How to use ThrowIfReturnedValueTaskNotControlled method of Microsoft.Coyote.Runtime.ExceptionProvider class
Best Coyote code snippet using Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedValueTaskNotControlled
InterAssemblyInvocationRewritingPass.cs
Source:InterAssemblyInvocationRewritingPass.cs 
...61 string methodName = GetFullyQualifiedMethodName(methodReference);62 Instruction nextInstruction = instruction.Next;63 MethodReference interceptionMethod = this.CreateInterceptionMethod(64 typeof(ExceptionProvider), methodReference,65 nameof(ExceptionProvider.ThrowIfReturnedValueTaskNotControlled));66 TypeReference interceptedReturnType = this.CreateInterceptedReturnType(methodReference);67 var instructions = this.CreateInterceptionMethodCallInstructions(68 interceptionMethod, nextInstruction, interceptedReturnType, methodName);69 if (instructions.Count > 0)70 {71 Debug.WriteLine($"............. [+] uncontrolled value task assertion when invoking '{methodName}'");72 instructions.ForEach(i => this.Processor.InsertBefore(nextInstruction, i));73 this.IsMethodBodyModified = true;74 }75 }76 else if (methodReference.Name is "GetAwaiter" && IsTaskType(resolvedReturnType,77 NameCache.TaskAwaiterName, NameCache.SystemCompilerNamespace))78 {79 MethodReference interceptionMethod = this.CreateInterceptionMethod(...
ExceptionProvider.cs
Source:ExceptionProvider.cs
...61 /// is not controlled during systematic testing.62 /// </summary>63 /// <param name="task">The value task to check if it is controlled or not.</param>64 /// <param name="methodName">The name of the method returning the task.</param>65 public static ref ValueTask ThrowIfReturnedValueTaskNotControlled(ref ValueTask task, string methodName)66 {67 if (RuntimeCompiler.ValueTaskAwaiter.TryGetTask(ref task, out Task innerTask))68 {69 CoyoteRuntime.Current?.CheckIfReturnedTaskIsUncontrolled(innerTask, methodName);70 }71 return ref task;72 }73 /// <summary>74 /// Throws an exception if the value task returned by the method with the specified name75 /// is not controlled during systematic testing.76 /// </summary>77 /// <param name="task">The value task to check if it is controlled or not.</param>78 /// <param name="methodName">The name of the method returning the task.</param>79 public static ref ValueTask<TResult> ThrowIfReturnedValueTaskNotControlled<TResult>(80 ref ValueTask<TResult> task, string methodName)81 {82 if (RuntimeCompiler.ValueTaskAwaiter.TryGetTask<TResult>(ref task, out Task<TResult> innerTask))83 {84 CoyoteRuntime.Current?.CheckIfReturnedTaskIsUncontrolled(innerTask, methodName);85 }86 return ref task;87 }88 }89}...
ThrowIfReturnedValueTaskNotControlled
Using AI Code Generation
1using Microsoft.Coyote.Runtime;2using System;3using System.Threading.Tasks;4{5 {6 static void Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 var t = new Task(() => { });10 t.Start();11 Console.WriteLine(t.Status);12 t.Wait();13 Console.WriteLine(t.Status);14 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled(t);15 }16 }17}18 at Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedValueTaskNotControlled(ValueTask valueTask) in D:\a\1\s\Source\Core\Runtime\ExceptionProvider.cs:line 6719 at ConsoleApp1.Program.Main(String[] args) in C:\Users\user\source\repos\ConsoleApp1\ConsoleApp1\1.cs:line 21
ThrowIfReturnedValueTaskNotControlled
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.SystematicTesting;6using Microsoft.Coyote.Tasks;7{8 {9 public static async Task Main(string[] args)10 {11 SystematicTestingEngine engine = new SystematicTestingEngine();12 engine.TestingEngineTrace += OnTestingEngineTrace;13 await engine.TestAsync(async () =>14 {15 await Task.Delay(1000);16 });17 }18 private static void OnTestingEngineTrace(object sender, TestingEngineTraceEventArgs e)19 {20 if (e is TaskReturnedValueTaskNotControlledEventArgs taskEvent)21 {22 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled(taskEvent.Task);23 }24 }25 }26}27using System;28using System.Threading.Tasks;29using Microsoft.Coyote;30using Microsoft.Coyote.Actors;31using Microsoft.Coyote.SystematicTesting;32using Microsoft.Coyote.Tasks;33{34 {35 public static async Task Main(string[] args)36 {37 SystematicTestingEngine engine = new SystematicTestingEngine();38 engine.TestingEngineTrace += OnTestingEngineTrace;39 await engine.TestAsync(async () =>40 {41 await Task.Delay(1000);42 });43 }44 private static void OnTestingEngineTrace(object sender, TestingEngineTraceEventArgs e)45 {46 if (e is TaskReturnedValueTaskNotControlledEventArgs taskEvent)47 {48 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled(taskEvent.Task);49 }50 }51 }52}53using System;54using System.Threading.Tasks;55using Microsoft.Coyote;56using Microsoft.Coyote.Actors;57using Microsoft.Coyote.SystematicTesting;58using Microsoft.Coyote.Tasks;59{60 {61 public static async Task Main(string[] args)62 {
ThrowIfReturnedValueTaskNotControlled
Using AI Code Generation
1using System;2using System.Threading.Tasks;3{4 {5 static async Task Main(string[] args)6 {7 var v = new ValueTask<int>(1);8 var v1 = v.AsTask();9 var v2 = new ValueTask<int>(v1);10 await v2;11 }12 }13}14using System;15using System.Threading.Tasks;16{17 {18 static async Task Main(string[] args)19 {20 var v = new ValueTask<int>(1);21 var v1 = v.AsTask();22 var v2 = new ValueTask<int>(v1);23 await v2;24 }25 }26}27using System;28using System.Threading.Tasks;29{30 {31 static async Task Main(string[] args)32 {33 var v = new ValueTask<int>(1);34 var v1 = v.AsTask();35 var v2 = new ValueTask<int>(v1);36 await v2;37 }38 }39}40using System;41using System.Threading.Tasks;42{43 {44 static async Task Main(string[] args)45 {46 var v = new ValueTask<int>(1);47 var v1 = v.AsTask();48 var v2 = new ValueTask<int>(v1);49 await v2;50 }51 }52}
ThrowIfReturnedValueTaskNotControlled
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Actors;5using Microsoft.Coyote.Tasks;6{7 {8 static async Task Main(string[] args)9 {10 var runtime = RuntimeFactory.Create();11 await runtime.CreateActor(typeof(MyActor));12 await runtime.WaitAsync();13 }14 }15 {16 protected override async Task OnInitializeAsync(Event initialEvent)17 {18 await Task.CompletedTask;19 }20 }21}22using System;23using System.Threading.Tasks;24using Microsoft.Coyote;25using Microsoft.Coyote.Actors;26using Microsoft.Coyote.Tasks;27{28 {29 static async Task Main(string[] args)30 {31 var runtime = RuntimeFactory.Create();32 await runtime.CreateActor(typeof(MyActor));33 await runtime.WaitAsync();34 }35 }36 {37 protected override async Task OnInitializeAsync(Event initialEvent)38 {39 await Task.CompletedTask;40 }41 }42}43using System;44using System.Threading.Tasks;45using Microsoft.Coyote;46using Microsoft.Coyote.Actors;47using Microsoft.Coyote.Tasks;48{49 {50 static async Task Main(string[] args)51 {52 var runtime = RuntimeFactory.Create();53 await runtime.CreateActor(typeof(MyActor));54 await runtime.WaitAsync();55 }56 }57 {58 protected override async Task OnInitializeAsync(Event initialEvent)59 {60 await Task.CompletedTask;61 }62 }63}64using System;65using System.Threading.Tasks;
ThrowIfReturnedValueTaskNotControlled
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.Tasks;5using Microsoft.Coyote.Runtime;6{7 {8 static async Task Main(string[] args)9 {10 await Test1();11 await Test2();12 await Test3();13 }14 public static async Task Test1()15 {16 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled();17 await Task.CompletedTask;18 }19 public static async Task Test2()20 {21 await Task.CompletedTask;22 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled();23 }24 public static async Task Test3()25 {26 await Task.CompletedTask;27 await Task.CompletedTask;28 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled();29 }30 }31}32using System;33using System.Threading.Tasks;34using Microsoft.Coyote;35using Microsoft.Coyote.Tasks;36using Microsoft.Coyote.Runtime;37{38 {39 static async Task Main(string[] args)40 {41 await Test1();42 await Test2();43 await Test3();44 }45 public static async ValueTask Test1()46 {47 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled();48 await Task.CompletedTask;49 }50 public static async ValueTask Test2()51 {52 await Task.CompletedTask;53 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled();54 }55 public static async ValueTask Test3()56 {57 await Task.CompletedTask;58 await Task.CompletedTask;59 ExceptionProvider.ThrowIfReturnedValueTaskNotControlled();60 }61 }62}63using System;64using System.Threading.Tasks;65using Microsoft.Coyote;66using Microsoft.Coyote.Tasks;67using Microsoft.Coyote.Runtime;68{69 {
ThrowIfReturnedValueTaskNotControlled
Using AI Code Generation
1{2 public static void Main()3 {4 var runtime = RuntimeFactory.Create();5 runtime.RegisterMonitor(typeof(Monitor));6 runtime.CreateActor(typeof(Actor));7 runtime.Run();8 }9}10{11 [OnEventDoAction(typeof(UnitEvent), nameof(TestMethod))]12 {13 }14 private async ValueTask TestMethod(Event e)15 {16 await Task.CompletedTask;17 }18}19{20 [OnEntry(nameof(TestMethod))]21 [OnEventDoAction(typeof(UnitEvent), nameof(TestMethod))]22 {23 }24 private async ValueTask TestMethod()25 {26 await Task.CompletedTask;27 }28}29{30 public static void Main()31 {32 var runtime = RuntimeFactory.Create();33 runtime.RegisterMonitor(typeof(Monitor));34 runtime.CreateActor(typeof(Actor));35 runtime.Run();36 }37}38{39 [OnEventDoAction(typeof(UnitEvent), nameof(TestMethod))]40 {41 }42 private async ValueTask TestMethod(Event e)43 {44 await Task.CompletedTask;45 }46}
ThrowIfReturnedValueTaskNotControlled
Using AI Code Generation
1Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedValueTaskNotControlled();2Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedTaskNotControlled();3Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedTaskOfTNotControlled();4Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedValueTaskOfTNotControlled();5Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedTaskNotControlled();6Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedTaskOfTNotControlled();7Microsoft.Coyote.Runtime.ExceptionProvider.ThrowIfReturnedValueTaskOfTNotControlled();
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Coyote automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used method in ExceptionProvider
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
