How to use YieldAsync method of Microsoft.Coyote.Tests.Common.Tasks.AsyncProvider class

Best Coyote code snippet using Microsoft.Coyote.Tests.Common.Tasks.AsyncProvider.YieldAsync

ActorTaskYieldTests.cs

Source:ActorTaskYieldTests.cs Github

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...8namespace Microsoft.Coyote.Actors.SystematicTesting.Tests9{10 public class ActorTaskYieldTests : BaseActorSystematicTest11 {12 private static string ExpectedMethodName { get; } = $"{typeof(AsyncProvider).FullName}.{nameof(AsyncProvider.YieldAsync)}";13 public ActorTaskYieldTests(ITestOutputHelper output)14 : base(output)15 {16 }17 [OnEventDoAction(typeof(UnitEvent), nameof(IgnoreUnitEvent))]18 private class A1 : Actor19 {20 protected override async Task OnInitializeAsync(Event initialEvent)21 {22 this.SendEvent(this.Id, UnitEvent.Instance);23 await Task.Yield();24 this.SendEvent(this.Id, UnitEvent.Instance);25 }26#pragma warning disable CA1822 // Mark members as static27 private void IgnoreUnitEvent()28#pragma warning restore CA1822 // Mark members as static29 {30 }31 }32 [Fact(Timeout = 5000)]33 public void TestYieldInActor()34 {35 this.Test(r =>36 {37 r.CreateActor(typeof(A1));38 },39 configuration: GetConfiguration().WithTestingIterations(100));40 }41 private class M1 : StateMachine42 {43 [Start]44 [OnEntry(nameof(InitOnEntry))]45 [IgnoreEvents(typeof(UnitEvent))]46 private class Init : State47 {48 }49 private async Task InitOnEntry()50 {51 this.SendEvent(this.Id, UnitEvent.Instance);52 await Task.Yield();53 this.SendEvent(this.Id, UnitEvent.Instance);54 }55 }56 [Fact(Timeout = 5000)]57 public void TestYieldInStateMachine()58 {59 this.Test(r =>60 {61 r.CreateActor(typeof(M1));62 },63 configuration: GetConfiguration().WithTestingIterations(100));64 }65 private class A2 : Actor66 {67 protected override async Task OnInitializeAsync(Event initialEvent)68 {69 Task[] tasks = new Task[2];70 for (int i = 0; i < 2; i++)71 {72 tasks[i] = this.YieldedRandomAsync();73 }74 await Task.WhenAll(tasks);75 }76 private async Task YieldedRandomAsync()77 {78 await Task.Yield();79 this.RandomBoolean();80 }81 }82 [Fact(Timeout = 5000)]83 public void TestYieldLoopInActor()84 {85 this.Test(r =>86 {87 r.CreateActor(typeof(A2));88 },89 configuration: GetConfiguration().WithTestingIterations(100));90 }91 private class M2 : StateMachine92 {93 [Start]94 [OnEntry(nameof(InitOnEntry))]95 private class Init : State96 {97 }98 private async Task InitOnEntry()99 {100 Task[] tasks = new Task[2];101 for (int i = 0; i < 2; i++)102 {103 tasks[i] = this.YieldedRandomAsync();104 }105 await Task.WhenAll(tasks);106 }107 private async Task YieldedRandomAsync()108 {109 await Task.Yield();110 this.RandomBoolean();111 }112 }113 [Fact(Timeout = 5000)]114 public void TestYieldLoopInStateMachine()115 {116 this.Test(r =>117 {118 r.CreateActor(typeof(M2));119 },120 configuration: GetConfiguration().WithTestingIterations(100));121 }122 [OnEventDoAction(typeof(UnitEvent), nameof(IgnoreUnitEvent))]123 private class A3 : Actor124 {125 protected override async Task OnInitializeAsync(Event initialEvent)126 {127 this.SendEvent(this.Id, UnitEvent.Instance);128 await AsyncProvider.YieldAsync();129 this.SendEvent(this.Id, UnitEvent.Instance);130 }131#pragma warning disable CA1822 // Mark members as static132 private void IgnoreUnitEvent()133#pragma warning restore CA1822 // Mark members as static134 {135 }136 }137 [Fact(Timeout = 5000)]138 public void TestUncontrolledYieldInActor()139 {140 this.TestWithError(r =>141 {142 r.CreateActor(typeof(A3));143 },144 configuration: GetConfiguration().WithTestingIterations(100),145 errorChecker: (e) =>146 {147 Assert.StartsWith($"Method '{ExpectedMethodName}' returned an uncontrolled task", e);148 });149 }150 private class M3 : StateMachine151 {152 [Start]153 [OnEntry(nameof(InitOnEntry))]154 [IgnoreEvents(typeof(UnitEvent))]155 private class Init : State156 {157 }158 private async Task InitOnEntry()159 {160 this.SendEvent(this.Id, UnitEvent.Instance);161 await AsyncProvider.YieldAsync();162 this.SendEvent(this.Id, UnitEvent.Instance);163 }164 }165 [Fact(Timeout = 5000)]166 public void TestUncontrolledYieldInStateMachine()167 {168 this.TestWithError(r =>169 {170 r.CreateActor(typeof(M3));171 },172 configuration: GetConfiguration().WithTestingIterations(100),173 errorChecker: (e) =>174 {175 Assert.StartsWith($"Method '{ExpectedMethodName}' returned an uncontrolled task", e);176 });177 }178 private class A4 : Actor179 {180 protected override async Task OnInitializeAsync(Event initialEvent)181 {182 Task[] tasks = new Task[2];183 for (int i = 0; i < 2; i++)184 {185 tasks[i] = this.YieldedRandomAsync();186 }187 await Task.WhenAll(tasks);188 }189 private async Task YieldedRandomAsync()190 {191 await AsyncProvider.YieldAsync();192 this.RandomBoolean();193 }194 }195 [Fact(Timeout = 5000)]196 public void TestUncontrolledYieldLoopInActor()197 {198 this.TestWithError(r =>199 {200 r.CreateActor(typeof(A4));201 },202 configuration: GetConfiguration().WithTestingIterations(100),203 errorChecker: (e) =>204 {205 Assert.StartsWith($"Method '{ExpectedMethodName}' returned an uncontrolled task", e);206 });207 }208 private class M4 : StateMachine209 {210 [Start]211 [OnEntry(nameof(InitOnEntry))]212 private class Init : State213 {214 }215 private async Task InitOnEntry()216 {217 Task[] tasks = new Task[2];218 for (int i = 0; i < 2; i++)219 {220 tasks[i] = this.YieldedRandomAsync();221 }222 await Task.WhenAll(tasks);223 }224 private async Task YieldedRandomAsync()225 {226 await AsyncProvider.YieldAsync();227 this.RandomBoolean();228 }229 }230 [Fact(Timeout = 5000)]231 public void TestUncontrolledYieldLoopInStateMachine()232 {233 this.TestWithError(r =>234 {235 r.CreateActor(typeof(M4));236 },237 configuration: GetConfiguration().WithTestingIterations(100),238 errorChecker: (e) =>239 {240 Assert.StartsWith($"Method '{ExpectedMethodName}' returned an uncontrolled task", e);...

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AsyncProvider.cs

Source:AsyncProvider.cs Github

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...11 /// </remarks>12 public static class AsyncProvider13 {14 public static Task DelayAsync(int duration) => Task.Delay(duration);15 public static async Task YieldAsync() => await Task.Yield();16 }17}...

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YieldAsync

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Tasks;5using Microsoft.Coyote.Tests.Common.Tasks;6using Xunit;7using Xunit.Abstractions;8{9 {10 public ActorYieldTests(ITestOutputHelper output)11 : base(output)12 {13 }14 {15 public TaskCompletionSource<bool> Tcs;16 }17 {18 [OnEntry(nameof(InitOnEntry))]19 [OnEventDoAction(typeof(E), nameof(Handle))]20 {21 }22 private async Task InitOnEntry(Event e)23 {24 this.SendEvent(this.Id, new E { Tcs = new TaskCompletionSource<bool>() });25 await this.ReceiveEventAsync(typeof(E));26 }27 private async Task Handle(Event e)28 {29 await AsyncProvider.YieldAsync();30 (e as E).Tcs.SetResult(true);31 }32 }33 [Fact(Timeout = 5000)]34 public void TestYieldAsync()35 {36 this.TestWithError(async r =>37 {38 var id = r.CreateActor(typeof(M));39 var e = await r.ReceiveEventAsync(id, typeof(E)) as E;40 await e.Tcs.Task;41 },42 configuration: GetConfiguration().WithTestingIterations(100),43 replay: true);44 }45 }46}47 at Microsoft.Coyote.Production.Tests.BaseProductionTest.TestWithError(Action`1 test, Configuration configuration, String expectedError, Boolean replay)48 at Microsoft.Coyote.Production.Tests.Actors.ActorYieldTests.TestYieldAsync() in C:\Users\julian\Documents\GitHub\coyote\Source\Production\Tests\Actors\ActorYieldTests.cs:line 62

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YieldAsync

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Tasks;5using Microsoft.Coyote.SystematicTesting;6using Microsoft.Coyote.Actors;7using Microsoft.Coyote.Actors.SystematicTesting;8using Microsoft.Coyote.Runtime;9using Microsoft.Coyote.IO;10using Microsoft.Coyote.Specifications;11using Microsoft.Coyote.Tests.Common.Tasks;12{13 {14 public static void Main(string[] args)15 {16 CoyoteRuntime runtime = new CoyoteRuntime();17 runtime.RegisterMonitor(typeof(Monitor1));18 runtime.CreateActor(typeof(Actor1));19 runtime.Wait();20 }21 }22 {23 protected override async Task OnInitializeAsync(Event initialEvent)24 {25 await AsyncProvider.YieldAsync();26 }27 }28 {29 [OnEventDoAction(typeof(Default), nameof(OnDefault))]30 {31 }32 private void OnDefault()33 {34 this.Assert(false, "Error!");35 }36 }37}38using System;39using System.Threading.Tasks;40using Microsoft.Coyote;41using Microsoft.Coyote.Tasks;42using Microsoft.Coyote.SystematicTesting;43using Microsoft.Coyote.Actors;44using Microsoft.Coyote.Actors.SystematicTesting;45using Microsoft.Coyote.Runtime;46using Microsoft.Coyote.IO;47using Microsoft.Coyote.Specifications;48using Microsoft.Coyote.Tests.Common.Tasks;49{50 {51 public static void Main(string[] args)52 {53 CoyoteRuntime runtime = new CoyoteRuntime();54 runtime.RegisterMonitor(typeof(Monitor1));55 runtime.CreateActor(typeof(Actor1));56 runtime.Wait();57 }58 }59 {60 protected override async Task OnInitializeAsync(Event initialEvent)61 {62 await AsyncProvider.YieldAsync();63 }64 }65 {66 [OnEventDoAction(typeof(Default), nameof(OnDefault))]

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YieldAsync

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Tasks;5using Microsoft.Coyote.Actors;6{7 {8 public static void Main()9 {10 AsyncProvider.Run(async () =>11 {12 var task = Task.Run(() =>13 {14 Console.WriteLine("Hello from task");15 });16 await AsyncProvider.YieldAsync(task);17 });18 }19 }20}21using System;22using System.Threading.Tasks;23using Microsoft.Coyote;24using Microsoft.Coyote.Tasks;25using Microsoft.Coyote.Actors;26{27 {28 public static void Main()29 {30 AsyncProvider.Run(async () =>31 {32 var task = ActorTask.Run(async () =>33 {34 Console.WriteLine("Hello from task");35 });36 await AsyncProvider.YieldAsync(task);37 });38 }39 }40}41using System;42using System.Threading.Tasks;43using Microsoft.Coyote;44using Microsoft.Coyote.Tasks;45using Microsoft.Coyote.Actors;46{47 {48 public static void Main()49 {50 AsyncProvider.Run(async () =>51 {52 var task = ActorTask.Run(async () =>53 {54 Console.WriteLine("Hello from task");55 });56 await task.YieldAsync();57 });58 }59 }60}61using System;62using System.Threading.Tasks;63using Microsoft.Coyote;64using Microsoft.Coyote.Tasks;65using Microsoft.Coyote.Actors;66{67 {68 public static void Main()69 {70 AsyncProvider.Run(async () =>71 {72 var task = ActorTask.Run(async () =>73 {74 Console.WriteLine("Hello from task");75 });76 await task;77 });78 }79 }80}81using System;

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YieldAsync

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Actors;4using Microsoft.Coyote.Tests.Common.Tasks;5using Microsoft.Coyote.Tests.Common;6using Microsoft.Coyote.Tasks;7{8 {9 static void Main(string[] args)10 {11 var runtime = RuntimeFactory.Create();12 runtime.RegisterMonitor(typeof(Monitor));13 runtime.CreateActor(typeof(Actor));14 runtime.Start();15 }16 }17 {18 [OnEventDoAction(typeof(Event), nameof(HandleEvent))]19 class Init : MonitorState { }20 void HandleEvent()21 {22 this.Assert(false, "Monitor assertion failed");23 }24 }25 {26 [OnEventDoAction(typeof(StartEvent), nameof(Start))]27 class Init : State { }28 private async Task Start()29 {30 await AsyncProvider.YieldAsync();31 this.RaiseEvent(new Event());32 }33 }34}35using System;36using System.Threading.Tasks;37using Microsoft.Coyote.Actors;38using Microsoft.Coyote.Tests.Common.Tasks;39using Microsoft.Coyote.Tests.Common;40using Microsoft.Coyote.Tasks;41{42 {43 static void Main(string[] args)44 {45 var runtime = RuntimeFactory.Create();46 runtime.RegisterMonitor(typeof(Monitor));47 runtime.CreateActor(typeof(Actor));48 runtime.Start();49 }50 }51 {52 [OnEventDoAction(typeof(Event), nameof(HandleEvent))]53 class Init : MonitorState { }54 void HandleEvent()55 {56 this.Assert(false, "Monitor assertion failed");57 }58 }59 {60 [OnEventDoAction(typeof(StartEvent), nameof(Start))]61 class Init : State { }62 private async Task Start()63 {64 await Task.Yield();65 this.RaiseEvent(new Event());66 }67 }68}69using System;70using System.Threading.Tasks;71using Microsoft.Coyote.Actors;72using Microsoft.Coyote.Tests.Common.Tasks;73using Microsoft.Coyote.Tests.Common;

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YieldAsync

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Tasks;5using System.Threading;6using Microsoft.Coyote.Actors;7using Microsoft.Coyote.Specifications;8{9 {10 public static async Task Main()11 {12 var result = await AsyncProvider.YieldAsync<int>(1);13 Console.WriteLine(result);14 }15 }16}17using System;18using System.Threading.Tasks;19using Microsoft.Coyote;20using Microsoft.Coyote.Tasks;21using System.Threading;22using Microsoft.Coyote.Actors;23using Microsoft.Coyote.Specifications;24{25 {26 public static async Task Main()27 {28 var result = await AsyncProvider.YieldAsync<int>(1);29 Console.WriteLine(result);30 }31 }32}33using System;34using System.Threading.Tasks;35using Microsoft.Coyote;36using Microsoft.Coyote.Tasks;37using System.Threading;38using Microsoft.Coyote.Actors;39using Microsoft.Coyote.Specifications;40{41 {42 public static async Task Main()43 {44 var result = await AsyncProvider.YieldAsync<int>(1);45 Console.WriteLine(result);46 }47 }48}49using System;50using System.Threading.Tasks;51using Microsoft.Coyote;52using Microsoft.Coyote.Tasks;53using System.Threading;54using Microsoft.Coyote.Actors;55using Microsoft.Coyote.Specifications;56{57 {58 public static async Task Main()59 {60 var result = await AsyncProvider.YieldAsync<int>(1);61 Console.WriteLine(result);62 }63 }64}65using System;66using System.Threading.Tasks;67using Microsoft.Coyote;68using Microsoft.Coyote.Tasks;69using System.Threading;70using Microsoft.Coyote.Actors;71using Microsoft.Coyote.Specifications;72{73 {

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YieldAsync

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1using Microsoft.Coyote.Tests.Common.Tasks;2using System;3using System.Threading.Tasks;4using System.Threading;5{6 {7 public static async Task Main()8 {9 await AsyncProvider.YieldAsync();10 }11 }12}13using Microsoft.Coyote.Tests.Common.Tasks;14using System;15using System.Threading.Tasks;16using System.Threading;17{18 {19 public static async Task<int> Main()20 {21 await AsyncProvider.YieldAsync();22 return 5;23 }24 }25}26using Microsoft.Coyote.Tests.Common.Tasks;27using System;28using System.Threading.Tasks;29using System.Threading;30{31 {32 public static async Task Main()33 {34 var cts = new CancellationTokenSource();35 cts.Cancel();36 await AsyncProvider.YieldAsync(cts.Token);37 }38 }39}40using Microsoft.Coyote.Tests.Common.Tasks;41using System;42using System.Threading.Tasks;43using System.Threading;44{45 {46 public static async Task<int> Main()47 {

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YieldAsync

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1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Tests.Common.Tasks;4using Microsoft.CoyoteActors;5using Microsoft.CoyoteActors.Timers;6{7 {8 static void Main(string[] args)9 {10 var runtime = RuntimeFactory.Create();11 runtime.CreateActor(typeof(Machine1));12 runtime.Wait();13 }14 }15 {16 protected override async Task OnInitializeAsync(Event initialEvent)17 {18 await Task.Delay(1000);19 this.SendEvent(this.Id, new E1());20 }21 protected override async Task OnEventAsync(Event e)22 {23 if (e is E1)24 {25 await Task.Delay(1000);26 this.SendEvent(this.Id, new E2());27 }28 else if (e is E2)29 {30 await Task.Delay(1000);31 this.SendEvent(this.Id, new E3());32 }33 else if (e is E3)34 {35 await Task.Delay(1000);36 this.SendEvent(this.Id, new E4());37 }38 else if (e is E4)39 {40 await Task.Delay(1000);41 this.SendEvent(this.Id, new E5());42 }43 else if (e is E5)44 {45 await Task.Delay(1000);46 this.SendEvent(this.Id, new E6());47 }48 else if (e is E6)49 {50 await Task.Delay(1000);51 this.SendEvent(this.Id, new E7());52 }53 else if (e is E7)54 {55 await Task.Delay(1000);56 this.SendEvent(this.Id, new E8());57 }58 else if (e is E8)59 {60 await Task.Delay(1000);61 this.SendEvent(this.Id, new E9());62 }63 else if (e is E9)64 {65 await Task.Delay(1000);66 this.SendEvent(this.Id, new E10());67 }68 else if (e is E10)69 {70 await Task.Delay(1000);71 this.SendEvent(this.Id, new E11());72 }73 else if (e is E11)74 {75 await Task.Delay(1000);76 this.SendEvent(this.Id, new E12());

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YieldAsync

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1{2 public static async Task Main()3 {4 var task = Task.Run(async () =>5 {6 await Task.Delay(1000);7 Console.WriteLine("Hello World!");8 });9 await AsyncProvider.YieldAsync();10 await task;11 }12}13using Microsoft.Coyote;14using Microsoft.Coyote.Tasks;15using System;16using System.Threading.Tasks;17{18 {19 public static async Task Main()20 {21 var task = Task.Run(async () =>22 {23 await Task.Delay(1000);24 Console.WriteLine("Hello World!");25 });26 await AsyncProvider.YieldAsync();27 await task;28 }29 }30}

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