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

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

ChordTests.cs

Source:ChordTests.cs

...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)...

ReplicatingStorageTests.cs

Source:ReplicatingStorageTests.cs

...145            private Dictionary<int, int> DataMap;146            private ActorId RepairTimer;147            [Start]148            [OnEntry(nameof(EntryOnInit))]149            [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]150            [OnEventGotoState(typeof(LocalEvent), typeof(Active))]151            [DeferEvents(typeof(Client.Request), typeof(RepairTimer.Timeout))]152            private class Init : State153            {154            }155            private void EntryOnInit()156            {157                this.StorageNodes = new List<ActorId>();158                this.StorageNodeMap = new Dictionary<int, bool>();159                this.DataMap = new Dictionary<int, int>();160                this.RepairTimer = this.CreateActor(typeof(RepairTimer));161                this.SendEvent(this.RepairTimer, new RepairTimer.ConfigureEvent(this.Id));162            }163            private void SetupEvent(Event e)164            {165                this.Environment = (e as ConfigureEvent).Environment;166                this.NumberOfReplicas = (e as ConfigureEvent).NumberOfReplicas;167                for (int idx = 0; idx < this.NumberOfReplicas; idx++)168                {169                    this.CreateNewNode();170                }171                this.RaiseEvent(new LocalEvent());172            }173            private void CreateNewNode()174            {175                var idx = this.StorageNodes.Count;176                var node = this.CreateActor(typeof(StorageNode));177                this.StorageNodes.Add(node);178                this.StorageNodeMap.Add(idx, true);179                this.SendEvent(node, new StorageNode.ConfigureEvent(this.Environment, this.Id, idx));180            }181            [OnEventDoAction(typeof(Client.Request), nameof(ProcessClientRequest))]182            [OnEventDoAction(typeof(RepairTimer.Timeout), nameof(RepairNodes))]183            [OnEventDoAction(typeof(StorageNode.SyncReport), nameof(ProcessSyncReport))]184            [OnEventDoAction(typeof(NotifyFailure), nameof(ProcessFailure))]185            private class Active : State186            {187            }188            private void ProcessClientRequest(Event e)189            {190                var command = (e as Client.Request).Command;191                var aliveNodeIds = this.StorageNodeMap.Where(n => n.Value).Select(n => n.Key);192                foreach (var nodeId in aliveNodeIds)193                {194                    this.SendEvent(this.StorageNodes[nodeId], new StorageNode.StoreRequest(command));195                }196            }197            private void RepairNodes()198            {199                if (this.DataMap.Count is 0)200                {201                    return;202                }203                var latestData = this.DataMap.Values.Max();204                var numOfReplicas = this.DataMap.Count(kvp => kvp.Value == latestData);205                if (numOfReplicas >= this.NumberOfReplicas)206                {207                    return;208                }209                foreach (var node in this.DataMap)210                {211                    if (node.Value != latestData)212                    {213                        this.SendEvent(this.StorageNodes[node.Key], new StorageNode.SyncRequest(latestData));214                        numOfReplicas++;215                    }216                    if (numOfReplicas == this.NumberOfReplicas)217                    {218                        break;219                    }220                }221            }222            private void ProcessSyncReport(Event e)223            {224                var nodeId = (e as StorageNode.SyncReport).NodeId;225                var data = (e as StorageNode.SyncReport).Data;226                // LIVENESS BUG: can fail to ever repair again as it thinks there227                // are enough replicas. Enable to introduce a bug fix.228                // if (!this.StorageNodeMap.ContainsKey(nodeId))229                // {230                //    return;231                // }232                if (!this.DataMap.ContainsKey(nodeId))233                {234                    this.DataMap.Add(nodeId, 0);235                }236                this.DataMap[nodeId] = data;237            }238            private void ProcessFailure(Event e)239            {240                var node = (e as NotifyFailure).Node;241                var nodeId = this.StorageNodes.IndexOf(node);242                this.StorageNodeMap.Remove(nodeId);243                this.DataMap.Remove(nodeId);244                this.CreateNewNode();245            }246        }247        private class StorageNode : StateMachine248        {249            public class ConfigureEvent : Event250            {251                public ActorId Environment;252                public ActorId NodeManager;253                public int Id;254                public ConfigureEvent(ActorId env, ActorId manager, int id)255                    : base()256                {257                    this.Environment = env;258                    this.NodeManager = manager;259                    this.Id = id;260                }261            }262            public class StoreRequest : Event263            {264                public int Command;265                public StoreRequest(int cmd)266                    : base()267                {268                    this.Command = cmd;269                }270            }271            public class SyncReport : Event272            {273                public int NodeId;274                public int Data;275                public SyncReport(int id, int data)276                    : base()277                {278                    this.NodeId = id;279                    this.Data = data;280                }281            }282            public class SyncRequest : Event283            {284                public int Data;285                public SyncRequest(int data)286                    : base()287                {288                    this.Data = data;289                }290            }291            internal class ShutDown : Event292            {293            }294            private class LocalEvent : Event295            {296            }297            private ActorId Environment;298            private ActorId NodeManager;299            private int NodeId;300            private int Data;301            private ActorId SyncTimer;302            [Start]303            [OnEntry(nameof(EntryOnInit))]304            [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]305            [OnEventGotoState(typeof(LocalEvent), typeof(Active))]306            [DeferEvents(typeof(SyncTimer.Timeout))]307            private class Init : State308            {309            }310            private void EntryOnInit()311            {312                this.Data = 0;313                this.SyncTimer = this.CreateActor(typeof(SyncTimer));314                this.SendEvent(this.SyncTimer, new SyncTimer.ConfigureEvent(this.Id));315            }316            private void SetupEvent(Event e)317            {318                this.Environment = (e as ConfigureEvent).Environment;319                this.NodeManager = (e as ConfigureEvent).NodeManager;320                this.NodeId = (e as ConfigureEvent).Id;321                this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyNodeCreated(this.NodeId));322                this.SendEvent(this.Environment, new Environment.NotifyNode(this.Id));323                this.RaiseEvent(new LocalEvent());324            }325            [OnEventDoAction(typeof(StoreRequest), nameof(Store))]326            [OnEventDoAction(typeof(SyncRequest), nameof(Sync))]327            [OnEventDoAction(typeof(SyncTimer.Timeout), nameof(GenerateSyncReport))]328            [OnEventDoAction(typeof(Environment.FaultInject), nameof(Terminate))]329            private class Active : State330            {331            }332            private void Store(Event e)333            {334                var cmd = (e as StoreRequest).Command;335                this.Data += cmd;336                this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyNodeUpdate(this.NodeId, this.Data));337            }338            private void Sync(Event e)339            {340                var data = (e as SyncRequest).Data;341                this.Data = data;342                this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyNodeUpdate(this.NodeId, this.Data));343            }344            private void GenerateSyncReport()345            {346                this.SendEvent(this.NodeManager, new SyncReport(this.NodeId, this.Data));347            }348            private void Terminate()349            {350                this.Monitor<LivenessMonitor>(new LivenessMonitor.NotifyNodeFail(this.NodeId));351                this.SendEvent(this.SyncTimer, HaltEvent.Instance);352                this.RaiseHaltEvent();353            }354        }355        private class FailureTimer : StateMachine356        {357            internal class ConfigureEvent : Event358            {359                public ActorId Target;360                public ConfigureEvent(ActorId id)361                    : base()362                {363                    this.Target = id;364                }365            }366            internal class StartTimerEvent : Event367            {368            }369            internal class CancelTimer : Event370            {371            }372            internal class Timeout : Event373            {374            }375            private class TickEvent : Event376            {377            }378            private ActorId Target;379            [Start]380            [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]381            [OnEventGotoState(typeof(StartTimerEvent), typeof(Active))]382            private class Init : State383            {384            }385            private void SetupEvent(Event e)386            {387                this.Target = (e as ConfigureEvent).Target;388                this.RaiseEvent(new StartTimerEvent());389            }390            [OnEntry(nameof(ActiveOnEntry))]391            [OnEventDoAction(typeof(TickEvent), nameof(Tick))]392            [OnEventGotoState(typeof(CancelTimer), typeof(Inactive))]393            [IgnoreEvents(typeof(StartTimerEvent))]394            private class Active : State395            {396            }397            private void ActiveOnEntry()398            {399                this.SendEvent(this.Id, new TickEvent());400            }401            private void Tick()402            {403                if (this.RandomBoolean())404                {405                    this.SendEvent(this.Target, new Timeout());406                }407                this.SendEvent(this.Id, new TickEvent());408            }409            [OnEventGotoState(typeof(StartTimerEvent), typeof(Active))]410            [IgnoreEvents(typeof(CancelTimer), typeof(TickEvent))]411            private class Inactive : State412            {413            }414        }415        private class RepairTimer : StateMachine416        {417            internal class ConfigureEvent : Event418            {419                public ActorId Target;420                public ConfigureEvent(ActorId id)421                    : base()422                {423                    this.Target = id;424                }425            }426            internal class StartTimerEvent : Event427            {428            }429            internal class CancelTimer : Event430            {431            }432            internal class Timeout : Event433            {434            }435            private class TickEvent : Event436            {437            }438            private ActorId Target;439            [Start]440            [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]441            [OnEventGotoState(typeof(StartTimerEvent), typeof(Active))]442            private class Init : State443            {444            }445            private void SetupEvent(Event e)446            {447                this.Target = (e as ConfigureEvent).Target;448                this.RaiseEvent(new StartTimerEvent());449            }450            [OnEntry(nameof(ActiveOnEntry))]451            [OnEventDoAction(typeof(TickEvent), nameof(Tick))]452            [OnEventGotoState(typeof(CancelTimer), typeof(Inactive))]453            [IgnoreEvents(typeof(StartTimerEvent))]454            private class Active : State455            {456            }457            private void ActiveOnEntry()458            {459                this.SendEvent(this.Id, new TickEvent());460            }461            private void Tick()462            {463                if (this.RandomBoolean())464                {465                    this.SendEvent(this.Target, new Timeout());466                }467                this.SendEvent(this.Id, new TickEvent());468            }469            [OnEventGotoState(typeof(StartTimerEvent), typeof(Active))]470            [IgnoreEvents(typeof(CancelTimer), typeof(TickEvent))]471            private class Inactive : State472            {473            }474        }475        private class SyncTimer : StateMachine476        {477            internal class ConfigureEvent : Event478            {479                public ActorId Target;480                public ConfigureEvent(ActorId id)481                    : base()482                {483                    this.Target = id;484                }485            }486            internal class StartTimerEvent : Event487            {488            }489            internal class CancelTimer : Event490            {491            }492            internal class Timeout : Event493            {494            }495            private class TickEvent : Event496            {497            }498            private ActorId Target;499            [Start]500            [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]501            [OnEventGotoState(typeof(StartTimerEvent), typeof(Active))]502            private class Init : State503            {504            }505            private void SetupEvent(Event e)506            {507                this.Target = (e as ConfigureEvent).Target;508                this.RaiseEvent(new StartTimerEvent());509            }510            [OnEntry(nameof(ActiveOnEntry))]511            [OnEventDoAction(typeof(TickEvent), nameof(Tick))]512            [OnEventGotoState(typeof(CancelTimer), typeof(Inactive))]513            [IgnoreEvents(typeof(StartTimerEvent))]514            private class Active : State515            {516            }517            private void ActiveOnEntry()518            {519                this.SendEvent(this.Id, new TickEvent());520            }521            private void Tick()522            {523                if (this.RandomBoolean())524                {525                    this.SendEvent(this.Target, new Timeout());526                }527                this.SendEvent(this.Id, new TickEvent());528            }529            [OnEventGotoState(typeof(StartTimerEvent), typeof(Active))]530            [IgnoreEvents(typeof(CancelTimer), typeof(TickEvent))]531            private class Inactive : State532            {533            }534        }535        private class Client : StateMachine536        {537            public class ConfigureEvent : Event538            {539                public ActorId NodeManager;540                public ConfigureEvent(ActorId manager)541                    : base()542                {543                    this.NodeManager = manager;544                }545            }546            internal class Request : Event547            {548                public ActorId Client;549                public int Command;550                public Request(ActorId client, int cmd)551                    : base()552                {553                    this.Client = client;554                    this.Command = cmd;555                }556            }557            private class LocalEvent : Event558            {559            }560            private ActorId NodeManager;561            private int Counter;562            [Start]563            [OnEntry(nameof(InitOnEntry))]564            [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]565            [OnEventGotoState(typeof(LocalEvent), typeof(PumpRequest))]566            private class Init : State567            {568            }569            private void InitOnEntry()570            {571                this.Counter = 0;572            }573            private void SetupEvent(Event e)574            {575                this.NodeManager = (e as ConfigureEvent).NodeManager;576                this.RaiseEvent(new LocalEvent());577            }578            [OnEntry(nameof(PumpRequestOnEntry))]579            [OnEventGotoState(typeof(LocalEvent), typeof(PumpRequest))]580            private class PumpRequest : State581            {582            }583            private void PumpRequestOnEntry()584            {585                int command = this.RandomInteger(100) + 1;586                this.Counter++;587                this.SendEvent(this.NodeManager, new Request(this.Id, command));588                if (this.Counter is 1)589                {590                    this.RaiseHaltEvent();591                }592                else593                {594                    this.RaiseEvent(new LocalEvent());595                }596            }597        }598        private class LivenessMonitor : Monitor599        {600            public class ConfigureEvent : Event601            {602                public int NumberOfReplicas;603                public ConfigureEvent(int numOfReplicas)604                    : base()605                {606                    this.NumberOfReplicas = numOfReplicas;607                }608            }609            public class NotifyNodeCreated : Event610            {611                public int NodeId;612                public NotifyNodeCreated(int id)613                    : base()614                {615                    this.NodeId = id;616                }617            }618            public class NotifyNodeFail : Event619            {620                public int NodeId;621                public NotifyNodeFail(int id)622                    : base()623                {624                    this.NodeId = id;625                }626            }627            public class NotifyNodeUpdate : Event628            {629                public int NodeId;630                public int Data;631                public NotifyNodeUpdate(int id, int data)632                    : base()633                {634                    this.NodeId = id;635                    this.Data = data;636                }637            }638            private class LocalEvent : Event639            {640            }641            private Dictionary<int, int> DataMap;642            private int NumberOfReplicas;643            [Start]644            [OnEntry(nameof(InitOnEntry))]645            [OnEventDoAction(typeof(ConfigureEvent), nameof(SetupEvent))]646            [OnEventGotoState(typeof(LocalEvent), typeof(Repaired))]647            private class Init : State648            {649            }650            private void InitOnEntry()651            {652                this.DataMap = new Dictionary<int, int>();653            }654            private void SetupEvent(Event e)655            {656                this.NumberOfReplicas = (e as ConfigureEvent).NumberOfReplicas;657                this.RaiseEvent(new LocalEvent());658            }659            [Cold]660            [OnEventDoAction(typeof(NotifyNodeCreated), nameof(ProcessNodeCreated))]661            [OnEventDoAction(typeof(NotifyNodeFail), nameof(FailAndCheckRepair))]662            [OnEventDoAction(typeof(NotifyNodeUpdate), nameof(ProcessNodeUpdate))]663            [OnEventGotoState(typeof(LocalEvent), typeof(Repairing))]664            private class Repaired : State665            {666            }667            private void ProcessNodeCreated(Event e)668            {...

SharedRegisterTests.cs

Source:SharedRegisterTests.cs

...29            {30                this.Counter = counter;31            }32        }33        private class Setup : Event34        {35            public bool Flag;36            public Setup(bool flag)37            {38                this.Flag = flag;39            }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));165        }166        [Fact(Timeout = 5000)]167        public void TestSharedRegister4()168        {169            this.TestWithError(r =>170            {171                r.CreateActor(typeof(M2), new Setup(false));172            },173            configuration: this.GetConfiguration().WithTestingIterations(100),174            expectedError: "Reached test assertion.",175            replay: true);176        }177    }178}...

Setup

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.Interfaces;8using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Interfaces.Events;9using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Interfaces.States;10using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Interfaces.Tasks;11{12    {13        {14            public ActorId Client;15            public SetupEvent(ActorId client)16            {17                this.Client = client;18            }19        }20        {21            public int Value;22            public UpdateEvent(int value)23            {24                this.Value = value;25            }26        }27        {28            public int Value;29            public GetEvent(int value)30            {31                this.Value = value;32            }33        }34        private ActorId Client;35        private int Value;36        [OnEntry(nameof(Setup))]37        [OnEventDoAction(typeof(UpdateEvent), nameof(UpdateValue))]38        [OnEventDoAction(typeof(GetEvent), nameof(GetValue))]39        private class Init : MachineState { }40        private void Setup(Event e)41        {42            var setup = e as SetupEvent;43            this.Client = setup.Client;44            this.Value = 0;45        }46        private void UpdateValue()47        {48            this.Value++;49        }50        private void GetValue()51        {52            this.SendEvent(this.Client, new GetValueResponseEvent(this.Value));53        }54    }55}56using System;57using System.Threading.Tasks;58using Microsoft.Coyote;59using Microsoft.Coyote.Actors;60using Microsoft.Coyote.Actors.BugFinding.Tests;61using Microsoft.Coyote.Actors.BugFinding.Tests.Update;62using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Interfaces;63using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Interfaces.Events;64using Microsoft.Coyote.Actors.BugFinding.Tests.Update.Interfaces.States;

Setup

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Testing;4using System;5using System.Threading.Tasks;6{7    {8        static async Task Main(string[] args)9        {10            var configuration = Configuration.Create();11            configuration.SchedulingIterations = 100;12            configuration.SchedulingStrategy = SchedulingStrategy.DFS;13            configuration.SchedulingRandomSeed = 0;14            configuration.Verbose = 1;15            configuration.TestingIterations = 1;16            configuration.MaxFairSchedulingSteps = 1000;17            configuration.MaxUnfairSchedulingSteps = 1000;18            configuration.MaxStepsFromFairSchedule = 1000;19            configuration.MaxFairSchedulingSteps = 1000;20            configuration.MaxUnfairSchedulingSteps = 1000;21            configuration.MaxStepsFromFairSchedule = 1000;22            configuration.MaxFairSchedulingSteps = 1000;23            configuration.MaxUnfairSchedulingSteps = 1000;24            configuration.MaxStepsFromFairSchedule = 1000;25            configuration.MaxFairSchedulingSteps = 1000;26            configuration.MaxUnfairSchedulingSteps = 1000;27            configuration.MaxStepsFromFairSchedule = 1000;28            configuration.MaxFairSchedulingSteps = 1000;29            configuration.MaxUnfairSchedulingSteps = 1000;30            configuration.MaxStepsFromFairSchedule = 1000;31            configuration.MaxFairSchedulingSteps = 1000;32            configuration.MaxUnfairSchedulingSteps = 1000;33            configuration.MaxStepsFromFairSchedule = 1000;34            configuration.MaxFairSchedulingSteps = 1000;35            configuration.MaxUnfairSchedulingSteps = 1000;36            configuration.MaxStepsFromFairSchedule = 1000;37            configuration.MaxFairSchedulingSteps = 1000;38            configuration.MaxUnfairSchedulingSteps = 1000;39            configuration.MaxStepsFromFairSchedule = 1000;40            configuration.MaxFairSchedulingSteps = 1000;41            configuration.MaxUnfairSchedulingSteps = 1000;42            configuration.MaxStepsFromFairSchedule = 1000;43            configuration.MaxFairSchedulingSteps = 1000;44            configuration.MaxUnfairSchedulingSteps = 1000;45            configuration.MaxStepsFromFairSchedule = 1000;46            configuration.MaxFairSchedulingSteps = 1000;

Setup

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.BugFinding.Tests;4using System.Threading.Tasks;5using System;6using System.Collections.Generic;

Setup

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding.Tests;5using Microsoft.Coyote.Actors.BugFinding;6using Microsoft.Coyote.Specifications;7using Microsoft.Coyote;8using Microsoft.Coyote.TestingServices;9using Microsoft.Coyote.TestingServices.Coverage;10using Microsoft.Coyote.TestingServices.SchedulingStrategies;11using Microsoft.Coyote.TestingServices.Runtime;12using Microsoft.Coyote.TestingServices.Runtime.Loggers;13using Microsoft.Coyote.TestingServices.Runtime.Loggers.Csv;14using Microsoft.Coyote.TestingServices.Runtime.Loggers.Json;15using Microsoft.Coyote.TestingServices.Runtime.Loggers.Text;16using Microsoft.Coyote.TestingServices.Runtime.Loggers.Xml;17using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html;18using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport;19using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Models;20using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views;21using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage;22using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views;23using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models;24using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models.Coverage;25using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models.Coverage.Views;26using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models.Coverage.Views.Models;27using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models.Coverage.Views.Models.Coverage;28using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models.Coverage.Views.Models.Coverage.Views;29using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models.Coverage.Views.Models.Coverage.Views.Models;30using Microsoft.Coyote.TestingServices.Runtime.Loggers.Html.HtmlReport.Views.Coverage.Views.Models.Coverage.Views.Models.Coverage.Views.Models.Coverage;

Setup

Using AI Code Generation

1using System;2using Microsoft.Coyote.Actors;3{4    {5        static void Main(string[] args)6        {7            var actor = Actor.CreateFromTask(typeof(Update), () => Update.Setup());8            actor.SendEvent(new Update.UpdateEvent());9            Console.WriteLine("Message sent");10        }11    }12}13using System;14using Microsoft.Coyote.Actors;15{16    {17        static void Main(string[] args)18        {19            var actor = Actor.CreateFromTask(typeof(Update), () => Update.Setup());20            actor.SendEvent(new Update.UpdateEvent());21            Console.WriteLine("Message sent");22        }23    }24}25using System;26using Microsoft.Coyote.Actors;27{28    {29        static void Main(string[] args)30        {31            var actor = Actor.CreateFromTask(typeof(Update), () => Update.Setup());32            actor.SendEvent(new Update.UpdateEvent());33            Console.WriteLine("Message sent");34        }35    }36}37using System;38using Microsoft.Coyote.Actors;39{40    {41        static void Main(string[] args)42        {43            var actor = Actor.CreateFromTask(typeof(Update), () => Update.Setup());44            actor.SendEvent(new Update.UpdateEvent());45            Console.WriteLine("Message sent");46        }47    }48}

Setup

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2{3    {4        public static void Main()5        {6            Setup();7        }8    }9}

Setup

Using AI Code Generation

1var m = new Update();2m.Setup(10);3var m = new Update();4m.Setup(10);5var m = new Update();6m.Setup(10);7var m = new Update();8m.Setup(10);9var m = new Update();10m.Setup(10);11var m = new Update();12m.Setup(10);13var m = new Update();14m.Setup(10);15var m = new Update();16m.Setup(10);

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