mcs/tests/test-async-21.cs

   1 using System;
   2 using System.Threading.Tasks;
   3 using System.Runtime.CompilerServices;
   4
   5 class S
   6 {
   7         public A GetAwaiter ()
   8         {
   9                 return new A ();
  10         }
  11 }
  12
  13 class A : INotifyCompletion
  14 {
  15         bool IsCompleted {
  16                 get {
  17                         return false;
  18                 }
  19         }
  20
  21         void INotifyCompletion.OnCompleted (Action a)
  22         {
  23                 a ();
  24         }
  25
  26         int GetResult ()
  27         {
  28                 return 3;
  29         }
  30
  31         static async Task<int> Test1 ()
  32         {
  33                 dynamic d = new S ();
  34                 return await d;
  35         }
  36
  37         public static int Main ()
  38         {
  39                 var r = Test1 ();
  40                 if (!Task.WaitAll (new [] { r }, 1000))
  41                         return 1;
  42
  43                 Console.WriteLine ("ok");
  44                 return 0;
  45         }
  46 }