mcs/tests/test-async-94.cs

   1 using System;
   2 using System.Threading.Tasks;
   3 using System.Runtime.CompilerServices;
   4
   5 [AsyncMethodBuilder (typeof(MyTaskMethodBuilder<>))]
   6 class MyTask<T>
   7 {
   8 }
   9
  10 [AsyncMethodBuilder (typeof(MyTaskMethodBuilder))]
  11 class MyTask
  12 {
  13 }
  14
  15 class MyTaskMethodBuilder
  16 {
  17         public static MyTaskMethodBuilder Create()
  18         {
  19                 return null;
  20         }
  21
  22         public MyTask Task {
  23                 get {
  24                         return null;
  25                 }
  26         }
  27
  28         public void SetException (Exception exception)
  29         {
  30
  31         }
  32
  33         public void SetResult ()
  34         {
  35
  36         }
  37
  38         public void AwaitOnCompleted<TAwaiter, TStateMachine> (ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : INotifyCompletion where TStateMachine : IAsyncStateMachine
  39         {
  40
  41         }
  42
  43         public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine> (ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : ICriticalNotifyCompletion where TStateMachine : IAsyncStateMachine
  44         {
  45
  46         }
  47
  48         public void Start<TStateMachine> (ref TStateMachine stateMachine) where TStateMachine : IAsyncStateMachine
  49         {
  50
  51         }
  52
  53         public void SetStateMachine (IAsyncStateMachine stateMachine)
  54         {
  55
  56         }
  57 }
  58
  59 class MyTaskMethodBuilder<T>
  60 {
  61         public static MyTaskMethodBuilder<T> Create()
  62         {
  63                 return null;
  64         }
  65
  66         public MyTask<T> Task {
  67                 get {
  68                         return null;
  69                 }
  70         }
  71
  72         public void SetException (Exception exception)
  73         {
  74
  75         }
  76
  77         public void SetResult (T result)
  78         {
  79
  80         }
  81
  82         public void AwaitOnCompleted<TAwaiter, TStateMachine> (ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : INotifyCompletion where TStateMachine : IAsyncStateMachine
  83         {
  84
  85         }
  86
  87         public void AwaitUnsafeOnCompleted<TAwaiter, TStateMachine> (ref TAwaiter awaiter, ref TStateMachine stateMachine) where TAwaiter : ICriticalNotifyCompletion where TStateMachine : IAsyncStateMachine
  88         {
  89
  90         }
  91
  92         public void Start<TStateMachine> (ref TStateMachine stateMachine) where TStateMachine : IAsyncStateMachine
  93         {
  94
  95         }
  96
  97         public void SetStateMachine (IAsyncStateMachine stateMachine)
  98         {
  99
 100         }
 101 }
 102
 103 class X
 104 {
 105         public async MyTask Test ()
 106         {
 107                 await Task.Delay (1);
 108         }
 109
 110         public async MyTask<int> Test2 ()
 111         {
 112                 await Task.Delay (1);
 113                 return 2;
 114         }
 115
 116         public async ValueTask<string> Test3 ()
 117         {
 118                 await Task.Delay (1);
 119                 return "as";
 120         }
 121
 122         public static void Main ()
 123         {
 124                 var x = new X ();
 125                 var r1 = x.Test3 ().Result;
 126         }
 127 }