mcs/tests/test-async-21.cs

   1 // Compiler options: -langversion:future
   2
   3 using System;
   4 using System.Threading.Tasks;
   5
   6 class S
   7 {
   8         public A GetAwaiter ()
   9         {
  10                 return new A ();
  11         }
  12 }
  13
  14 class A
  15 {
  16         bool IsCompleted {
  17                 get {
  18                         return false;
  19                 }
  20         }
  21
  22         void OnCompleted (System.Action a)
  23         {
  24                 a ();
  25         }
  26
  27         int GetResult ()
  28         {
  29                 return 3;
  30         }
  31
  32         static async Task<int> Test1 ()
  33         {
  34                 dynamic d = new S ();
  35                 return await d;
  36         }
  37
  38         public static int Main ()
  39         {
  40                 var r = Test1 ();
  41                 if (!Task.WaitAll (new [] { r }, 1000))
  42                         return 1;
  43
  44                 Console.WriteLine ("ok");
  45                 return 0;
  46         }
  47 }