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 Github

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...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)...

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ReplicatingStorageTests.cs

Source:ReplicatingStorageTests.cs Github

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...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 {...

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SharedRegisterTests.cs

Source:SharedRegisterTests.cs Github

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...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}...

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Setup

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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;

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Setup

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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;

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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;

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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;

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Setup

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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}

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

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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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