TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use TestSemaphoreWithMultiParallelAccess method of Microsoft.Coyote.BugFinding.Tests.SemaphoreSlimTests class

Best Coyote code snippet using Microsoft.Coyote.BugFinding.Tests.SemaphoreSlimTests.TestSemaphoreWithMultiParallelAccess

SemaphoreSlimTests.cs

Source:SemaphoreSlimTests.cs

...95            },96            configuration: this.GetConfiguration().WithTestingIterations(100));97        }98        [Fact(Timeout = 5000)]99        public void TestSemaphoreWithMultiParallelAccess()100        {101            this.Test(async () =>102            {103                int value = 0;104                var semaphore = new SemaphoreSlim(1, 1);105                var t1 = Task.Run(() =>106                {107                    semaphore.Wait();108                    value++;109                    SchedulingPoint.Interleave();110                    value--;111                    semaphore.Release();112                });113                var t2 = Task.Run(() =>...

TestSemaphoreWithMultiParallelAccess

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote;4using Microsoft.Coyote.BugFinding.Tests;5using Microsoft.Coyote.TestingServices;6using Microsoft.Coyote.TestingServices.SchedulingStrategies;7using Microsoft.Coyote.TestingServices.SchedulingStrategies.DPOR;8using Microsoft.Coyote.TestingServices.SchedulingStrategies.Privileged;9using Microsoft.Coyote.TestingServices.SchedulingStrategies.UnfairScheduling;10using Microsoft.Coyote.TestingServices.SchedulingStrategies.UnfairScheduling.Strategies;11using Microsoft.Coyote.TestingServices.SchedulingStrategies.UnfairScheduling.Strategies.Privileged;12{13    {14        static async Task Main(string[] args)15        {16            var configuration = Configuration.Create().WithTestingIterations(1);17            configuration.WithStrategy(new RandomExecutionStrategy(18                new Random(1),19                new UnfairStrategy(configuration, new Random(1), 0),20                new DPORStrategy(configuration, new Random(1), 0, 0),21                new PrivilegedDPORStrategy(configuration, new Random(1), 0, 0),22                new FairStrategy(configuration, new Random(1), 0),23                new PrivilegedFairStrategy(configuration, new Random(1), 0),24                new ProbabilisticRandomStrategy(configuration, new Random(1), 0),25                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 2),26                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 3),27                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 4),28                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 5),29                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 6),30                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 7),31                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 8),32                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 9),33                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 10),34                new ProbabilisticRandomStrategy(configuration, new Random(1), 0, 11),35                new ProbabilisticRandomStrategy(configuration

TestSemaphoreWithMultiParallelAccess

Using AI Code Generation

1using System;2using System.Threading;3using System.Threading.Tasks;4using Microsoft.Coyote;5using Microsoft.Coyote.BugFinding.Tests;6{7    {8        static void Main(string[] args)9        {10            Task.Run(() => { TestSemaphoreWithMultiParallelAccess(); });11            Console.ReadLine();12        }13        public static void TestSemaphoreWithMultiParallelAccess()14        {15            var semaphore = new SemaphoreSlim(1, 1);16            var t1 = Task.Run(() => { semaphore.Wait(); });17            var t2 = Task.Run(() => { semaphore.Wait(); });18            var t3 = Task.Run(() => { semaphore.Wait(); });19            var t4 = Task.Run(() => { semaphore.Wait(); });20            var t5 = Task.Run(() => { semaphore.Wait(); });21            var t6 = Task.Run(() => { semaphore.Wait(); });22            var t7 = Task.Run(() => { semaphore.Wait(); });23            var t8 = Task.Run(() => { semaphore.Wait(); });24            var t9 = Task.Run(() => { semaphore.Wait(); });25            var t10 = Task.Run(() => { semaphore.Wait(); });26            var t11 = Task.Run(() => { semaphore.Wait(); });27            var t12 = Task.Run(() => { semaphore.Wait(); });28            var t13 = Task.Run(() => { semaphore.Wait(); });29            var t14 = Task.Run(() => { semaphore.Wait(); });30            var t15 = Task.Run(() => { semaphore.Wait(); });31            var t16 = Task.Run(() => { semaphore.Wait(); });32            var t17 = Task.Run(() => { semaphore.Wait(); });33            var t18 = Task.Run(() => { semaphore.Wait(); });34            var t19 = Task.Run(() => { semaphore.Wait(); });35            var t20 = Task.Run(() => { semaphore.Wait(); });36            var t21 = Task.Run(() => { semaphore.Wait(); });37            var t22 = Task.Run(() => { semaphore.Wait(); });38            var t23 = Task.Run(() => { semaphore.Wait(); });39            var t24 = Task.Run(() => { semaphore.Wait(); });40            var t25 = Task.Run(() => { semaphore.Wait(); });41            var t26 = Task.Run(() => { semaphore.Wait(); });42            var t27 = Task.Run(() => { semaphore.Wait(); });43            var t28 = Task.Run(() => { semaphore.Wait(); });44            var t29 = Task.Run(() => { semaphore

TestSemaphoreWithMultiParallelAccess

Using AI Code Generation

1using Microsoft.Coyote.BugFinding.Tests;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            SemaphoreSlimTests test = new SemaphoreSlimTests();9            test.TestSemaphoreWithMultiParallelAccess();10        }11    }12}

TestSemaphoreWithMultiParallelAccess

Using AI Code Generation

1using Microsoft.Coyote.BugFinding.Tests;2using Microsoft.Coyote.SystematicTesting;3using System;4using System.Threading.Tasks;5{6    {7        static void Main(string[] args)8        {9            var configuration = Configuration.Create();10            configuration.TestingIterations = 100;11            configuration.SchedulingIterations = 100;12            configuration.SchedulingStrategy = SchedulingStrategy.Fuzzing;13            configuration.Verbose = 3;14            configuration.SchedulingSeed = 1;15            configuration.ReportActivityCoverage = true;16            configuration.ReportSchedulingStatistics = true;17            configuration.ReportCodeCoverage = true;18            configuration.ReportDataRaceDetection = true;19            configuration.ReportDeadlockDetection = true;20            configuration.ReportBugFinding = true;21            configuration.ReportActivityCoverage = true;22            configuration.ReportTaskActivityCoverage = true;23            configuration.ReportStateGraph = true;

TestSemaphoreWithMultiParallelAccess

Using AI Code Generation

1using System;2using System.Threading;3using System.Threading.Tasks;4using Microsoft.Coyote.BugFinding.Tests;5using Microsoft.Coyote.Runtime;6using Microsoft.Coyote.Samples;7using Microsoft.Coyote.Testing;8using Microsoft.Coyote.Testing.Systematic;9using Microsoft.Coyote.Tasks;10using Microsoft.Coyote.Threading;11using Microsoft.Coyote.IO;12using System.Collections.Generic;13using System.Linq;14using System.Text;15using System.Reflection;16{17    {18        private SemaphoreSlim semaphore;19        private int maxParallelAccess;20        protected override Task OnInitializeAsync(SystematicTestContext context)21        {22            this.semaphore = new SemaphoreSlim(0);23            this.maxParallelAccess = 0;24            return Task.CompletedTask;25        }26        protected override Task OnCleanupAsync(SystematicTestContext context)27        {28            this.semaphore.Dispose();29            return Task.CompletedTask;30        }31        public async Task Run(SystematicTestContext context)32        {33            int numTasks = 10;34            Task[] tasks = new Task[numTasks];35            for (int i = 0; i < numTasks; i++)36            {37                tasks[i] = Task.Run(() => this.ParallelAccess(context));38            }39            await Task.WhenAll(tasks);40            context.Assert(this.maxParallelAccess <= 1, "More than one parallel access detected.");41        }42        private async Task ParallelAccess(SystematicTestContext context)43        {44            await this.semaphore.WaitAsync();45            int currentParallelAccess = this.maxParallelAccess;46            this.maxParallelAccess = Math.Max(this.maxParallelAccess, currentParallelAccess + 1);47            await Task.Delay(10);48            this.maxParallelAccess = currentParallelAccess;49            this.semaphore.Release();50        }51    }52}53using System;54using System.Threading;55using System.Threading.Tasks;56using Microsoft.Coyote.BugFinding.Tests;57using Microsoft.Coyote.Runtime;58using Microsoft.Coyote.Samples;59using Microsoft.Coyote.Testing;60using Microsoft.Coyote.Testing.Systematic;61using Microsoft.Coyote.Tasks;62using Microsoft.Coyote.Threading;63using Microsoft.Coyote.IO;

TestSemaphoreWithMultiParallelAccess

Using AI Code Generation

1using Microsoft.Coyote.BugFinding.Tests;2using Microsoft.Coyote.TestingServices;3using Microsoft.Coyote.TestingServices.Runtime;4using Microsoft.Coyote.TestingServices.SchedulingStrategies;5using Microsoft.Coyote.TestingServices.Threading;6using System;7using System.Collections.Generic;8using System.Text;9using System.Threading;10using System.Threading.Tasks;11{12    {13        static void Main(string[] args)14        {15            TestScheduler scheduler = new TestScheduler();16            scheduler.TestFailed += Scheduler_TestFailed;17            scheduler.TestSucceeded += Scheduler_TestSucceeded;18            scheduler.TestError += Scheduler_TestError;19            scheduler.TestFinished += Scheduler_TestFinished;

TestSemaphoreWithMultiParallelAccess

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Coyote.BugFinding.Tests;7{8    {9        static void Main(string[] args)10        {11        }12    }13}14You can use the Coyote libraries in a class library project. The problem is that you are trying to call the TestSemaphoreWithMultiParallelAccess() method from the main thread. Coyote tests must be run from a separate thread. The easiest way to do this is to use the Coyote.TestingServices.Test method. Here is a complete example:15using System;16using System.Collections.Generic;17using System.Linq;18using System.Text;19using System.Threading.Tasks;20using Microsoft.Coyote.BugFinding.Tests;21using Microsoft.Coyote.TestingServices;22{23    {24        static void Main(string[] args)25        {26            Test(async () =>27            {28                var test = new Microsoft.Coyote.BugFinding.Tests.SemaphoreSlimTests();29                test.TestSemaphoreWithMultiParallelAccess();30            });31        }32    }33}

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.