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Coyote
Microsoft.Coyote.Rewriting.Types.Threading.Tasks
TaskCompletionSource

How to use TaskCompletionSource class of Microsoft.Coyote.Rewriting.Types.Threading.Tasks package

Best Coyote code snippet using Microsoft.Coyote.Rewriting.Types.Threading.Tasks.TaskCompletionSource

TypeRewritingPass.cs

Source:TypeRewritingPass.cs

...61            this.KnownTypes[NameCache.GenericTask] = typeof(Types.Threading.Tasks.Task<>);62            this.KnownTypes[NameCache.ValueTask] = typeof(Types.Threading.Tasks.ValueTask);63            this.KnownTypes[NameCache.GenericValueTask] = typeof(Types.Threading.Tasks.ValueTask<>);64#if NET65            this.KnownTypes[NameCache.TaskCompletionSource] = typeof(Types.Threading.Tasks.TaskCompletionSource);66#endif67            this.KnownTypes[NameCache.GenericTaskCompletionSource] = typeof(Types.Threading.Tasks.TaskCompletionSource<>);68            this.KnownTypes[NameCache.TaskExtensions] = typeof(Types.TaskExtensions);69            this.KnownTypes[NameCache.TaskFactory] = typeof(Types.Threading.Tasks.TaskFactory);70            this.KnownTypes[NameCache.GenericTaskFactory] = typeof(Types.Threading.Tasks.TaskFactory<>);71            this.KnownTypes[NameCache.TaskParallel] = typeof(Types.Threading.Tasks.Parallel);72            // Populate the map with the known synchronization types.73            this.KnownTypes[NameCache.Monitor] = typeof(Types.Threading.Monitor);74            this.KnownTypes[NameCache.SemaphoreSlim] = typeof(Types.Threading.SemaphoreSlim);75#if NET || NETCOREAPP3_176            // Populate the map with the known HTTP and web-related types.77            this.KnownTypes[NameCache.HttpClient] = typeof(Types.Net.Http.HttpClient);78            this.KnownTypes[NameCache.HttpRequestMessage] = typeof(Types.Net.Http.HttpRequestMessage);79#endif80            if (options.IsRewritingConcurrentCollections)81            {...

TaskCompletionSource.cs

Source:TaskCompletionSource.cs

...5using Microsoft.Coyote.Runtime;6using SystemCancellationToken = System.Threading.CancellationToken;7#if NET8using SystemTask = System.Threading.Tasks.Task;9using SystemTaskCompletionSource = System.Threading.Tasks.TaskCompletionSource;10#endif11using SystemTasks = System.Threading.Tasks;12namespace Microsoft.Coyote.Rewriting.Types.Threading.Tasks13{14#if NET15    /// <summary>16    /// Represents the producer side of a controlled task unbound to a delegate, providing17    /// access to the consumer side through the task property of the task completion source.18    /// </summary>19    /// <remarks>This type is intended for compiler use rather than use directly in code.</remarks>20    [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]21    public static class TaskCompletionSource22    {23#pragma warning disable CA1000 // Do not declare static members on generic types24        /// <summary>25        /// Gets the task created by this task completion source.26        /// </summary>27#pragma warning disable CA1707 // Remove the underscores from member name28#pragma warning disable SA1300 // Element should begin with an uppercase letter29#pragma warning disable IDE1006 // Naming Styles30        public static SystemTask get_Task(SystemTaskCompletionSource tcs)31        {32            var task = tcs.Task;33            CoyoteRuntime.Current?.RegisterKnownControlledTask(task);34            return task;35        }36#pragma warning restore CA1707 // Remove the underscores from member name37#pragma warning restore SA1300 // Element should begin with an uppercase letter38#pragma warning restore IDE1006 // Naming Styles39        /// <summary>40        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.RanToCompletion"/> state.41        /// </summary>42        public static void SetResult(SystemTaskCompletionSource tcs) => tcs.SetResult();43        /// <summary>44        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state45        /// and binds a collection of exception objects to it.46        /// </summary>47        public static void SetException(SystemTaskCompletionSource tcs,48            IEnumerable<Exception> exceptions) =>49            tcs.SetException(exceptions);50        /// <summary>51        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state52        /// and binds it to a specified exception.53        /// </summary>54        public static void SetException(SystemTaskCompletionSource tcs, Exception exception) =>55            tcs.SetException(exception);56        /// <summary>57        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.Canceled"/> state.58        /// </summary>59        public static void SetCanceled(SystemTaskCompletionSource tcs) => tcs.SetCanceled();60        /// <summary>61        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.RanToCompletion"/> state.62        /// </summary>63        public static bool TrySetResult(SystemTaskCompletionSource tcs) =>64            tcs.TrySetResult();65        /// <summary>66        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state67        /// and binds it to a specified exception.68        /// </summary>69        public static bool TrySetException(SystemTaskCompletionSource tcs, Exception exception) =>70            tcs.TrySetException(exception);71        /// <summary>72        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state73        /// and binds a collection of exception objects to it.74        /// </summary>75        public static bool TrySetException(SystemTaskCompletionSource tcs, IEnumerable<Exception> exceptions) =>76            tcs.TrySetException(exceptions);77        /// <summary>78        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Canceled"/> state.79        /// </summary>80        public static bool TrySetCanceled(SystemTaskCompletionSource tcs) => tcs.TrySetCanceled();81        /// <summary>82        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Canceled"/> state83        /// and enables a cancellation token to be stored in the canceled task.84        /// </summary>85        public static bool TrySetCanceled(SystemTaskCompletionSource tcs, SystemCancellationToken cancellationToken) =>86            tcs.TrySetCanceled(cancellationToken);87#pragma warning restore CA1000 // Do not declare static members on generic types88    }89#endif90    /// <summary>91    /// Represents the producer side of a controlled task unbound to a delegate, providing92    /// access to the consumer side through the task property of the task completion source.93    /// </summary>94    /// <typeparam name="TResult">The type of the result value.</typeparam>95    /// <remarks>This type is intended for compiler use rather than use directly in code.</remarks>96    [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]97    public static class TaskCompletionSource<TResult>98    {99#pragma warning disable CA1000 // Do not declare static members on generic types100        /// <summary>101        /// Gets the task created by this task completion source.102        /// </summary>103#pragma warning disable CA1707 // Remove the underscores from member name104#pragma warning disable SA1300 // Element should begin with an uppercase letter105#pragma warning disable IDE1006 // Naming Styles106        public static SystemTasks.Task<TResult> get_Task(SystemTasks.TaskCompletionSource<TResult> tcs)107        {108            var task = tcs.Task;109            CoyoteRuntime.Current?.RegisterKnownControlledTask(task);110            return task;111        }112#pragma warning restore CA1707 // Remove the underscores from member name113#pragma warning restore SA1300 // Element should begin with an uppercase letter114#pragma warning restore IDE1006 // Naming Styles115        /// <summary>116        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.RanToCompletion"/> state.117        /// </summary>118        public static void SetResult(SystemTasks.TaskCompletionSource<TResult> tcs, TResult result) => tcs.SetResult(result);119        /// <summary>120        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state121        /// and binds a collection of exception objects to it.122        /// </summary>123        public static void SetException(SystemTasks.TaskCompletionSource<TResult> tcs,124            IEnumerable<Exception> exceptions) =>125            tcs.SetException(exceptions);126        /// <summary>127        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state128        /// and binds it to a specified exception.129        /// </summary>130        public static void SetException(SystemTasks.TaskCompletionSource<TResult> tcs, Exception exception) =>131            tcs.SetException(exception);132        /// <summary>133        /// Transitions the underlying task into the <see cref="SystemTasks.TaskStatus.Canceled"/> state.134        /// </summary>135        public static void SetCanceled(SystemTasks.TaskCompletionSource<TResult> tcs) => tcs.SetCanceled();136        /// <summary>137        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.RanToCompletion"/> state.138        /// </summary>139        public static bool TrySetResult(SystemTasks.TaskCompletionSource<TResult> tcs, TResult result) =>140            tcs.TrySetResult(result);141        /// <summary>142        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state143        /// and binds it to a specified exception.144        /// </summary>145        public static bool TrySetException(SystemTasks.TaskCompletionSource<TResult> tcs, Exception exception) =>146            tcs.TrySetException(exception);147        /// <summary>148        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Faulted"/> state149        /// and binds a collection of exception objects to it.150        /// </summary>151        public static bool TrySetException(SystemTasks.TaskCompletionSource<TResult> tcs, IEnumerable<Exception> exceptions) =>152            tcs.TrySetException(exceptions);153        /// <summary>154        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Canceled"/> state.155        /// </summary>156        public static bool TrySetCanceled(SystemTasks.TaskCompletionSource<TResult> tcs) => tcs.TrySetCanceled();157        /// <summary>158        /// Attempts to transition the underlying task into the <see cref="SystemTasks.TaskStatus.Canceled"/> state159        /// and enables a cancellation token to be stored in the canceled task.160        /// </summary>161        public static bool TrySetCanceled(SystemTasks.TaskCompletionSource<TResult> tcs,162            SystemCancellationToken cancellationToken) =>163            tcs.TrySetCanceled(cancellationToken);164#pragma warning restore CA1000 // Do not declare static members on generic types165    }166}...

PausedOperationAwaitableTests.cs

Source:PausedOperationAwaitableTests.cs

...18        public void TestPausedOperationAwaitablePersistsOperation()19        {20            this.RunSystematicTest(() =>21            {22                var tcs = new TaskCompletionSource<bool>();23                var task = CoyoteTypes.Threading.Tasks.Task.Run(async () =>24                {25                    var op = CoyoteRuntime.Current.GetExecutingOperation();26                    await CoyoteRuntime.Current.PauseOperationUntilAsync(() => tcs.Task.IsCompleted, false);27                    Specification.Assert(op == CoyoteRuntime.Current.GetExecutingOperation(),28                        "Operation of the continuation is not the same.");29                });30                CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs, true);31                CoyoteTypes.Threading.Tasks.Task.Wait(task);32            },33            configuration: this.GetConfiguration().WithTestingIterations(100));34        }35        [Fact(Timeout = 5000)]36        public void TestPausedOperationAwaitableResumesAsynchronously()37        {38            this.RunSystematicTest(() =>39            {40                var tcs1 = new TaskCompletionSource<bool>();41                var tcs2 = new TaskCompletionSource<bool>();42                var task = CoyoteTypes.Threading.Tasks.Task.Run(async () =>43                {44                    var op = CoyoteRuntime.Current.GetExecutingOperation();45                    CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs2, true);46                    await CoyoteRuntime.Current.PauseOperationUntilAsync(() => tcs1.Task.IsCompleted, true);47                    Specification.Assert(op != CoyoteRuntime.Current.GetExecutingOperation(),48                        "Operation of the continuation is the same.");49                });50                CoyoteRuntime.Current.PauseOperationUntil(default, () => tcs2.Task.IsCompleted);51                CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs1, true);52                CoyoteTypes.Threading.Tasks.Task.Wait(task);53            },54            configuration: this.GetConfiguration().WithTestingIterations(100));55        }56        private static async AsyncTask RecursiveAsync(TaskCompletionSource<bool> tcs, int depth, int maxDepth)57        {58            if (++depth < maxDepth)59            {60                await RecursiveAsync(tcs, depth, maxDepth);61            }62            if (depth == maxDepth)63            {64                await CoyoteRuntime.Current.PauseOperationUntilAsync(() => tcs.Task.IsCompleted, false);65            }66        }67        [Fact(Timeout = 5000)]68        public void TestPausedOperationAwaitableRunsAsynchronously()69        {70            this.RunSystematicTest(() =>71            {72                var tcs1 = new TaskCompletionSource<bool>();73                var tcs2 = new TaskCompletionSource<bool>();74                var task = CoyoteTypes.Threading.Tasks.Task.Run(async () =>75                {76                    var op = CoyoteRuntime.Current.GetExecutingOperation();77                    var t = RecursiveAsync(tcs1, 0, 10);78                    CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs2, true);79                    await t;80                    Specification.Assert(op == CoyoteRuntime.Current.GetExecutingOperation(),81                        "Operation of the continuation is not the same.");82                });83                CoyoteRuntime.Current.PauseOperationUntil(default, () => tcs2.Task.IsCompleted);84                CoyoteTypes.Threading.Tasks.TaskCompletionSource<bool>.SetResult(tcs1, true);85                CoyoteTypes.Threading.Tasks.Task.Wait(task);86            },87            configuration: this.GetConfiguration().WithTestingIterations(100));88        }89    }90}...

TaskCompletionSource

Using AI Code Generation

1{2    {3        public void SetResult(T result) { }4    }5}6{7    {8        public void SetResult(T result) { }9    }10}11{12    {13        public void SetResult(T result) { }14    }15}16{17    {18        public void SetResult(T result) { }19    }20}21{22    {23        public void SetResult(T result) { }24    }25}26{27    {28        public void SetResult(T result) { }29    }30}31{32    {33        public void SetResult(T result) { }34    }35}36{37    {38        public void SetResult(T result) { }39    }40}

TaskCompletionSource

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Rewriting.Types.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            var tcs = new TaskCompletionSource<int>();9            tcs.SetResult(1);10            Task<int> t = tcs.Task;11            int result = t.Result;12            Console.WriteLine(result);13            Console.ReadLine();14        }15    }16}

TaskCompletionSource

Using AI Code Generation

1using Microsoft.Coyote.Rewriting.Types.Threading.Tasks;2using System.Threading.Tasks;3{4    {5        public static void Main()6        {7            TaskCompletionSource tcs = new TaskCompletionSource();8            Task t = tcs.Task;9            tcs.SetResult();10            t.Wait();11        }12    }13}14using System.Threading.Tasks;15{16    {17        public static void Main()18        {19            TaskCompletionSource tcs = new TaskCompletionSource();20            Task t = tcs.Task;21            tcs.SetResult();22            t.Wait();23        }24    }25}26using System.Threading.Tasks.Dataflow;27{28    {29        public static void Main()30        {31            TaskCompletionSource tcs = new TaskCompletionSource();32            Task t = tcs.Task;33            tcs.SetResult();34            t.Wait();35        }36    }37}38using System.Threading.Tasks.Extensions;39{40    {41        public static void Main()42        {43            TaskCompletionSource tcs = new TaskCompletionSource();44            Task t = tcs.Task;45            tcs.SetResult();46            t.Wait();47        }48    }49}50using System.Threading.Tasks.Fakes;51{52    {53        public static void Main()54        {55            TaskCompletionSource tcs = new TaskCompletionSource();56            Task t = tcs.Task;57            tcs.SetResult();58            t.Wait();59        }60    }61}62using System.Threading.Tasks.Parallel;63{64    {65        public static void Main()66        {67            TaskCompletionSource tcs = new TaskCompletionSource();68            Task t = tcs.Task;69            tcs.SetResult();70            t.Wait();71        }72    }73}

TaskCompletionSource

Using AI Code Generation

1{2    private static void Main()3    {4        var tcs = new TaskCompletionSource<int>();5        tcs.SetResult(1);6        var t = tcs.Task;7        t.Wait();8        Console.WriteLine(t.Result);9    }10}11{12    private static void Main()13    {14        var tcs = new TaskCompletionSource<int>();15        tcs.SetResult(1);16        var t = tcs.Task;17        t.Wait();18        Console.WriteLine(t.Result);19    }20}21{22    private static void Main()23    {24        var tcs = new TaskCompletionSource<int>();25        tcs.SetResult(1);26        var t = tcs.Task;27        t.Wait();28        Console.WriteLine(t.Result);29    }30}31{32    private static void Main()33    {34        var tcs = new TaskCompletionSource<int>();35        tcs.SetResult(1);36        var t = tcs.Task;37        t.Wait();38        Console.WriteLine(t.Result);39    }40}41{42    private static void Main()43    {44        var tcs = new TaskCompletionSource<int>();45        tcs.SetResult(1);46        var t = tcs.Task;47        t.Wait();48        Console.WriteLine(t.Result);49    }50}51{52    private static void Main()53    {54        var tcs = new TaskCompletionSource<int>();55        tcs.SetResult(1);56        var t = tcs.Task;57        t.Wait();58        Console.WriteLine(t.Result);59    }60}61{62    private static void Main()63    {64        var tcs = new TaskCompletionSource<int>();65        tcs.SetResult(1);66        var t = tcs.Task;67        t.Wait();68        Console.WriteLine(t.Result);69    }70}

TaskCompletionSource

Using AI Code Generation

1using System.Threading.Tasks;2using Microsoft.Coyote.Rewriting.Types.Threading.Tasks;3{4    {5        static void Main(string[] args)6        {7            TaskCompletionSource<int> tcs = new TaskCompletionSource<int>();8            Task t = new Task(() => tcs.SetResult(42));9            t.Start();10            int result = tcs.Task.Result;11            System.Console.WriteLine("Result: {0}", result);12        }13    }14}15using System.Threading.Tasks;16{17    {18        static void Main(string[] args)19        {20            TaskCompletionSource<int> tcs = new TaskCompletionSource<int>();21            Task t = new Task(() => tcs.SetResult(42));22            t.Start();23            int result = tcs.Task.Result;24            System.Console.WriteLine("Result: {0}", result);25        }26    }27}

TaskCompletionSource

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Coyote.Rewriting.Types.Threading.Tasks;4{5    {6        public static void Main(string[] args)7        {8            var tcs = new TaskCompletionSource<int>();9            var task = tcs.Task;10            var continuation = task.ContinueWith(t => Console.WriteLine(t.Result));11            tcs.SetResult(42);12            continuation.Wait();13        }14    }15}16using System;17using System.Threading.Tasks;18using Microsoft.Coyote.Rewriting.Types.Threading.Tasks;19{20    {21        public static void Main(string[] args)22        {23            var tcs = new TaskCompletionSource<int>();24            var task = tcs.Task;25            var continuation = task.ContinueWith(t => Console.WriteLine(t.Result));26            tcs.SetResult(42);27            continuation.Wait();28        }29    }30}31using System;32using System.Threading.Tasks;33using Microsoft.Coyote.Rewriting.Types.Threading.Tasks;34{35    {36        public static void Main(string[] args)37        {38            var tcs = new TaskCompletionSource<int>();39            var task = tcs.Task;40            var continuation = task.ContinueWith(t => Console.WriteLine(t.Result));41            tcs.SetResult(42);42            continuation.Wait();43        }44    }45}46using System;47using System.Threading.Tasks;48using Microsoft.Coyote.Rewriting.Types.Threading.Tasks;49{50    {51        public static void Main(string[] args)52        {53            var tcs = new TaskCompletionSource<int>();54            var task = tcs.Task;55            var continuation = task.ContinueWith(t => Console.WriteLine(t.Result));56            tcs.SetResult(42);57            continuation.Wait();58        }59    }60}

TaskCompletionSource

Using AI Code Generation

1{2    {3        static void Main(string[] args)4        {5            var tcs = new TaskCompletionSource<int>();6            var task = tcs.Task;7            var task2 = Task.Run(() =>8            {9                var t = Task.Delay(1000);10                t.Wait();11                tcs.SetResult(5);12            });13            var t = Task.WhenAll(task, task2);14            t.Wait();15            Console.WriteLine(task.Result);16        }17    }18}

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