(Setup))]327            [OnEventDoAction(typeof(Join), nameof(JoinCluster))]328            [DeferEvents(typeof(AskForKeys), typeof(NotifySuccessor), typeof(Stabilize))]329            private class Init : State330            {331            }332            private void InitOnEntry()333            {334                this.FingerTable = new Dictionary<int, Finger>();335            }336            private void Setup(Event e)337            {338                this.NodeId = (e as SetupEvent).Id;339                this.Keys = (e as SetupEvent).Keys;340                this.ManagerId = (e as SetupEvent).ManagerId;341                var nodes = (e as SetupEvent).Nodes;342                var nodeIds = (e as SetupEvent).NodeIds;343                this.NumOfIds = (int)Math.Pow(2, nodes.Count);344                for (var idx = 1; idx <= nodes.Count; idx++)345                {346                    var start = (this.NodeId + (int)Math.Pow(2, idx - 1)) % this.NumOfIds;347                    var end = (this.NodeId + (int)Math.Pow(2, idx)) % this.NumOfIds;348                    var nodeId = GetSuccessorNodeId(start, nodeIds);349                    this.FingerTable.Add(start, new Finger(start, end, nodes[nodeId]));350                }351                for (var idx = 0; idx < nodeIds.Count; idx++)352                {353                    if (nodeIds[idx] == this.NodeId)354                    {355                        this.Predecessor = nodes[WrapSubtract(idx, 1, nodeIds.Count)];356                        break;357                    }358                }359                this.RaiseEvent(new Local());360            }361            private void JoinCluster(Event e)362            {363                this.NodeId = (e as Join).Id;364                this.ManagerId = (e as Join).ManagerId;365                this.NumOfIds = (e as Join).NumOfIds;366                var nodes = (e as Join).Nodes;367                var nodeIds = (e as Join).NodeIds;368                for (var idx = 1; idx <= nodes.Count; idx++)369                {370                    var start = (this.NodeId + (int)Math.Pow(2, idx - 1)) % this.NumOfIds;371                    var end = (this.NodeId + (int)Math.Pow(2, idx)) % this.NumOfIds;372                    var nodeId = GetSuccessorNodeId(start, nodeIds);373                    this.FingerTable.Add(start, new Finger(start, end, nodes[nodeId]));374                }375                var successor = this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Node;376                this.SendEvent(this.ManagerId, new JoinAck());377                this.SendEvent(successor, new NotifySuccessor(this.Id));378            }379            [OnEventDoAction(typeof(FindSuccessor), nameof(ProcessFindSuccessor))]380            [OnEventDoAction(typeof(FindSuccessorResp), nameof(ProcessFindSuccessorResp))]381            [OnEventDoAction(typeof(FindPredecessor), nameof(ProcessFindPredecessor))]382            [OnEventDoAction(typeof(FindPredecessorResp), nameof(ProcessFindPredecessorResp))]383            [OnEventDoAction(typeof(QueryId), nameof(ProcessQueryId))]384            [OnEventDoAction(typeof(AskForKeys), nameof(SendKeys))]385            [OnEventDoAction(typeof(AskForKeysResp), nameof(UpdateKeys))]386            [OnEventDoAction(typeof(NotifySuccessor), nameof(UpdatePredecessor))]387            [OnEventDoAction(typeof(Stabilize), nameof(ProcessStabilize))]388            [OnEventDoAction(typeof(Terminate), nameof(ProcessTerminate))]389            private class Waiting : State390            {391            }392            private void ProcessFindSuccessor(Event e)393            {394                var sender = (e as FindSuccessor).Sender;395                var key = (e as FindSuccessor).Key;396                if (this.Keys.Contains(key))397                {398                    this.SendEvent(sender, new FindSuccessorResp(this.Id, key));399                }400                else if (this.FingerTable.ContainsKey(key))401                {402                    this.SendEvent(sender, new FindSuccessorResp(this.FingerTable[key].Node, key));403                }404                else if (this.NodeId.Equals(key))405                {406                    this.SendEvent(sender, new FindSuccessorResp(407                        this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Node, key));408                }409                else410                {411                    int idToAsk = -1;412                    foreach (var finger in this.FingerTable)413                    {414                        if (((finger.Value.Start > finger.Value.End) &&415                            (finger.Value.Start <= key || key < finger.Value.End)) ||416                            ((finger.Value.Start < finger.Value.End) &&417                            finger.Value.Start <= key && key < finger.Value.End))418                        {419                            idToAsk = finger.Key;420                        }421                    }422                    if (idToAsk < 0)423                    {424                        idToAsk = (this.NodeId + 1) % this.NumOfIds;425                    }426                    if (this.FingerTable[idToAsk].Node.Equals(this.Id))427                    {428                        foreach (var finger in this.FingerTable)429                        {430                            if (finger.Value.End == idToAsk ||431                                finger.Value.End == idToAsk - 1)432                            {433                                idToAsk = finger.Key;434                                break;435                            }436                        }437                        this.Assert(!this.FingerTable[idToAsk].Node.Equals(this.Id), "Cannot locate successor of {0}.", key);438                    }439                    this.SendEvent(this.FingerTable[idToAsk].Node, new FindSuccessor(sender, key));440                }441            }442            private void ProcessFindPredecessor(Event e)443            {444                var sender = (e as FindPredecessor).Sender;445                if (this.Predecessor != null)446                {447                    this.SendEvent(sender, new FindPredecessorResp(this.Predecessor));448                }449            }450            private void ProcessQueryId(Event e)451            {452                var sender = (e as QueryId).Sender;453                this.SendEvent(sender, new QueryIdResp(this.NodeId));454            }455            private void SendKeys(Event e)456            {457                var sender = (e as AskForKeys).Node;458                var senderId = (e as AskForKeys).Id;459                this.Assert(this.Predecessor.Equals(sender), "Predecessor is corrupted.");460                List<int> keysToSend = new List<int>();461                foreach (var key in this.Keys)462                {463                    if (key <= senderId)464                    {465                        keysToSend.Add(key);466                    }467                }468                if (keysToSend.Count > 0)469                {470                    foreach (var key in keysToSend)471                    {472                        this.Keys.Remove(key);473                    }474                    this.SendEvent(sender, new AskForKeysResp(keysToSend));475                }476            }477            private void ProcessStabilize()478            {479                var successor = this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Node;480                this.SendEvent(successor, new FindPredecessor(this.Id));481                foreach (var finger in this.FingerTable)482                {483                    if (!finger.Value.Node.Equals(successor))484                    {485                        this.SendEvent(successor, new FindSuccessor(this.Id, finger.Key));486                    }487                }488            }489            private void ProcessFindSuccessorResp(Event e)490            {491                var successor = (e as FindSuccessorResp).Node;492                var key = (e as FindSuccessorResp).Key;493                this.Assert(this.FingerTable.ContainsKey(key), "Finger table of {0} does not contain {1}.", this.NodeId, key);494                this.FingerTable[key] = new Finger(this.FingerTable[key].Start, this.FingerTable[key].End, successor);495            }496            private void ProcessFindPredecessorResp(Event e)497            {498                var successor = (e as FindPredecessorResp).Node;499                if (!successor.Equals(this.Id))500                {501                    this.FingerTable[(this.NodeId + 1) % this.NumOfIds] = new Finger(502                        this.FingerTable[(this.NodeId + 1) % this.NumOfIds].Start,503                        this.FingerTable[(this.NodeId + 1) % this.NumOfIds].End,504                        successor);505                    this.SendEvent(successor, new NotifySuccessor(this.Id));506                    this.SendEvent(successor, new AskForKeys(this.Id, this.NodeId));507                }508            }509            private void UpdatePredecessor(Event e)510            {511                var predecessor = (e as NotifySuccessor).Node;512                if (!predecessor.Equals(this.Id))513                {514                    this.Predecessor = predecessor;515                }516            }517            private void UpdateKeys(Event e)518            {519                var keys = (e as AskForKeysResp).Keys;520                foreach (var key in keys)521                {522                    this.Keys.Add(key);523                }524            }525            private void ProcessTerminate() => this.RaiseHaltEvent();526            private static int GetSuccessorNodeId(int start, List<int> nodeIds)527            {528                var candidate = -1;529                foreach (var id in nodeIds.Where(v => v >= start))530                {531                    if (candidate < 0 || id < candidate)532                    {533                        candidate = id;534                    }535                }536                if (candidate < 0)537                {538                    foreach (var id in nodeIds.Where(v => v < start))539                    {540                        if (candidate < 0 || id < candidate)541                        {542                            candidate = id;543                        }544                    }545                }546                for (int idx = 0; idx < nodeIds.Count; idx++)547                {548                    if (nodeIds[idx] == candidate)549                    {550                        candidate = idx;551                        break;552                    }553                }554                return candidate;555            }556            private static int WrapSubtract(int left, int right, int ceiling)557            {558                int result = left - right;559                if (result < 0)560                {561                    result = ceiling + result;562                }563                return result;564            }565        }566        private class Client : StateMachine567        {568            internal class SetupEvent : Event569            {570                public ActorId ClusterManager;571                public List<int> Keys;572                public SetupEvent(ActorId clusterManager, List<int> keys)573                    : base()574                {575                    this.ClusterManager = clusterManager;576                    this.Keys = keys;577                }578            }579            private class Local : Event580            {581            }582            private ActorId ClusterManager;583            private List<int> Keys;584            private int QueryCounter;585            [Start]586            [OnEntry(nameof(InitOnEntry))]587            [OnEventGotoState(typeof(Local), typeof(Querying))]588            private class Init : State589            {590            }591            private void InitOnEntry(Event e)592            {593                this.ClusterManager = (e as SetupEvent).ClusterManager;594                this.Keys = (e as SetupEvent).Keys;595                // LIVENESS BUG: can never detect the key, and keeps looping without596                // exiting the process. Enable to introduce the bug.597                this.Keys.Add(17);598                this.QueryCounter = 0;599                this.RaiseEvent(new Local());600            }601            [OnEntry(nameof(QueryingOnEntry))]602            [OnEventGotoState(typeof(Local), typeof(Waiting))]603            private class Querying : State604            {605            }606            private void QueryingOnEntry()607            {608                if (this.QueryCounter < 5)609                {610                    if (this.RandomBoolean())611                    {612                        var key = this.GetNextQueryKey();613                        this.Logger.WriteLine($"<ChordLog> Client is searching for successor of key '{key}'.");614                        this.SendEvent(this.ClusterManager, new ChordNode.FindSuccessor(this.Id, key));615                        this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyClientRequest(key));616                    }617                    else if (this.RandomBoolean())618                    {619                        this.SendEvent(this.ClusterManager, new ClusterManager.CreateNewNode());620                    }621                    else622                    {623                        this.SendEvent(this.ClusterManager, new ClusterManager.TerminateNode());624                    }625                    this.QueryCounter++;626                }627                this.RaiseEvent(new Local());628            }629            private int GetNextQueryKey()630            {631                int keyIndex = -1;632                while (keyIndex < 0)633                {634                    for (int i = 0; i < this.Keys.Count; i++)635                    {636                        if (this.RandomBoolean())637                        {638                            keyIndex = i;639                            break;640                        }641                    }642                }643                return this.Keys[keyIndex];644            }645            [OnEventGotoState(typeof(Local), typeof(Querying))]646            [OnEventDoAction(typeof(ChordNode.FindSuccessorResp), nameof(ProcessFindSuccessorResp))]647            [OnEventDoAction(typeof(ChordNode.QueryIdResp), nameof(ProcessQueryIdResp))]648            private class Waiting : State649            {650            }651            private void ProcessFindSuccessorResp(Event e)652            {653                var successor = (e as ChordNode.FindSuccessorResp).Node;654                var key = (e as ChordNode.FindSuccessorResp).Key;655                this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyClientResponse(key));656                this.SendEvent(successor, new ChordNode.QueryId(this.Id));657            }658            private void ProcessQueryIdResp() => this.RaiseEvent(new Local());659        }660        private class LivenessMonitor : Monitor661        {662            public class NotifyClientRequest : Event663            {664                public int Key;665                public NotifyClientRequest(int key)666                    : base()667                {668                    this.Key = key;669                }670            }671            public class NotifyClientResponse : Event672            {673                public int Key;674                public NotifyClientResponse(int key)675                    : base()676                {677                    this.Key = key;678                }679            }680            [Start]681            [OnEntry(nameof(InitOnEntry))]682            private class Init : State683            {684            }685            private void InitOnEntry() => this.RaiseGotoStateEvent<Responded>();686            [Cold]687            [OnEventGotoState(typeof(NotifyClientRequest), typeof(Requested))]688            private class Responded : State689            {690            }691            [Hot]692            [OnEventGotoState(typeof(NotifyClientResponse), typeof(Responded))]693            private class Requested : State694            {695            }696        }697        [Theory(Timeout = 10000)]698        [InlineData(20)]699        public void TestLivenessBugInChordProtocol(uint seed)...

SharedDictionaryTests.cs

Source:SharedDictionaryTests.cs

...31        }32        private class M1 : StateMachine33        {34            [Start]35            [OnEntry(nameof(InitOnEntry))]36            private class Init : State37            {38            }39            private void InitOnEntry()40            {41                var counter = SharedDictionary.Create<int, string>(this.Id.Runtime);42                this.CreateActor(typeof(N1), new E1(counter));43                counter.TryAdd(1, "M");44                var v = counter[1];45                this.Assert(v == "M", "Reached test assertion.");46            }47        }48        private class N1 : StateMachine49        {50            [Start]51            [OnEntry(nameof(InitOnEntry))]52            private class Init : State53            {54            }55#pragma warning disable CA1822 // Mark members as static56            private void InitOnEntry(Event e)57#pragma warning restore CA1822 // Mark members as static58            {59                var counter = (e as E1).Counter;60                counter.TryUpdate(1, "N", "M");61            }62        }63        [Fact(Timeout = 5000)]64        public void TestSharedDictionary1()65        {66            this.TestWithError(r =>67            {68                r.CreateActor(typeof(M1));69            },70            configuration: this.GetConfiguration().WithTestingIterations(50),71            expectedError: "Reached test assertion.",72            replay: true);73        }74        private class M2 : StateMachine75        {76            [Start]77            [OnEntry(nameof(InitOnEntry))]78            private class Init : State79            {80            }81            private void InitOnEntry()82            {83                var counter = SharedDictionary.Create<int, string>(this.Id.Runtime);84                counter.TryAdd(1, "M");85                // Key not present; will throw an exception.86                _ = counter[2];87            }88        }89        [Fact(Timeout = 5000)]90        public void TestSharedDictionary2()91        {92            this.TestWithException<System.Collections.Generic.KeyNotFoundException>(r =>93            {94                r.CreateActor(typeof(M2));95            },96            configuration: this.GetConfiguration().WithTestingIterations(50),97            replay: true);98        }99        private class M3 : StateMachine100        {101            [Start]102            [OnEntry(nameof(InitOnEntry))]103            private class Init : State104            {105            }106            private void InitOnEntry()107            {108                var counter = SharedDictionary.Create<int, string>(this.Id.Runtime);109                this.CreateActor(typeof(N3), new E1(counter));110                counter.TryAdd(1, "M");111                _ = counter[1];112                var c = counter.Count;113                this.Assert(c is 1);114            }115        }116        private class N3 : StateMachine117        {118            [Start]119            [OnEntry(nameof(InitOnEntry))]120            private class Init : State121            {122            }123#pragma warning disable CA1822 // Mark members as static124            private void InitOnEntry(Event e)125#pragma warning restore CA1822 // Mark members as static126            {127                var counter = (e as E1).Counter;128                counter.TryUpdate(1, "N", "M");129            }130        }131        [Fact(Timeout = 5000)]132        public void TestSharedDictionary3()133        {134            this.Test(r =>135            {136                r.CreateActor(typeof(M3));137            },138            configuration: this.GetConfiguration().WithTestingIterations(50));139        }140        private class M4 : StateMachine141        {142            [Start]143            [OnEntry(nameof(InitOnEntry))]144            private class Init : State145            {146            }147            private void InitOnEntry()148            {149                var counter = SharedDictionary.Create<int, string>(this.Id.Runtime);150                this.CreateActor(typeof(N4), new E1(counter));151                counter.TryAdd(1, "M");152                var b = counter.TryRemove(1, out string v);153                this.Assert(b is false || v == "M");154                this.Assert(counter.Count is 0);155            }156        }157        private class N4 : StateMachine158        {159            [Start]160            [OnEntry(nameof(InitOnEntry))]161            private class Init : State162            {163            }164            private void InitOnEntry(Event e)165            {166                var counter = (e as E1).Counter;167                var b = counter.TryRemove(1, out string v);168                this.Assert(b is false || v == "M");169            }170        }171        [Fact(Timeout = 5000)]172        public void TestSharedDictionary4()173        {174            this.Test(r =>175            {176                r.CreateActor(typeof(M4));177            },178            configuration: this.GetConfiguration().WithTestingIterations(50));179        }180        private class M5 : StateMachine181        {182            [Start]183            [OnEntry(nameof(InitOnEntry))]184            private class Init : State185            {186            }187            private void InitOnEntry(Event e)188            {189                var counter = (e as E2).Counter;190                var flag = (e as E2).Flag;191                counter.TryAdd(1, "M");192                if (flag)193                {194                    this.CreateActor(typeof(N5), new E2(counter, false));195                }196                var b = counter.TryGetValue(2, out string v);197                if (!flag)198                {199                    this.Assert(!b);200                }201                if (b)202                {203                    this.Assert(v == "N");204                }205            }206        }207        private class N5 : StateMachine208        {209            [Start]210            [OnEntry(nameof(InitOnEntry))]211            private class Init : State212            {213            }214            private void InitOnEntry(Event e)215            {216                var counter = (e as E2).Counter;217                bool b = counter.TryGetValue(1, out string v);218                this.Assert(b);219                this.Assert(v == "M");220                counter.TryAdd(2, "N");221            }222        }223        [Fact(Timeout = 5000)]224        public void TestSharedDictionary5()225        {226            this.Test(r =>227            {228                var counter = SharedDictionary.Create<int, string>(r);229                r.CreateActor(typeof(M5), new E2(counter, true));230            },231            configuration: this.GetConfiguration().WithTestingIterations(50));232        }233        [Fact(Timeout = 5000)]234        public void TestSharedDictionary6()235        {236            this.Test(r =>237            {238                var counter = SharedDictionary.Create<int, string>(r);239                r.CreateActor(typeof(M5), new E2(counter, false));240            },241            configuration: this.GetConfiguration().WithTestingIterations(50));242        }243        private class M6 : StateMachine244        {245            [Start]246            [OnEntry(nameof(InitOnEntry))]247            private class Init : State248            {249            }250            private void InitOnEntry(Event e)251            {252                var counter = (e as E1).Counter;253                this.CreateActor(typeof(N6), new E1(counter));254                counter.TryAdd(1, "M");255                var b = counter.TryGetValue(2, out string _);256                this.Assert(!b, "Reached test assertion.");257            }258        }259        private class N6 : StateMachine260        {261            [Start]262            [OnEntry(nameof(InitOnEntry))]263            private class Init : State264            {265            }266#pragma warning disable CA1822 // Mark members as static267            private void InitOnEntry(Event e)268#pragma warning restore CA1822 // Mark members as static269            {270                var counter = (e as E1).Counter;271                counter.TryAdd(2, "N");272            }273        }274        [Fact(Timeout = 5000)]275        public void TestSharedDictionary7()276        {277            this.TestWithError(r =>278            {279                var counter = SharedDictionary.Create<int, string>(r);280                r.CreateActor(typeof(M6), new E1(counter));281            },...

SharedRegisterTests.cs

Source:SharedRegisterTests.cs

...40        }41        private class M1 : StateMachine42        {43            [Start]44            [OnEntry(nameof(InitOnEntry))]45            private class Init : State46            {47            }48            private void InitOnEntry(Event e)49            {50                var flag = (e as Setup).Flag;51                var counter = SharedRegister.Create(this.Id.Runtime, 0);52                counter.SetValue(5);53                this.CreateActor(typeof(N1), new E<int>(counter));54                counter.Update(x =>55                {56                    if (x == 5)57                    {58                        return 6;59                    }60                    return x;61                });62                var v = counter.GetValue();63                if (flag)64                {65                    // Succeeds.66                    this.Assert(v is 2 || v == 6);67                }68                else69                {70                    // Fails.71                    this.Assert(v == 6, "Reached test assertion.");72                }73            }74        }75        private class N1 : StateMachine76        {77            [Start]78            [OnEntry(nameof(InitOnEntry))]79            private class Init : State80            {81            }82#pragma warning disable CA1822 // Mark members as static83            private void InitOnEntry(Event e)84#pragma warning restore CA1822 // Mark members as static85            {86                var counter = (e as E<int>).Counter;87                counter.SetValue(2);88            }89        }90        [Fact(Timeout = 5000)]91        public void TestSharedRegister1()92        {93            this.Test(r =>94            {95                r.CreateActor(typeof(M1), new Setup(true));96            },97            configuration: this.GetConfiguration().WithTestingIterations(100));98        }99        [Fact(Timeout = 5000)]100        public void TestSharedRegister2()101        {102            this.TestWithError(r =>103            {104                r.CreateActor(typeof(M1), new Setup(false));105            },106            configuration: this.GetConfiguration().WithTestingIterations(100),107            expectedError: "Reached test assertion.",108            replay: true);109        }110        private class M2 : StateMachine111        {112            [Start]113            [OnEntry(nameof(InitOnEntry))]114            private class Init : State115            {116            }117            private void InitOnEntry(Event e)118            {119                var flag = (e as Setup).Flag;120                var counter = SharedRegister.Create<S>(this.Id.Runtime);121                counter.SetValue(new S(1, 1));122                this.CreateActor(typeof(N2), new E<S>(counter));123                counter.Update(x =>124                {125                    return new S(x.Value1 + 1, x.Value2 + 1);126                });127                var v = counter.GetValue();128                // Succeeds.129                this.Assert(v.Value1 == v.Value2);130                if (flag)131                {132                    // Succeeds.133                    this.Assert(v.Value1 is 2 || v.Value1 == 5 || v.Value1 == 6);134                }135                else136                {137                    // Fails.138                    this.Assert(v.Value1 is 2 || v.Value1 == 6, "Reached test assertion.");139                }140            }141        }142        private class N2 : StateMachine143        {144            [Start]145            [OnEntry(nameof(InitOnEntry))]146            private class Init : State147            {148            }149#pragma warning disable CA1822 // Mark members as static150            private void InitOnEntry(Event e)151#pragma warning restore CA1822 // Mark members as static152            {153                var counter = (e as E<S>).Counter;154                counter.SetValue(new S(5, 5));155            }156        }157        [Fact(Timeout = 5000)]158        public void TestSharedRegister3()159        {160            this.Test(r =>161            {162                r.CreateActor(typeof(M2), new Setup(true));163            },164            configuration: this.GetConfiguration().WithTestingIterations(100));...

InitOnEntry

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Actors.BugFinding.Tests;6using Microsoft.Coyote.Actors.BugFinding.Tests.Update;7using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test;8using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model;9using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Events;10using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.States;11using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks;12using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.States;13using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks;14using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.States;15using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks;16using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.States;17using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks;18using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.States;19using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks;20using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.States;21using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks;22using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.States;23using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks;24using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.States;25using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks;26using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.States;27using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks;28using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Test.Model.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.Tasks.States;

InitOnEntry

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Actors;7using Microsoft.Coyote.Actors.BugFinding.Tests;8using Microsoft.Coyote.Specifications;9using Microsoft.Coyote.SystematicTesting;10using Microsoft.Coyote.Tasks;11{12    {13        [OnEventDoAction(typeof(Init), nameof(InitOnEntry))]14        class InitState : State { }15        public void InitOnEntry(Event e)16        {17            this.RaiseEvent(new Halt());18        }19    }20}21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26using Microsoft.Coyote.Actors;27using Microsoft.Coyote.Actors.BugFinding.Tests;28using Microsoft.Coyote.Specifications;29using Microsoft.Coyote.SystematicTesting;30using Microsoft.Coyote.Tasks;31{32    {33        [OnEventDoAction(typeof(Init), nameof(InitOnEntry))]34        class InitState : State { }35        public void InitOnEntry(Event e)36        {37            this.RaiseEvent(new Halt());38        }39    }40}41using System;42using System.Collections.Generic;43using System.Linq;44using System.Text;45using System.Threading.Tasks;46using Microsoft.Coyote.Actors;47using Microsoft.Coyote.Actors.BugFinding.Tests;48using Microsoft.Coyote.Specifications;49using Microsoft.Coyote.SystematicTesting;50using Microsoft.Coyote.Tasks;51{52    {53        [OnEventDoAction(typeof(Init), nameof(InitOnEntry))]54        class InitState : State { }55        public void InitOnEntry(Event e)56        {57            this.RaiseEvent(new Halt());58        }59    }60}

InitOnEntry

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding.Tests;5using Microsoft.Coyote.TestingServices;6using Microsoft.Coyote.TestingServices.Runtime;7using Microsoft.Coyote.TestingServices.SchedulingStrategies;8using Microsoft.Coyote.TestingServices.SchedulingStrategies.DPOR;9using Microsoft.Coyote.TestingServices.SchedulingStrategies.ProbabilisticRandomExecution;10using Microsoft.Coyote.TestingServices.SchedulingStrategies.StateExploration;11using Microsoft.Coyote.TestingServices.SchedulingStrategies.UnfairExponentialRandomStrategy;12using Microsoft.Coyote.TestingServices.SchedulingStrategies.UnfairProbabilisticRandomExecution;13using Microsoft.Coyote.TestingServices.Threading;14using Microsoft.Coyote.TestingServices.Tracing.Schedule;15using Microsoft.VisualStudio.TestTools.UnitTesting;16{17    {18        private static void RunTest(Action<Configuration> config, Action<ActorRuntime> runtime, Action<ISchedulingStrategy> strategy, Action<ActorId> test)19        {20            var testConfig = Configuration.Create();21            config(testConfig);22            var testRuntime = RuntimeFactory.Create(testConfig);23            runtime(testRuntime);24            var schedulingStrategy = new StateGraphStrategy();25            strategy(schedulingStrategy);26            var testTask = testRuntime.CreateActor(typeof(Update), new Update.SetupEvent(testRuntime, schedulingStrategy));27            test(testTask);28            testRuntime.Wait();29        }30        public void TestUpdate()31        {32            RunTest(33                config => { },34                runtime => { },35                strategy => { },36                test => test.SendEvent(new Update.UpdateEvent()));37        }38    }39}40using System;41using System.Threading.Tasks;42using Microsoft.Coyote.Actors;43using Microsoft.Coyote.Actors.BugFinding.Tests;44using Microsoft.Coyote.TestingServices;45using Microsoft.Coyote.TestingServices.Runtime;46using Microsoft.Coyote.TestingServices.SchedulingStrategies;47using Microsoft.Coyote.TestingServices.SchedulingStrategies.DPOR;48using Microsoft.Coyote.TestingServices.SchedulingStrategies.ProbabilisticRandomExecution;

InitOnEntry

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Coyote.Actors;6using Microsoft.Coyote.Actors.BugFinding.Tests;7using Microsoft.Coyote.Specifications;8using Microsoft.Coyote.Tasks;9using Microsoft.Coyote.Tests.Common;10using Microsoft.Coyote.Tests.Common.Actors;11using Xunit;12using Xunit.Abstractions;13{14    {15        public InitOnEntryTests(ITestOutputHelper output)16            : base(output)17        {18        }19        [Fact(Timeout = 5000)]20        public void TestInitOnEntry()21        {22            this.TestWithError(r =>23            {24                r.CreateActor(typeof(Update));25            },26            configuration: GetConfiguration().WithTestingIterations(100),27            replay: true);28        }29    }30}31using System;32using System.Collections.Generic;33using System.Text;34using System.Threading.Tasks;35using Microsoft.Coyote.Actors;36using Microsoft.Coyote.Actors.BugFinding.Tests;37using Microsoft.Coyote.Specifications;38using Microsoft.Coyote.Tasks;39using Microsoft.Coyote.Tests.Common;40using Microsoft.Coyote.Tests.Common.Actors;41using Xunit;42using Xunit.Abstractions;43{44    {45        public InitOnEntryTests(ITestOutputHelper output)46            : base(output)47        {48        }49        [Fact(Timeout = 5000)]50        public void TestInitOnEntry()51        {52            this.TestWithError(r =>53            {54                r.CreateActor(typeof(Update));55            },56            configuration: GetConfiguration().WithTestingIterations(100),57            replay: true);58        }59    }60}61using System;62using System.Collections.Generic;63using System.Text;64using System.Threading.Tasks;65using Microsoft.Coyote.Actors;66using Microsoft.Coyote.Actors.BugFinding.Tests;67using Microsoft.Coyote.Specifications;

InitOnEntry

Using AI Code Generation

1using Microsoft.Coyote.Actors;2{3    {4        [OnEntry(nameof(InitOnEntry))]5        [OnEventDoAction(typeof(e), nameof(InitOnEvent))]6        [OnEventDoAction(typeof(e), nameof(InitOnEvent))]7        class Init : State { }8        void InitOnEntry(Event e)9        {10            this.Send(this.Id, new e());11        }12        void InitOnEvent(Event e)13        {14            this.Raise(new Halt());15        }16    }17}18var method = this.GetType().GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Instance);

InitOnEntry

Using AI Code Generation

1using System;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.BugFinding.Tests;4using Microsoft.Coyote.Specifications;5using Microsoft.Coyote.SystematicTesting;6using Microsoft.Coyote.SystematicTesting.Strategies;7using Microsoft.Coyote.SystematicTesting.Tests;8using Microsoft.Coyote.Tasks;9using Microsoft.Coyote.Tests.Common;10using Microsoft.Coyote.Tests.Common.Events;11using Microsoft.Coyote.Tests.Common.TestingServices;12using Microsoft.Coyote.Tests.Common.Utilities;13using Xunit;14using Xunit.Abstractions;15{16    {17        public Update(ITestOutputHelper output)18            : base(output)19        {20        }21        {22            public ActorId Id;23            public E(ActorId id)24            {25                this.Id = id;26            }27        }28        {29            public ActorId Id;30            public M(ActorId id)31            {32                this.Id = id;33            }34        }35        {36            public ActorId Id;37            public N(ActorId id)38            {39                this.Id = id;40            }41        }42        {43        }44        {45            public ActorId Id;46            public Config(ActorId id)47            {48                this.Id = id;49            }50        }51        {52        }53        {54            public ActorId Id;55            public Setup(ActorId id)56            {57                this.Id = id;58            }59        }60        {61            public ActorId Id;62            public Get(ActorId id)63            {64                this.Id = id;65            }66        }67        {68            public ActorId Id;69            public Response(ActorId id)70            {71                this.Id = id;72            }73        }74        {75            private ActorId B;76            protected override Task OnInitializeAsync(Event initialEvent)77            {78                this.B = (initialEvent as Config).Id;79                return Task.CompletedTask;80            }81            protected override Task OnEventAsync(Event e)82            {83                if (e is Unit)84                {85                    this.SendEvent(this.B

InitOnEntry

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Actors.BugFinding.Tests;6using Microsoft.Coyote.Specifications;7{8    {9        public static async Task Main(string[] args)10        {11            var config = Configuration.Create().WithTestingIterations(100);12            var result = await BugFindingEngine.TestAsync(config, async r =>13            {14                var a = r.CreateActor(typeof(Update));15                r.SendEvent(a, new InitOnEntryEvent());16            });17            Console.WriteLine("Number of bugs found: " + result.NumOfFoundBugs);18        }19    }20}21using System;22using System.Threading.Tasks;23using Microsoft.Coyote;24using Microsoft.Coyote.Actors;25using Microsoft.Coyote.Actors.BugFinding.Tests;26using Microsoft.Coyote.Specifications;27{28    {29        public static async Task Main(string[] args)30        {31            var config = Configuration.Create().WithTestingIterations(100);32            var result = await BugFindingEngine.TestAsync(config, async r =>33            {34                var a = r.CreateActor(typeof(Update));35                r.SendEvent(a, new InitOnCreateEvent());36            });37            Console.WriteLine("Number of bugs

InitOnEntry

Using AI Code Generation

1using Microsoft.Coyote;2using Microsoft.Coyote.Actors;3{4    {5        public static void Main(string[] args)6        {7            var runtime = RuntimeFactory.Create();8            runtime.CreateActor(typeof(Update));9            runtime.Run();10        }11    }12}13using Microsoft.Coyote;14using Microsoft.Coyote.Actors;15using System.Threading.Tasks;16{17    {18        public static void Main(string[] args)19        {20            var runtime = RuntimeFactory.Create();21            runtime.CreateActor(typeof(Update));22            runtime.Run();23        }24    }25    {26        [OnEntry(nameof(InitOnEntry))]27        [OnEventDoAction(typeof(UnitEvent), nameof(UpdateState))]28        {29        }30        private void InitOnEntry()31        {32            this.RaiseEvent(new UnitEvent());33        }34        private void UpdateState()35        {36            this.SendEvent(this.Id, new UnitEvent());37        }38    }39}40using Microsoft.Coyote;41using Microsoft.Coyote.Actors;42using System.Threading.Tasks;43{44    {45        public static void Main(string[] args)46        {47            var runtime = RuntimeFactory.Create();48            runtime.CreateActor(typeof(Update));49            runtime.Run();50        }51    }52    {53        [OnEntry(nameof(InitOnEntry))]54        [OnEventDoAction(typeof(UnitEvent), nameof(UpdateState))]55        {56        }57        private void InitOnEntry()58        {59            this.RaiseEvent(new UnitEvent());60        }61        private void UpdateState()62        {63            this.SendEvent(this.Id, new UnitEvent());64        }65    }66}67using Microsoft.Coyote;68using Microsoft.Coyote.Actors;69using System.Threading.Tasks;70{

InitOnEntry

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Specifications;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            var runtime = RuntimeFactory.Create();9            runtime.RegisterMonitor(typeof(Monitor));10            runtime.CreateActor(typeof(Update));11            runtime.Wait();12        }13    }14    {15        [OnEventDoAction(typeof(InitOnEntryEvent), nameof(OnInitOnEntry))]16        class Init : MonitorState { }17        void OnInitOnEntry()18        {19            this.Assert(false);20        }21    }22    {23        [OnEntry(nameof(InitOnEntry))]24        [OnEventDoAction(typeof(InitOnEntryEvent), nameof(OnInitOnEntry))]25        class Init : ActorState { }26        void InitOnEntry()27        {28            this.Send(this.Id, new InitOnEntryEvent());29        }30        void OnInitOnEntry()31        {32            this.Assert(false);33        }34    }35    class InitOnEntryEvent : Event { }36}37   at Microsoft.Coyote.Actors.ActorRuntime.SendEvent(ActorId actorId, Event e, Guid opGroupId, EventInfo currentEventInfo, EventInfo prevEventInfo)38   at Microsoft.Coyote.Actors.Actor.SendEvent(ActorId target, Event e)39   at Microsoft.Coyote.Actors.Actor.SendEvent(Event e)40   at CoyoteTests.Update.OnInitOnEntry()41   at CoyoteTests.Update.OnEvent()42   at Microsoft.Coyote.Actors.ActorRuntime.RunActor(ActorId actorId)43   at Microsoft.Coyote.Actors.ActorRuntime.RunActor(ActorId actorId, Event e)44   at Microsoft.Coyote.Actors.ActorRuntime.RunActor(ActorId actorId, Event e, Guid opGroupId, EventInfo currentEventInfo, EventInfo prevEventInfo)45   at Microsoft.Coyote.Actors.ActorRuntime.SendEvent(ActorId actorId, Event e, Guid opGroupId, EventInfo currentEventInfo, EventInfo prevEventInfo)46   at Microsoft.Coyote.Actors.Actor.SendEvent(ActorId target, Event e)47   at Microsoft.Coyote.Actors.Actor.SendEvent(Event e)

InitOnEntry

Using AI Code Generation

1using System;2using Microsoft.Coyote;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding.Tests;5using Microsoft.Coyote.Actors.BugFinding;6using Microsoft.Coyote.Actors.BugFinding.Tests.Update;7using System.Threading.Tasks;8{9    {10        public static void Main(string[] args)11        {12            var configuration = Configuration.Create().WithTestingIterations(100);13            BugFindingEngine engine = BugFindingEngine.Create(configuration);14            engine.RunAsync(async () =>15            {16                var actor = await Actor.CreateAsync(engine, typeof(Update));17                await actor.InvokeAsync((Update e) => e.InitOnEntry());18            }).Wait();19        }20    }21}22using System;23using Microsoft.Coyote;24using Microsoft.Coyote.Actors;25using Microsoft.Coyote.Actors.BugFinding.Tests;26using Microsoft.Coyote.Actors.BugFinding;27using Microsoft.Coyote.Actors.BugFinding.Tests.Update;28using System.Threading.Tasks;29{30    {31        public static void Main(string[] args)32        {33            var configuration = Configuration.Create().WithTestingIterations(100);34            BugFindingEngine engine = BugFindingEngine.Create(configuration);35            engine.RunAsync(async () =>36            {37                var actor = await Actor.CreateAsync(engine, typeof(Update));38                await actor.InvokeAsync((Update e) => e.InitOnEntry());39            }).Wait();40        }41    }42}43using System;44using Microsoft.Coyote;45using Microsoft.Coyote.Actors;46using Microsoft.Coyote.Actors.BugFinding.Tests;47using Microsoft.Coyote.Actors.BugFinding;48using Microsoft.Coyote.Actors.BugFinding.Tests.Update;49using System.Threading.Tasks;50{51    {52        public static void Main(string[] args)53        {54            var configuration = Configuration.Create().WithTestingIterations(100);

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