How to use Exchange method of Microsoft.Coyote.Actors.SharedObjects.SharedCounter class

Best Coyote code snippet using Microsoft.Coyote.Actors.SharedObjects.SharedCounter.Exchange

SharedCounterTests.cs

Source: SharedCounterTests.cs Github

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...70 do71 {72 v = counter.GetValue();73 }74 while (v != counter.CompareExchange(v + 5, v));75 counter.Add(15);76 counter.Add(-10);77 }78 tcs.SetResult(true);79 }80 }81 [Fact(Timeout = 5000)]82 public void TestProductionSharedCounter1()83 {84 var runtime = RuntimeFactory.Create();85 var counter = SharedCounter.Create(runtime, 0);86 var tcs1 = new TaskCompletionSource<bool>();87 var tcs2 = new TaskCompletionSource<bool>();88 var failed = false;...

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1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.SharedObjects;3using System;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 SharedCounter counter = new SharedCounter(0);10 ActorId actor = ActorId.CreateRandom();11 ActorRuntime.CreateActor(typeof(Incrementer), actor, counter);12 ActorId actor2 = ActorId.CreateRandom();13 ActorRuntime.CreateActor(typeof(Exchanger), actor2, counter);14 await Task.WhenAll(ActorRuntime.WaitCompletionAsync(actor),15 ActorRuntime.WaitCompletionAsync(actor2));16 Console.WriteLine("Final counter value: {0}", counter.Value);17 Console.ReadLine();18 }19 }20 {21 private readonly SharedCounter counter;22 public Incrementer(ActorId id, SharedCounter counter)23 : base(id)24 {25 this.counter = counter;26 }27 protected override async Task OnInitializeAsync(Event initialEvent)28 {29 for (int i = 0; i < 10000; i++)30 {31 counter.Increment();32 }33 }34 }35 {36 private readonly SharedCounter counter;37 public Exchanger(ActorId id, SharedCounter counter)38 : base(id)39 {40 this.counter = counter;41 }42 protected override async Task OnInitializeAsync(Event initialEvent)43 {44 for (int i = 0; i < 10000; i++)45 {46 counter.Exchange(i);47 }48 }49 }50}51using Microsoft.Coyote.Actors;52using Microsoft.Coyote.Actors.SharedObjects;53using System;54using System.Threading.Tasks;55{56 {57 static async Task Main(string[] args)58 {59 SharedCounter counter = new SharedCounter(0);

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1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.SharedObjects;3using System;4using System.Threading.Tasks;5{6 {7 static void Main(string[] args)8 {9 ActorRuntime.RegisterActor(typeof(Counter));10 ActorRuntime.RegisterActor(typeof(Incrementer));11 ActorRuntime.RegisterActor(typeof(Decrementer));12 var counter = ActorRuntime.CreateActor(typeof(Counter));13 var incrementer = ActorRuntime.CreateActor(typeof(Incrementer), new ActorId(counter.Id));14 var decrementer = ActorRuntime.CreateActor(typeof(Decrementer), new ActorId(counter.Id));15 ActorRuntime.SendEvent(incrementer, new IncrementEvent());16 ActorRuntime.SendEvent(decrementer, new DecrementEvent());17 ActorRuntime.SendEvent(incrementer, new IncrementEvent());18 ActorRuntime.SendEvent(decrementer, new DecrementEvent());19 ActorRuntime.SendEvent(incrementer, new IncrementEvent());20 ActorRuntime.SendEvent(decrementer, new DecrementEvent());21 ActorRuntime.SendEvent(incrementer, new IncrementEvent());22 ActorRuntime.SendEvent(decrementer, new DecrementEvent());23 ActorRuntime.SendEvent(incrementer, new IncrementEvent());24 ActorRuntime.SendEvent(decrementer, new DecrementEvent());25 Console.ReadLine();26 }27 }28 {29 private SharedCounter counter;30 protected override Task OnInitializeAsync(Event initialEvent)31 {32 this.counter = SharedCounter.Create(this.Id.Runtime, 0);33 return base.OnInitializeAsync(initialEvent);34 }35 private async Task OnIncrementEventAsync(Event e)36 {37 Console.WriteLine("Incrementing counter...");38 await this.counter.ExchangeAsync(1, (x, y) => x + y);39 Console.WriteLine($"Counter value is {this.counter.Value}");40 }41 private async Task OnDecrementEventAsync(Event e)42 {43 Console.WriteLine("Decrementing counter...");44 await this.counter.ExchangeAsync(1, (x, y) => x - y);45 Console.WriteLine($"Counter value is {this.counter.Value}");46 }47 }48 {49 private ActorId counter;50 public Incrementer(ActorId counter)51 {52 this.counter = counter;53 }54 protected override Task OnInitializeAsync(Event initialEvent)55 {56 this.RegisterEventHandler<IncrementEvent>(this.OnIncrementEventAsync

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1{2 {3 private int value;4 public SharedCounter(int initialValue)5 {6 this.value = initialValue;7 }8 public int Exchange(int newValue)9 {10 int oldValue = this.value;11 this.value = newValue;12 return oldValue;13 }14 }15}16{17 {18 private SharedCounter counter;19 private TaskCompletionSource<bool> tcs;20 public SharedCounterUser(SharedCounter counter, TaskCompletionSource<bool> tcs)21 {22 this.counter = counter;23 this.tcs = tcs;24 }25 [OnEntry(nameof(Setup))]26 [OnEventDoAction(typeof(UnitEvent), nameof(Exchange))]27 {28 }29 private void Setup()30 {31 this.SendEvent(this.Id, UnitEvent.Instance);32 }33 private void Exchange()34 {35 int oldValue = this.counter.Exchange(0);36 this.Assert(oldValue == 1);37 this.tcs.SetResult(true);38 }39 }40}41{42 {43 public void Test()44 {45 this.Test(r =>46 {47 var tcs = new TaskCompletionSource<bool>();48 r.RegisterMonitor<DeadlockMonitor>();49 r.CreateActor(typeof(SharedCounterUser), new SharedCounter(1), tcs);50 tcs.Task.Wait();51 },52 configuration: this.GetConfiguration().WithTestingIterations(100));53 }54 }55}56{57 {58 public static void Main()59 {60 new SharedCounterTest().Test();61 }62 }63}64{65 {66 public static void Main()67 {68 new SharedCounterTest().Test();69 }70 }71}

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1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.SharedObjects;3{4 {5 SharedCounter Counter;6 public CounterUser(SharedCounter counter)7 {8 this.Counter = counter;9 }10 protected override async Task OnInitializeAsync(Event initialEvent)11 {12 int value = await this.Counter.Exchange(0);13 this.Assert(value == 0, "Value is not zero");14 }15 }16}17using Microsoft.Coyote.Actors;18using Microsoft.Coyote.Actors.SharedObjects;19{20 {21 SharedCounter Counter;22 public CounterUser(SharedCounter counter)23 {24 this.Counter = counter;25 }26 protected override async Task OnInitializeAsync(Event initialEvent)27 {28 int value = await this.Counter.CompareExchange(0, 1);29 this.Assert(value == 0, "Value is not zero");30 }31 }32}33using Microsoft.Coyote.Actors;34using Microsoft.Coyote.Actors.SharedObjects;35{36 {37 SharedCounter Counter;38 public CounterUser(SharedCounter counter)39 {40 this.Counter = counter;41 }42 protected override async Task OnInitializeAsync(Event initialEvent)43 {44 int value = await this.Counter.Increment();45 this.Assert(value == 1, "Value

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1using System;2{3 {4 static void Main(string[] args)5 {6 var counter = new Microsoft.Coyote.Actors.SharedObjects.SharedCounter(0);7 counter.Exchange(5);8 Console.WriteLine(counter.Value);9 Console.ReadKey();10 }11 }12}13using System;14{15 {16 static void Main(string[] args)17 {18 var counter1 = new Microsoft.Coyote.Actors.SharedObjects.SharedCounter(0);19 var counter2 = new Microsoft.Coyote.Actors.SharedObjects.SharedCounter(0);20 counter1.Exchange(counter2);21 Console.WriteLine(counter1.Value);22 Console.WriteLine(counter2.Value);23 Console.ReadKey();24 }25 }26}27using System;28{29 {30 static void Main(string[] args)31 {32 var counter = new Microsoft.Coyote.Actors.SharedObjects.SharedCounter(0);33 var result = counter.Exchange(5);34 Console.WriteLine(result);35 Console.ReadKey();36 }37 }38}

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1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.SharedObjects;3{4 {5 private SharedCounter myCounter;6 protected override void OnInitialize()7 {8 this.myCounter = SharedCounter.Create(this.Id.Runtime, 1);9 }10 protected override async Task OnEventAsync(Event e)11 {12 if (e is MyEvent)13 {14 var myEvent = e as MyEvent;15 var result = await this.myCounter.Exchange(myEvent.Value);16 }17 }18 }19 {20 public int Value { get; }21 public MyEvent(int value)22 {23 this.Value = value;24 }25 }26}27using Microsoft.Coyote.Actors;28using Microsoft.Coyote.Actors.SharedObjects;29{30 {31 private SharedCounter myCounter;32 protected override void OnInitialize()33 {34 this.myCounter = SharedCounter.Create(this.Id.Runtime, 1);35 }36 protected override async Task OnEventAsync(Event e)37 {38 if (e is MyEvent)39 {40 var result = await this.myCounter.Get();41 }42 }43 }44 {45 public MyEvent()46 {47 }48 }49}50using Microsoft.Coyote.Actors;51using Microsoft.Coyote.Actors.SharedObjects;52{53 {54 private SharedCounter myCounter;55 protected override void OnInitialize()56 {57 this.myCounter = SharedCounter.Create(this.Id.Runtime, 1);58 }59 protected override async Task OnEventAsync(Event e)60 {61 if (e is MyEvent)62 {63 await this.myCounter.Increment();64 }65 }66 }67 {68 public MyEvent()69 {70 }71 }72}

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1 {2 private static void Main(string[] args)3 {4 var runtime = RuntimeFactory.Create();5 runtime.RegisterMonitor(typeof(SharedCounter));6 runtime.CreateActor(typeof(Actor1));7 runtime.CreateActor(typeof(Actor2));8 runtime.Run();9 }10 }11 {12 private SharedCounter counter;13 private TaskCompletionSource<bool> tcs;14 protected override Task OnInitializeAsync(Event initialEvent)15 {16 this.counter = SharedCounter.Create(this.Id.Runtime, "counter");17 this.tcs = (initialEvent as EventWithTaskCompletionSource).TaskCompletionSource;18 return Task.CompletedTask;19 }20 protected override async Task OnEventAsync(Event e)21 {22 if (e is Event1)23 {24 var value = await this.counter.ExchangeAsync(1);25 this.tcs.SetResult(value == 0);26 }27 }28 }29 {30 private SharedCounter counter;31 protected override Task OnInitializeAsync(Event initialEvent)32 {33 this.counter = SharedCounter.Create(this.Id.Runtime, "counter");34 return Task.CompletedTask;35 }36 protected override async Task OnEventAsync(Event e)37 {38 if (e is Event1)39 {40 await this.counter.ExchangeAsync(1);41 }42 }43 }44 class Event1 : Event { }45 {46 public TaskCompletionSource<bool> TaskCompletionSource { get; }47 public EventWithTaskCompletionSource(TaskCompletionSource<bool> tcs)48 {49 this.TaskCompletionSource = tcs;50 }51 }52 {53 private int Value;54 [OnEntry(nameof(InitOnEntry))]55 [OnEventDoAction(typeof(Event1), nameof(OnEvent1))]56 private class Init : MonitorState { }57 private void InitOnEntry()58 {59 this.Value = 0;60 }61 private void OnEvent1()62 {63 this.Value++;64 }65 }66 {67 private static void Main(string[] args)68 {69 var runtime = RuntimeFactory.Create();70 runtime.RegisterMonitor(typeof(SharedCounter));

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1{2 using Microsoft.Coyote;3 using Microsoft.Coyote.Actors;4 using Microsoft.Coyote.Actors.SharedObjects;5 using System;6 using System.Threading.Tasks;7 {8 static void Main(string[] args)9 {10 var config = Configuration.Create().WithNumberOfIterations(100);11 var runtime = RuntimeFactory.Create(config);12 runtime.RegisterMonitor(typeof(CounterMonitor));13 runtime.CreateActor(typeof(Counter));14 runtime.Wait();15 }16 }17 {18 private SharedCounter counter;19 protected override async Task OnInitializeAsync(Event initialEvent)20 {21 this.counter = SharedCounter.Create(this.Id.Runtime, 0);22 await this.SendEvent(this.Id, new Incr());23 }24 protected override Task OnEventAsync(Event e)25 {26 switch (e)27 {28 this.counter.Exchange(1, (counterValue, _) => counterValue + 1);29 return this.SendEvent(this.Id, new Incr());30 return Task.CompletedTask;31 }32 }33 }34 class Incr : Event { }35 {36 [OnEventDoAction(typeof(Incr), nameof(IncrementCounter))]37 [OnEventDoAction(typeof(CounterExchangeEvent), nameof(VerifyCounter))]38 class Init : MonitorState { }39 private void IncrementCounter()40 {41 this.Assert(this.Counter == 0, "Counter should be 0.");42 this.Counter++;43 }44 private void VerifyCounter()45 {46 this.Assert(this.Counter == 1, "Counter should be 1.");47 this.Counter--;48 }49 private int Counter;50 }51}52{53 using Microsoft.Coyote;54 using Microsoft.Coyote.Actors;55 using Microsoft.Coyote.Actors.SharedObjects;56 using System;57 using System.Threading.Tasks;58 {59 static void Main(string[] args)60 {61 var config = Configuration.Create().WithNumberOfIterations(100);62 var runtime = RuntimeFactory.Create(config);63 runtime.RegisterMonitor(typeof(CounterMonitor));

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1using Microsoft.Coyote.Actors;2using Microsoft.Coyote.Actors.SharedObjects;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7{8 {9 private SharedCounter Counter;10 public Actor1(SharedCounter counter)11 {12 this.Counter = counter;13 }14 protected override async Task OnInitializeAsync(Event initialEvent)15 {16 await this.Counter.IncrementAsync();17 await this.Counter.IncrementAsync();18 await this.Counter.IncrementAsync();19 var count = await this.Counter.ExchangeAsync(0);20 Console.WriteLine("Actor1: {0}", count);21 }22 }23 {24 private SharedCounter Counter;25 public Actor2(SharedCounter counter)26 {27 this.Counter = counter;28 }29 protected override async Task OnInitializeAsync(Event initialEvent)30 {31 await this.Counter.IncrementAsync();32 await this.Counter.IncrementAsync();33 await this.Counter.IncrementAsync();34 await this.Counter.IncrementAsync();35 await this.Counter.IncrementAsync();36 var count = await this.Counter.ExchangeAsync(0);37 Console.WriteLine("Actor2: {0}", count);38 }39 }40 {41 static void Main(string[] args)42 {43 var config = Configuration.Create();44 var runtime = RuntimeFactory.Create(config);45 var counter = SharedCounter.Create(runtime, 0);46 runtime.CreateActor(typeof(Actor1), new Actor1(counter));47 runtime.CreateActor(typeof(Actor2), new Actor2(counter));48 runtime.Run();49 }50 }51}52using Microsoft.Coyote.Actors;53using Microsoft.Coyote.Actors.SharedObjects;54using System;55using System.Collections.Generic;56using System.Text;57using System.Threading.Tasks;58{59 {60 private SharedCounter Counter;61 public Actor1(SharedCounter counter)62 {63 this.Counter = counter;64 }65 protected override async Task OnInitializeAsync(Event initialEvent)66 {67 await this.Counter.IncrementAsync();

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