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How to use FindPredecessor method of Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode class

Best Coyote code snippet using Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode.FindPredecessor

ChordTests.cs

Source:ChordTests.cs

...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))...

FindPredecessor

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.Actors;7using Microsoft.Coyote.Actors.BugFinding.Tests;8using Microsoft.Coyote.Actors.BugFinding;9{10    {11        static void Main(string[] args)12        {13            var configuration = Configuration.Create();14            configuration.MaxSchedulingSteps = 1000;15            configuration.MaxFairSchedulingSteps = 1000;16            configuration.MaxStepsFromBugFinding = 1000;17            configuration.MaxFairStepsFromBugFinding = 1000;18            configuration.MaxUnfairSchedulingSteps = 1000;19            var runtime = RuntimeFactory.Create(configuration);20            runtime.CreateActor(typeof(TerminateNode));21            runtime.Wait();22        }23    }24}25using System;26using System.Collections.Generic;27using System.Linq;28using System.Text;29using System.Threading.Tasks;30using Microsoft.Coyote.Actors;31using Microsoft.Coyote.Actors.BugFinding.Tests;32using Microsoft.Coyote.Actors.BugFinding;33{34    {35        [OnEventDoAction(typeof(UnitEvent), nameof(Init))]36        class InitState : State { }37        void Init()38        {39            var node = this.CreateActor(typeof(Node));

FindPredecessor

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.TerminateNode;7{8    {9        static void Main(string[] args)10        {11            var configuration = Configuration.Create();12            configuration.MaxSchedulingSteps = 100000000;13            configuration.MaxFairSchedulingSteps = 100000000;14            configuration.SuppressTrace = true;15            configuration.SuppressExceptions = false;16            configuration.RandomSchedulingSeed = 0;17            configuration.EnableCycleDetection = true;18            configuration.EnableDataRaceDetection = true;19            configuration.EnableDeadlockDetection = true;20            configuration.EnableLivelockDetection = true;21            configuration.EnableOperationCanceledException = true;22            configuration.EnableObjectDisposedException = true;23            configuration.EnableActorShadowing = true;24            configuration.EnableActorMonitors = true;25            configuration.EnableHotStateDetection = true;26            configuration.EnableHotStateProbability = 0.5;27            configuration.EnableHotStateDistance = 5;28            configuration.EnableHotStateDistanceProbability = 0.5;29            configuration.EnableBuggyWaitOperations = true;30            configuration.EnableRandomDelayInjection = true;31            configuration.EnableRandomDelayProbability = 0.5;32            configuration.EnableRandomDelayMax = 100;33            configuration.EnableRandomDelayMin = 0;34            configuration.EnableRandomExecution = true;35            configuration.EnableRandomExecutionProbability = 0.5;36            configuration.EnableRandomExecutionMaxSteps = 100;37            configuration.EnableRandomExecutionMaxFairSteps = 100;38            configuration.EnableRandomExecutionMaxStepsPerIteration = 100;39            configuration.EnableRandomExecutionMaxFairStepsPerIteration = 100;40            configuration.EnableRandomExecutionMaxIterations = 100;41            configuration.EnableRandomExecutionMaxFairIterations = 100;42            configuration.EnableRandomExecutionMaxUnfairSchedulingSteps = 100000000;43            configuration.EnableRandomExecutionMaxUnfairFairSchedulingSteps = 100000000;44            configuration.EnableRandomExecutionMaxUnfairStepsPerIteration = 100;45            configuration.EnableRandomExecutionMaxUnfairFairStepsPerIteration = 100;46            configuration.EnableRandomExecutionMaxUnfairIterations = 100;47            configuration.EnableRandomExecutionMaxUnfairFairIterations = 100;

FindPredecessor

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding;5using Microsoft.Coyote.Actors.BugFinding.Tests;6using Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode;7using Microsoft.Coyote.Specifications;8using Microsoft.Coyote.Tests.Common;9using Microsoft.Coyote.Tests.Common.Actors;10using Microsoft.Coyote.Tests.Common.Actors.Actors;11using Microsoft.Coyote.Tests.Common.Actors.BugFinding;12{13    {14        public static async Task Main(string[] args)15        {16            using (var runtime = RuntimeFactory.Create())17            {18                var monitor = new ActorMonitor();19                var id = ActorId.CreateRandom();20                var actor = runtime.CreateActor(typeof(TerminateNode), id, monitor, true);21                runtime.SendEvent(id, new FindPredecessor());22                await runtime.WaitAsync(id);23                Specification.Assert(!monitor.IsCrashed, "Actor crashed.");24            }25        }26    }27    {28        [OnEventDoAction(typeof(ActorCrashedEvent), nameof(CheckCrash))]29        {30        }31        private void CheckCrash(Event e)32        {33            this.IsCrashed = true;34        }35        internal bool IsCrashed { get; private set; }36    }37}38using System;39using System.Threading.Tasks;40using Microsoft.Coyote.Actors;41using Microsoft.Coyote.Actors.BugFinding;42using Microsoft.Coyote.Actors.BugFinding.Tests;43using Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode;44using Microsoft.Coyote.Specifications;45using Microsoft.Coyote.Tests.Common;46using Microsoft.Coyote.Tests.Common.Actors;47using Microsoft.Coyote.Tests.Common.Actors.Actors;

FindPredecessor

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Actors.BugFinding;6using Microsoft.Coyote.Actors.BugFinding.Tests;7{8    {9        static void Main(string[] args)10        {11            var config = Configuration.Create();12            config.MaxSchedulingSteps = 1000;13            config.TestingIterations = 1000;14            config.Verbose = 1;15            config.SchedulingStrategy = SchedulingStrategy.DFS;16            config.EnableCycleDetection = true;17            config.EnableDataRaceDetection = true;18            config.EnableDeadlockDetection = true;19            config.EnableHotStateDetection = true;20            config.EnableLivelockDetection = true;21            config.EnableOperationStackTraces = true;22            config.EnablePhaseTimers = true;23            config.EnableStateGraph = true;24            config.EnableStateGraphScheduling = true;25            config.EnableStateGraphSchedulingHeuristics = true;

FindPredecessor

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.BugFinding.Tests;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var runtime = await RuntimeFactory.CreateAsync();10            var actorId = await runtime.CreateActorAsync(typeof(TerminateNode));11            var predecessor = await runtime.InvokeActorMethodAsync<ActorId>(actorId, "FindPredecessor");12            Console.WriteLine("Predecessor: " + predecessor);13            Console.ReadLine();14        }15    }16}17using Microsoft.Coyote.Actors;18using Microsoft.Coyote.Actors.BugFinding.Tests;19using System;20using System.Threading.Tasks;21{22    {23        static async Task Main(string[] args)24        {25            var runtime = await RuntimeFactory.CreateAsync();26            var actorId = await runtime.CreateActorAsync(typeof(TerminateNode));27            var predecessor = await runtime.InvokeActorMethodAsync<ActorId>(actorId, "FindPredecessor");28            Console.WriteLine("Predecessor: " + predecessor);29            Console.ReadLine();30        }31    }32}33using Microsoft.Coyote.Actors;34using Microsoft.Coyote.Actors.BugFinding.Tests;35using System;36using System.Threading.Tasks;37{38    {39        static async Task Main(string[] args)40        {41            var runtime = await RuntimeFactory.CreateAsync();42            var actorId = await runtime.CreateActorAsync(typeof(TerminateNode));43            var predecessor = await runtime.InvokeActorMethodAsync<ActorId>(actorId, "FindPredecessor");44            Console.WriteLine("Predecessor: " + predecessor);45            Console.ReadLine();46        }47    }48}49using Microsoft.Coyote.Actors;50using Microsoft.Coyote.Actors.BugFinding.Tests;51using System;52using System.Threading.Tasks;53{

FindPredecessor

Using AI Code Generation

1using Microsoft.Coyote.Actors.BugFinding.Tests;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.BugFinding.Tests;4using Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode;5using Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode;6using System;

FindPredecessor

Using AI Code Generation

1{2    {3        public static void Main(string[] args)4        {5            var configuration = Configuration.Create().WithTestingIterations(1000);6            var test = new Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode();7            test.TestFindPredecessor(configuration);8        }9    }10}11   at Microsoft.Coyote.Actors.BugFinding.Tests.TerminateNode.TestFindPredecessor(Configuration configuration) in C:\Users\user\Documents\GitHub\coyote\Source\Examples\BugFinding\TerminateNode.cs:line 5912   at FindPredecessor.Main(String[] args) in C:\Users\user\Documents\GitHub\coyote\Source\Examples\BugFinding\2.cs:line 1013this.TestFindPredecessor(configuration);14this.TestFindPredecessor(configuration.WithRandomScheduling());

FindPredecessor

Using AI Code Generation

1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.BugFinding.Tests;3{4    {5        static void Main(string[] args)6        {7            var runtime = RuntimeFactory.Create();8            var actor = runtime.CreateActor(typeof(TerminateNode));9            var result = runtime.SendEventAndExecuteTask<int>(actor, new FindPredecessor(5));10            System.Console.WriteLine(result);11        }12    }13}14using Microsoft.Coyote.Actors;15using Microsoft.Coyote.Actors.BugFinding.Tests;16{17    {18        static void Main(string[] args)19        {20            var runtime = RuntimeFactory.Create();21            var actor = runtime.CreateActor(typeof(TerminateNode));22            var result = runtime.SendEventAndExecuteTask<int>(actor, new FindSuccessor(5));23            System.Console.WriteLine(result);24        }25    }26}27using Microsoft.Coyote.Actors;28using Microsoft.Coyote.Actors.BugFinding.Tests;29{30    {31        static void Main(string[] args)32        {33            var runtime = RuntimeFactory.Create();34            var actor = runtime.CreateActor(typeof(TerminateNode));35            var result = runtime.SendEventAndExecuteTask<int>(actor, new AddNode(9));36            System.Console.WriteLine(result);37        }38    }39}40using Microsoft.Coyote.Actors;41using Microsoft.Coyote.Actors.BugFinding.Tests;42{43    {44        static void Main(string[] args)45        {46            var runtime = RuntimeFactory.Create();47            var actor = runtime.CreateActor(typeof(Ter

FindPredecessor

Using AI Code Generation

1using System;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.BugFinding.Tests;4using Microsoft.Coyote.Actors.BugFinding;5using Microsoft.Coyote.Actors.BugFinding.Strategies;6using System.Collections.Generic;7{8    {9        private ActorId head;10        private ActorId tail;11        private Dictionary<ActorId, ActorId> map;12        [OnEventDoAction(typeof(InitEvent), nameof(Init))]13        [OnEventDoAction(typeof(FindPredecessorEvent), nameof(FindPredecessor))]14        [OnEventDoAction(typeof(DeleteNodeEvent), nameof(DeleteNode))]15        private class Init : State { }16        private void Init()17        {18            this.map = new Dictionary<ActorId, ActorId>();19            this.head = this.CreateActor(typeof(Node), new NodeEvent());20            this.map.Add(this.head, null);21            this.tail = this.head;22            this.SendEvent(this.head, new SetNextEvent(this.tail));23        }24        private void FindPredecessor()25        {26            ActorId pred;27            ActorId curr = this.head;28            ActorId succ = this.map[curr];29            while (succ != this.tail)30            {31                pred = curr;32                curr = succ;33                succ = this.map[curr];34            }35            this.SendEvent(this.Id, new FindPredecessorResponseEvent(pred));36        }37        private void DeleteNode()38        {39            this.SendEvent(this.head, new DeleteNodeEvent());40        }41    }42}43using System;44using Microsoft.Coyote.Actors;45using Microsoft.Coyote.Actors.BugFinding.Tests;46using Microsoft.Coyote.Actors.BugFinding;47using Microsoft.Coyote.Actors.BugFinding.Strategies;48using System.Collections.Generic;49{50    {51        private ActorId head;52        private ActorId tail;53        private Dictionary<ActorId, ActorId> map;

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