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How to use Ping class of Microsoft.Coyote.Actors.BugFinding.Tests package

Best Coyote code snippet using Microsoft.Coyote.Actors.BugFinding.Tests.Ping

ChainReplicationTests.cs

Source:ChainReplicationTests.cs

...134                {135                    this.Servers = servers;136                }137            }138            internal class Ping : Event139            {140                public ActorId Target;141                public Ping(ActorId target)142                    : base()143                {144                    this.Target = target;145                }146            }147            internal class Pong : Event148            {149            }150            private class InjectFailure : Event151            {152            }153            private class Local : Event154            {155            }156            private ActorId Main;157            private List<ActorId> Servers;158            private int CheckNodeIdx;159            private int Failures;160            [Start]161            [OnEntry(nameof(InitOnEntry))]162            [OnEventGotoState(typeof(Local), typeof(StartMonitoring))]163            private class Init : State164            {165            }166            private void InitOnEntry(Event e)167            {168                this.Main = (e as SetupEvent).Main;169                this.Servers = (e as SetupEvent).Servers;170                this.CheckNodeIdx = 0;171                this.Failures = 100;172                this.RaiseEvent(new Local());173            }174            [OnEntry(nameof(StartMonitoringOnEntry))]175            [OnEventGotoState(typeof(Pong), typeof(StartMonitoring), nameof(HandlePong))]176            [OnEventGotoState(typeof(InjectFailure), typeof(HandleFailure))]177            private class StartMonitoring : State178            {179            }180            private void StartMonitoringOnEntry()181            {182                if (this.Failures < 1)183                {184                    this.RaiseHaltEvent();185                }186                else187                {188                    this.SendEvent(this.Servers[this.CheckNodeIdx], new Ping(this.Id));189                    if (this.Servers.Count > 1)190                    {191                        if (this.RandomBoolean())192                        {193                            this.SendEvent(this.Id, new InjectFailure());194                        }195                        else196                        {197                            this.SendEvent(this.Id, new Pong());198                        }199                    }200                    else201                    {202                        this.SendEvent(this.Id, new Pong());203                    }204                    this.Failures--;205                }206            }207            private void HandlePong()208            {209                this.CheckNodeIdx++;210                if (this.CheckNodeIdx == this.Servers.Count)211                {212                    this.CheckNodeIdx = 0;213                }214            }215            [OnEntry(nameof(HandleFailureOnEntry))]216            [OnEventGotoState(typeof(FailureCorrected), typeof(StartMonitoring), nameof(ProcessFailureCorrected))]217            [IgnoreEvents(typeof(Pong), typeof(InjectFailure))]218            private class HandleFailure : State219            {220            }221            private void HandleFailureOnEntry()222            {223                this.SendEvent(this.Main, new FailureDetected(this.Servers[this.CheckNodeIdx]));224            }225            private void ProcessFailureCorrected(Event e)226            {227                this.CheckNodeIdx = 0;228                this.Servers = (e as FailureCorrected).Servers;229            }230        }231        private class ChainReplicationMaster : StateMachine232        {233            internal class SetupEvent : Event234            {235                public List<ActorId> Servers;236                public List<ActorId> Clients;237                public SetupEvent(List<ActorId> servers, List<ActorId> clients)238                    : base()239                {240                    this.Servers = servers;241                    this.Clients = clients;242                }243            }244            internal class BecomeHead : Event245            {246                public ActorId Target;247                public BecomeHead(ActorId target)248                    : base()249                {250                    this.Target = target;251                }252            }253            internal class BecomeTail : Event254            {255                public ActorId Target;256                public BecomeTail(ActorId target)257                    : base()258                {259                    this.Target = target;260                }261            }262            internal class Success : Event263            {264            }265            internal class HeadChanged : Event266            {267            }268            internal class TailChanged : Event269            {270            }271            private class HeadFailed : Event272            {273            }274            private class TailFailed : Event275            {276            }277            private class ServerFailed : Event278            {279            }280            private class FixSuccessor : Event281            {282            }283            private class FixPredecessor : Event284            {285            }286            private class Local : Event287            {288            }289            private class Done : Event290            {291            }292            private List<ActorId> Servers;293            private List<ActorId> Clients;294            private ActorId FailureDetector;295            private ActorId Head;296            private ActorId Tail;297            private int FaultyNodeIndex;298            private int LastUpdateReceivedSucc;299            private int LastAckSent;300            [Start]301            [OnEntry(nameof(InitOnEntry))]302            [OnEventGotoState(typeof(Local), typeof(WaitForFailure))]303            private class Init : State304            {305            }306            private void InitOnEntry(Event e)307            {308                this.Servers = (e as SetupEvent).Servers;309                this.Clients = (e as SetupEvent).Clients;310                this.FailureDetector = this.CreateActor(311                    typeof(FailureDetector),312                    new FailureDetector.SetupEvent(this.Id, this.Servers));313                this.Head = this.Servers[0];314                this.Tail = this.Servers[this.Servers.Count - 1];315                this.RaiseEvent(new Local());316            }317            [OnEventGotoState(typeof(HeadFailed), typeof(CorrectHeadFailure))]318            [OnEventGotoState(typeof(TailFailed), typeof(CorrectTailFailure))]319            [OnEventGotoState(typeof(ServerFailed), typeof(CorrectServerFailure))]320            [OnEventDoAction(typeof(FailureDetector.FailureDetected), nameof(CheckWhichNodeFailed))]321            private class WaitForFailure : State322            {323            }324            private void CheckWhichNodeFailed(Event e)325            {326                this.Assert(this.Servers.Count > 1, "All nodes have failed.");327                var failedServer = (e as FailureDetector.FailureDetected).Server;328                if (this.Head.Equals(failedServer))329                {330                    this.RaiseEvent(new HeadFailed());331                }332                else if (this.Tail.Equals(failedServer))333                {334                    this.RaiseEvent(new TailFailed());335                }336                else337                {338                    for (int i = 0; i < this.Servers.Count - 1; i++)339                    {340                        if (this.Servers[i].Equals(failedServer))341                        {342                            this.FaultyNodeIndex = i;343                        }344                    }345                    this.RaiseEvent(new ServerFailed());346                }347            }348            [OnEntry(nameof(CorrectHeadFailureOnEntry))]349            [OnEventGotoState(typeof(Done), typeof(WaitForFailure), nameof(UpdateFailureDetector))]350            [OnEventDoAction(typeof(HeadChanged), nameof(UpdateClients))]351            private class CorrectHeadFailure : State352            {353            }354            private void CorrectHeadFailureOnEntry()355            {356                this.Servers.RemoveAt(0);357                this.Monitor<InvariantMonitor>(358                    new InvariantMonitor.UpdateServers(this.Servers));359                this.Monitor<ServerResponseSeqMonitor>(360                    new ServerResponseSeqMonitor.UpdateServers(this.Servers));361                this.Head = this.Servers[0];362                this.SendEvent(this.Head, new BecomeHead(this.Id));363            }364            private void UpdateClients()365            {366                for (int i = 0; i < this.Clients.Count; i++)367                {368                    this.SendEvent(this.Clients[i], new Client.UpdateHeadTail(this.Head, this.Tail));369                }370                this.RaiseEvent(new Done());371            }372            private void UpdateFailureDetector()373            {374                this.SendEvent(this.FailureDetector, new FailureDetector.FailureCorrected(this.Servers));375            }376            [OnEntry(nameof(CorrectTailFailureOnEntry))]377            [OnEventGotoState(typeof(Done), typeof(WaitForFailure), nameof(UpdateFailureDetector))]378            [OnEventDoAction(typeof(TailChanged), nameof(UpdateClients))]379            private class CorrectTailFailure : State380            {381            }382            private void CorrectTailFailureOnEntry()383            {384                this.Servers.RemoveAt(this.Servers.Count - 1);385                this.Monitor<InvariantMonitor>(386                    new InvariantMonitor.UpdateServers(this.Servers));387                this.Monitor<ServerResponseSeqMonitor>(388                    new ServerResponseSeqMonitor.UpdateServers(this.Servers));389                this.Tail = this.Servers[this.Servers.Count - 1];390                this.SendEvent(this.Tail, new BecomeTail(this.Id));391            }392            [OnEntry(nameof(CorrectServerFailureOnEntry))]393            [OnEventGotoState(typeof(Done), typeof(WaitForFailure), nameof(UpdateFailureDetector))]394            [OnEventDoAction(typeof(FixSuccessor), nameof(UpdateClients))]395            [OnEventDoAction(typeof(FixPredecessor), nameof(ProcessFixPredecessor))]396            [OnEventDoAction(typeof(ChainReplicationServer.NewSuccInfo), nameof(SetLastUpdate))]397            [OnEventDoAction(typeof(Success), nameof(ProcessSuccess))]398            private class CorrectServerFailure : State399            {400            }401            private void CorrectServerFailureOnEntry()402            {403                this.Servers.RemoveAt(this.FaultyNodeIndex);404                this.Monitor<InvariantMonitor>(405                    new InvariantMonitor.UpdateServers(this.Servers));406                this.Monitor<ServerResponseSeqMonitor>(407                    new ServerResponseSeqMonitor.UpdateServers(this.Servers));408                this.RaiseEvent(new FixSuccessor());409            }410            private void ProcessFixPredecessor()411            {412                this.SendEvent(this.Servers[this.FaultyNodeIndex - 1], new ChainReplicationServer.NewSuccessor(413                    this.Id, this.Servers[this.FaultyNodeIndex], this.LastAckSent, this.LastUpdateReceivedSucc));414            }415            private void SetLastUpdate(Event e)416            {417                this.LastUpdateReceivedSucc = (e as418                    ChainReplicationServer.NewSuccInfo).LastUpdateReceivedSucc;419                this.LastAckSent = (e as420                    ChainReplicationServer.NewSuccInfo).LastAckSent;421                this.RaiseEvent(new FixPredecessor());422            }423            private void ProcessSuccess() => this.RaiseEvent(new Done());424        }425        private class ChainReplicationServer : StateMachine426        {427            internal class SetupEvent : Event428            {429                public int Id;430                public bool IsHead;431                public bool IsTail;432                public SetupEvent(int id, bool isHead, bool isTail)433                    : base()434                {435                    this.Id = id;436                    this.IsHead = isHead;437                    this.IsTail = isTail;438                }439            }440            internal class PredSucc : Event441            {442                public ActorId Predecessor;443                public ActorId Successor;444                public PredSucc(ActorId pred, ActorId succ)445                    : base()446                {447                    this.Predecessor = pred;448                    this.Successor = succ;449                }450            }451            internal class ForwardUpdate : Event452            {453                public ActorId Predecessor;454                public int NextSeqId;455                public ActorId Client;456                public int Key;457                public int Value;458                public ForwardUpdate(ActorId pred, int nextSeqId, ActorId client, int key, int val)459                    : base()460                {461                    this.Predecessor = pred;462                    this.NextSeqId = nextSeqId;463                    this.Client = client;464                    this.Key = key;465                    this.Value = val;466                }467            }468            internal class BackwardAck : Event469            {470                public int NextSeqId;471                public BackwardAck(int nextSeqId)472                    : base()473                {474                    this.NextSeqId = nextSeqId;475                }476            }477            internal class NewPredecessor : Event478            {479                public ActorId Main;480                public ActorId Predecessor;481                public NewPredecessor(ActorId main, ActorId pred)482                    : base()483                {484                    this.Main = main;485                    this.Predecessor = pred;486                }487            }488            internal class NewSuccessor : Event489            {490                public ActorId Main;491                public ActorId Successor;492                public int LastUpdateReceivedSucc;493                public int LastAckSent;494                public NewSuccessor(ActorId main, ActorId succ,495                    int lastUpdateReceivedSucc, int lastAckSent)496                    : base()497                {498                    this.Main = main;499                    this.Successor = succ;500                    this.LastUpdateReceivedSucc = lastUpdateReceivedSucc;501                    this.LastAckSent = lastAckSent;502                }503            }504            internal class NewSuccInfo : Event505            {506                public int LastUpdateReceivedSucc;507                public int LastAckSent;508                public NewSuccInfo(int lastUpdateReceivedSucc, int lastAckSent)509                    : base()510                {511                    this.LastUpdateReceivedSucc = lastUpdateReceivedSucc;512                    this.LastAckSent = lastAckSent;513                }514            }515            internal class ResponseToQuery : Event516            {517                public int Value;518                public ResponseToQuery(int val)519                    : base()520                {521                    this.Value = val;522                }523            }524            internal class ResponseToUpdate : Event525            {526            }527            private class Local : Event528            {529            }530            private int ServerId;531            private bool IsHead;532            private bool IsTail;533            private ActorId Predecessor;534            private ActorId Successor;535            private Dictionary<int, int> KeyValueStore;536            private List<int> History;537            private List<SentLog> SentHistory;538            private int NextSeqId;539            [Start]540            [OnEntry(nameof(InitOnEntry))]541            [OnEventGotoState(typeof(Local), typeof(WaitForRequest))]542            [OnEventDoAction(typeof(PredSucc), nameof(SetupPredSucc))]543            [DeferEvents(typeof(Client.Update), typeof(Client.Query),544                typeof(BackwardAck), typeof(ForwardUpdate))]545            private class Init : State546            {547            }548            private void InitOnEntry(Event e)549            {550                this.ServerId = (e as SetupEvent).Id;551                this.IsHead = (e as SetupEvent).IsHead;552                this.IsTail = (e as SetupEvent).IsTail;553                this.KeyValueStore = new Dictionary<int, int>();554                this.History = new List<int>();555                this.SentHistory = new List<SentLog>();556                this.NextSeqId = 0;557            }558            private void SetupPredSucc(Event e)559            {560                this.Predecessor = (e as PredSucc).Predecessor;561                this.Successor = (e as PredSucc).Successor;562                this.RaiseEvent(new Local());563            }564            [OnEventGotoState(typeof(Client.Update), typeof(ProcessUpdate), nameof(ProcessUpdateAction))]565            [OnEventGotoState(typeof(ForwardUpdate), typeof(ProcessFwdUpdate))]566            [OnEventGotoState(typeof(BackwardAck), typeof(ProcessBckAck))]567            [OnEventDoAction(typeof(Client.Query), nameof(ProcessQueryAction))]568            [OnEventDoAction(typeof(NewPredecessor), nameof(UpdatePredecessor))]569            [OnEventDoAction(typeof(NewSuccessor), nameof(UpdateSuccessor))]570            [OnEventDoAction(typeof(ChainReplicationMaster.BecomeHead), nameof(ProcessBecomeHead))]571            [OnEventDoAction(typeof(ChainReplicationMaster.BecomeTail), nameof(ProcessBecomeTail))]572            [OnEventDoAction(typeof(FailureDetector.Ping), nameof(SendPong))]573            private class WaitForRequest : State574            {575            }576            private void ProcessUpdateAction()577            {578                this.NextSeqId++;579                this.Assert(this.IsHead, "Server {0} is not head", this.ServerId);580            }581            private void ProcessQueryAction(Event e)582            {583                var client = (e as Client.Query).Client;584                var key = (e as Client.Query).Key;585                this.Assert(this.IsTail, "Server {0} is not tail", this.Id);586                if (this.KeyValueStore.ContainsKey(key))587                {588                    this.Monitor<ServerResponseSeqMonitor>(new ServerResponseSeqMonitor.ResponseToQuery(589                        this.Id, key, this.KeyValueStore[key]));590                    this.SendEvent(client, new ResponseToQuery(this.KeyValueStore[key]));591                }592                else593                {594                    this.SendEvent(client, new ResponseToQuery(-1));595                }596            }597            private void ProcessBecomeHead(Event e)598            {599                this.IsHead = true;600                this.Predecessor = this.Id;601                var target = (e as ChainReplicationMaster.BecomeHead).Target;602                this.SendEvent(target, new ChainReplicationMaster.HeadChanged());603            }604            private void ProcessBecomeTail(Event e)605            {606                this.IsTail = true;607                this.Successor = this.Id;608                for (int i = 0; i < this.SentHistory.Count; i++)609                {610                    this.Monitor<ServerResponseSeqMonitor>(new ServerResponseSeqMonitor.ResponseToUpdate(611                        this.Id, this.SentHistory[i].Key, this.SentHistory[i].Value));612                    this.SendEvent(this.SentHistory[i].Client, new ResponseToUpdate());613                    this.SendEvent(this.Predecessor, new BackwardAck(this.SentHistory[i].NextSeqId));614                }615                var target = (e as ChainReplicationMaster.BecomeTail).Target;616                this.SendEvent(target, new ChainReplicationMaster.TailChanged());617            }618            private void SendPong(Event e)619            {620                var target = (e as FailureDetector.Ping).Target;621                this.SendEvent(target, new FailureDetector.Pong());622            }623            private void UpdatePredecessor(Event e)624            {625                var main = (e as NewPredecessor).Main;626                this.Predecessor = (e as NewPredecessor).Predecessor;627                if (this.History.Count > 0)628                {629                    if (this.SentHistory.Count > 0)630                    {631                        this.SendEvent(main, new NewSuccInfo(632                            this.History[this.History.Count - 1],633                            this.SentHistory[0].NextSeqId));634                    }...

BasicTimerTests.cs

Source:BasicTimerTests.cs

...152            Assert.True(config.Count > 0, "Timer never fired?");153        }154        private class M3 : StateMachine155        {156            private TimerInfo PingTimer;157            private TimerInfo PongTimer;158            private TimerCountEvent Config;159            /// <summary>160            /// Start the PingTimer and start handling the timeout events from it.161            /// After handling 10 events, stop the timer and move to the Pong state.162            /// </summary>163            [Start]164            [OnEntry(nameof(DoPing))]165            [IgnoreEvents(typeof(TimerElapsedEvent))]166            private class Ping : State167            {168            }169            /// <summary>170            /// Start the PongTimer and start handling the timeout events from it.171            /// After handling 10 events, stop the timer and move to the Ping state.172            /// </summary>173            [OnEntry(nameof(DoPong))]174            [OnEventDoAction(typeof(TimerElapsedEvent), nameof(HandleTimeout))]175            private class Pong : State176            {177            }178            private void DoPing(Event e)179            {180                this.Config = (TimerCountEvent)e;181                this.Config.Count = 0;182                this.PingTimer = this.StartPeriodicTimer(TimeSpan.FromMilliseconds(5), TimeSpan.FromMilliseconds(5));183                this.StopTimer(this.PingTimer);184                this.RaiseGotoStateEvent<Pong>();185            }186            private void DoPong()187            {188                this.PongTimer = this.StartPeriodicTimer(TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(50));189            }190            private void HandleTimeout(Event e)191            {192                this.Config.Count++;193                var timeout = e as TimerElapsedEvent;194                this.Assert(timeout.Info == this.PongTimer);195            }196        }197        [Fact(Timeout = 10000)]...

ReceiveEventTests.cs

Source:ReceiveEventTests.cs

...62            {63                this.Id = id;64            }65        }66        private class Ping : Event67        {68        }69        private class Pong : Event70        {71        }72        [OnEventDoAction(typeof(SetupEvent), nameof(SetupEvent))]73        private class ClientActor : Actor74        {75            private ActorId Server;76            private int Counter;77            private async Task SetupEvent(Event e)78            {79                this.Server = (e as SetupEvent).Id;80                this.Counter = 0;81                while (this.Counter < 5)82                {83                    await this.ReceiveEventAsync(typeof(Ping));84                    this.SendPong();85                }86                this.RaiseHaltEvent();87            }88            private void SendPong()89            {90                this.Counter++;91                this.SendEvent(this.Server, new Pong());92            }93        }94        [OnEventDoAction(typeof(Pong), nameof(SendPing))]95        private class ServerActor1 : Actor96        {97            private ActorId Client;98            protected override Task OnInitializeAsync(Event initialEvent)99            {100                this.Client = this.CreateActor(typeof(ClientActor));101                this.SendEvent(this.Client, new SetupEvent(this.Id));102                this.SendPing();103                return Task.CompletedTask;104            }105            private void SendPing()106            {107                this.SendEvent(this.Client, new Ping());108            }109        }110        [Fact(Timeout = 5000)]111        public void TestExchangedReceiveEventInActor()112        {113            this.Test(r =>114            {115                r.CreateActor(typeof(ServerActor1));116            },117            configuration: this.GetConfiguration().WithTestingIterations(100));118        }119        [OnEventDoAction(typeof(Pong), nameof(IgnorePongEvent))]120        private class ServerActor2 : Actor121        {122            private ActorId Client;123            protected override Task OnInitializeAsync(Event initialEvent)124            {125                this.Client = this.CreateActor(typeof(ClientActor));126                this.SendEvent(this.Client, new SetupEvent(this.Id));127                this.SendPing();128                return Task.CompletedTask;129            }130            private void SendPing()131            {132                this.SendEvent(this.Client, new Ping());133            }134#pragma warning disable CA1822 // Mark members as static135            private void IgnorePongEvent()136#pragma warning restore CA1822 // Mark members as static137            {138            }139        }140        [Fact(Timeout = 5000)]141        public void TestOneActorReceiveEventFailure()142        {143            this.TestWithError(r =>144            {145                r.CreateActor(typeof(ServerActor2));146            },147            configuration: this.GetConfiguration().WithTestingIterations(100),148            expectedError: "Deadlock detected. ClientActor() is waiting to " +149                "receive an event, but no other controlled operations are enabled.",150            replay: true);151        }152        [Fact(Timeout = 5000)]153        public void TestTwoActorsReceiveEventFailure()154        {155            this.TestWithError(r =>156            {157                r.CreateActor(typeof(ServerActor2));158                r.CreateActor(typeof(ServerActor2));159            },160            configuration: this.GetConfiguration().WithTestingIterations(100),161            expectedError: "Deadlock detected. ClientActor() and ClientActor() are waiting " +162                "to receive an event, but no other controlled operations are enabled.",163            replay: true);164        }165        [Fact(Timeout = 5000)]166        public void TestThreeActorsReceiveEventFailure()167        {168            this.TestWithError(r =>169            {170                r.CreateActor(typeof(ServerActor2));171                r.CreateActor(typeof(ServerActor2));172                r.CreateActor(typeof(ServerActor2));173            },174            configuration: this.GetConfiguration().WithTestingIterations(100),175            expectedError: "Deadlock detected. ClientActor(), ClientActor() and " +176                "ClientActor() are waiting to receive an event, but no other " +177                "controlled operations are enabled.",178            replay: true);179        }180        private class ClientStateMachine : StateMachine181        {182            private ActorId Server;183            private int Counter;184            [Start]185            [OnEventDoAction(typeof(SetupEvent), nameof(SetupEvent))]186            [OnEventGotoState(typeof(UnitEvent), typeof(Active))]187            private class Init : State188            {189            }190            private void SetupEvent(Event e)191            {192                this.Server = (e as SetupEvent).Id;193                this.Counter = 0;194                this.RaiseEvent(UnitEvent.Instance);195            }196            [OnEntry(nameof(ActiveOnEntry))]197            private class Active : State198            {199            }200            private async Task ActiveOnEntry()201            {202                while (this.Counter < 5)203                {204                    await this.ReceiveEventAsync(typeof(Ping));205                    this.SendPong();206                }207                this.RaiseHaltEvent();208            }209            private void SendPong()210            {211                this.Counter++;212                this.SendEvent(this.Server, new Pong());213            }214        }215        private class ServerStateMachine1 : StateMachine216        {217            private ActorId Client;218            [Start]219            [OnEntry(nameof(InitOnEntry))]220            [OnEventGotoState(typeof(UnitEvent), typeof(Active))]221            private class Init : State222            {223            }224            private void InitOnEntry()225            {226                this.Client = this.CreateActor(typeof(ClientStateMachine));227                this.SendEvent(this.Client, new SetupEvent(this.Id));228                this.RaiseEvent(UnitEvent.Instance);229            }230            [OnEntry(nameof(ActiveOnEntry))]231            [OnEventDoAction(typeof(Pong), nameof(SendPing))]232            private class Active : State233            {234            }235            private void ActiveOnEntry()236            {237                this.SendPing();238            }239            private void SendPing()240            {241                this.SendEvent(this.Client, new Ping());242            }243        }244        [Fact(Timeout = 5000)]245        public void TestExchangedReceiveEventInStateMachine()246        {247            this.Test(r =>248            {249                r.CreateActor(typeof(ServerStateMachine1));250            },251            configuration: this.GetConfiguration().WithTestingIterations(100));252        }253        private class ServerStateMachine2 : StateMachine254        {255            private ActorId Client;256            [Start]257            [OnEntry(nameof(InitOnEntry))]258            [OnEventGotoState(typeof(UnitEvent), typeof(Active))]259            private class Init : State260            {261            }262            private void InitOnEntry()263            {264                this.Client = this.CreateActor(typeof(ClientStateMachine));265                this.SendEvent(this.Client, new SetupEvent(this.Id));266                this.RaiseEvent(UnitEvent.Instance);267            }268            [OnEntry(nameof(ActiveOnEntry))]269            [IgnoreEvents(typeof(Pong))]270            private class Active : State271            {272            }273            private void ActiveOnEntry()274            {275                this.SendEvent(this.Client, new Ping());276            }277        }278        [Fact(Timeout = 5000)]279        public void TestOneStateMachineReceiveEventFailure()280        {281            this.TestWithError(r =>282            {283                r.CreateActor(typeof(ServerStateMachine2));284            },285            configuration: this.GetConfiguration().WithTestingIterations(100),286            expectedError: "Deadlock detected. ClientStateMachine() is waiting to " +287                "receive an event, but no other controlled operations are enabled.",288            replay: true);289        }...

Ping

Using AI Code Generation

1using System;2using System.Net.NetworkInformation;3using System.Threading.Tasks;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Actors.BugFinding.Tests;6using Microsoft.Coyote.Actors.BugFinding.Tests.PingPong;7{8    {9        public static void Main(string[] args)10        {11            Ping ping = new Ping();12            PingReply reply = ping.Send("www.contoso.com");13            if (reply.Status == IPStatus.Success)14            {15                Console.WriteLine("Address: {0}", reply.Address.ToString());16                Console.WriteLine("RoundTrip time: {0}", reply.RoundtripTime);17                Console.WriteLine("Time to live: {0}", reply.Options.Ttl);18                Console.WriteLine("Don't fragment: {0}", reply.Options.DontFragment);19                Console.WriteLine("Buffer size: {0}", reply.Buffer.Length);20            }21            Console.ReadLine();22        }23    }24}25using System;26using System.Net.NetworkInformation;27using System.Threading.Tasks;28using Microsoft.Coyote.Actors;29using Microsoft.Coyote.Actors.BugFinding.Tests;30using Microsoft.Coyote.Actors.BugFinding.Tests.PingPong;31{32    {33        public static void Main(string[] args)34        {35            Ping ping = new Ping();36            PingReply reply = ping.Send("www.contoso.com");37            if (reply.Status == IPStatus.Success)38            {39                Console.WriteLine("Address: {0}", reply.Address.ToString());40                Console.WriteLine("RoundTrip time: {0}", reply.RoundtripTime);41                Console.WriteLine("Time to live: {0}", reply.Options.Ttl);42                Console.WriteLine("Don't fragment: {0}", reply.Options.DontFragment);43                Console.WriteLine("Buffer size: {0}", reply.Buffer.Length);44            }45            Console.ReadLine();46        }47    }48}49I also tried to use the CoyoteTest project in this repository (

Ping

Using AI Code Generation

1using System;2using System.Net.NetworkInformation;3using System.Threading.Tasks;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Actors.BugFinding.Tests;6{7    {8        static async Task Main(string[] args)9        {10            var runtime = await Runtime.CreateAsync();11            await runtime.CreateActorAndExecuteAsync(typeof(PingActor));12            await runtime.WaitAsync();13        }14    }15    {16        protected override async Task OnInitializeAsync(Event initialEvent)17        {18            await this.SendEventAsync(this.Id, new PingEvent("www.microsoft.com"));19        }20        protected override async Task OnEventAsync(Event e)21        {22            switch (e)23            {24                    var pingSender = new Ping();25                    var reply = await pingSender.SendPingAsync(ping.HostNameOrAddress);26                    if (reply.Status == IPStatus.Success)27                    {28                        Console.WriteLine("Address: {0}", reply.Address.ToString());29                        Console.WriteLine("RoundTrip time: {0}", reply.RoundtripTime);30                        Console.WriteLine("Time to live: {0}", reply.Options.Ttl);31                        Console.WriteLine("Don't fragment: {0}", reply.Options.DontFragment);32                        Console.WriteLine("Buffer size: {0}", reply.Buffer.Length);33                    }34                    break;35            }36        }37    }38    {39        public string HostNameOrAddress;40        public PingEvent(string hostNameOrAddress)41        {42            this.HostNameOrAddress = hostNameOrAddress;43        }44    }45}

Ping

Using AI Code Generation

1using System;2using System.Net.NetworkInformation;3using System.Threading.Tasks;4using Microsoft.Coyote.Actors.BugFinding.Tests;5{6    {7        protected override async Task OnInitializeAsync(Event initialEvent)8        {9            var pingEvent = initialEvent as PingEvent;10            if (pingEvent != null)11            {12                var pinger = new Ping();13                var reply = await pinger.SendPingAsync(pingEvent.HostNameOrAddress);14                Console.WriteLine("Ping {0} ({1}) took {2} ms", reply.Address, reply.Status, reply.RoundtripTime);15            }16        }17    }18}19using System;20using System.Net.NetworkInformation;21using System.Threading.Tasks;22using Microsoft.Coyote;23using Microsoft.Coyote.Actors;24using Microsoft.Coyote.Actors.BugFinding.Tests;25{26    {27        static async Task Main(string[] args)28        {29            var config = Configuration.Create().WithTestingIterations(100);30            using (var runtime = RuntimeFactory.Create(config))31            {32                await runtime.CreateActor(typeof(PingActor), new PingEvent("www.microsoft.com"));33                await runtime.WaitAsync();34            }35        }36    }37}

Ping

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4{5    {6        private static async Task Main(string[] args)7        {8            var runtime = await RuntimeFactory.CreateAsync();9            var pong = runtime.CreateActor(typeof(Pong));10            var ping = runtime.CreateActor(typeof(Ping), pong);11            await runtime.SendEventAsync(ping, new PingEvent());12            Console.WriteLine("Press any key to exit.");13            Console.ReadKey();14        }15    }16    {17        private readonly ActorId pong;18        public Ping(ActorId pong) => this.pong = pong;19        protected override Task OnEventAsync(Event e)20        {21            if (e is PingEvent)22            {23                Console.WriteLine("Ping received ping event.");24                return this.SendEventAsync(this.pong, new PongEvent());25            }26            return Task.CompletedTask;27        }28    }29    {30        private readonly ActorId ping;31        public Pong(ActorId ping) => this.ping = ping;32        protected override Task OnEventAsync(Event e)33        {34            if (e is PongEvent)35            {36                Console.WriteLine("Pong received pong event.");37                return this.SendEventAsync(this.ping, new PingEvent());38            }39            return Task.CompletedTask;40        }41    }42    internal class PingEvent : Event { }43    internal class PongEvent : Event { }44}45Error NU1202 Package Microsoft.Coyote.Actors.BugFinding.Tests 1.0.6 is not compatible with netcoreapp3.1 (.NETCoreApp,Version=v3.1). Package Microsoft.Coyote.Actors.BugFinding.Tests 1.0.6 supports: net5.0 (.NETCoreApp,Version=v5.0) PingPong C:\Users\username\source\repos\PingPong\PingPong.csproj 1

Ping

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors.BugFinding.Tests;4using Microsoft.Coyote.Specifications;5{6    {7        public static async Task Main(string[] args)8        {9            Ping ping = new Ping();10            await ping.Run();11        }12    }13    {14        internal async Task Run()15        {16            while (true)17            {18                var pong = await this.ReceiveEvent<PongEvent>(e => e.Value == 1);19                await this.SendEvent(pong, new PingEvent() { Value = 2 });20            }21        }22    }23    {24        internal async Task Run()25        {26            while (true)27            {28                var ping = await this.ReceiveEvent<PingEvent>(e => e.Value == 2);29                await this.SendEvent(ping, new PongEvent() { Value = 1 });30            }31        }32    }33    {34        public int Value;35        public override string ToString() => $"PingEvent({this.Value})";36    }37    {38        public int Value;39        public override string ToString() => $"PongEvent({this.Value})";40    }41}42using System;43using System.Threading.Tasks;44using Microsoft.Coyote.Actors.BugFinding.Tests;45using Microsoft.Coyote.Specifications;46{47    {48        public static async Task Main(string[] args)49        {50            Ping ping = new Ping();51            await ping.Run();52        }53    }54    {55        internal async Task Run()56        {57            while (true)58            {59                var pong = await this.ReceiveEvent<PongEvent>(e => e.Value == 1);60                await this.SendEvent(pong, new PingEvent() { Value = 2 });61            }62        }63    }64    {65        internal async Task Run()66        {67            while (true)68            {69                var ping = await this.ReceiveEvent<PingEvent>(e => e.Value == 2);70                await this.SendEvent(ping, new PongEvent() { Value = 1 });71            }72        }

Ping

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Actors.BugFinding.Tests;5using Microsoft.Coyote.Specifications;6using Microsoft.Coyote.SystematicTesting;7using Microsoft.Coyote.Tasks;8using Microsoft.Coyote.TestingServices;9using Microsoft.Coyote.TestingServices.SchedulingStrategies;10using Microsoft.Coyote.TestingServices.SchedulingStrategies.DPOR;11using Microsoft.Coyote.TestingServices.SchedulingStrategies.Probabilistic;12{13    {14        public PingPongActor()15        {16            this.RegisterEventHandler<PingEvent>(this.PingHandler);17        }18        private async Task PingHandler(Event e)19        {20            var ping = e as PingEvent;21            Console.WriteLine("Ping received from {0}", ping.Sender.Name);22            await Task.Delay(100);23            var pong = new PongEvent();24            pong.Sender = this.Id;25            await this.SendEvent(ping.Sender, pong);26        }27    }28    {29        public ActorId Sender;30    }31    {32        public ActorId Sender;33    }34    {35        static void Main(string[] args)36        {37            using (var runtime = RuntimeFactory.Create())38            {39                var configuration = Configuration.Create().WithTestingIterations(10).WithRandomSchedulingSeed(1);40                var testEngine = TestingEngineFactory.Create(runtime, configuration);41                testEngine.Test += async () =>42                {43                    var ping = await runtime.CreateActorAsync(typeof(PingPongActor));44                    var pong = await runtime.CreateActorAsync(typeof(PingPongActor));45                    var pingEvent = new PingEvent();46                    pingEvent.Sender = pong;47                    await runtime.SendEventAsync(ping, pingEvent);48                };49                testEngine.Run();50                testEngine.AssertFailed(false, "Test failed.");

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