mcs/tests/test-async-68.cs

   1 using System.Threading.Tasks;
   2
   3 class X
   4 {
   5         public async Task ReturnsTaskAsync (Task task)
   6         {
   7                 await task;
   8         }
   9
  10         public async Task<Task> ReturnsTaskOfTaskAsync ()
  11         {
  12                 var t1 = Task.FromResult (ReturnsTaskAsync (null));
  13                 await t1;
  14                 Task<Task> t2 = Task.FromResult (ReturnsTaskAsync (null));
  15                 return t2;
  16         }
  17
  18         public static void Main ()
  19         {
  20                 new X ().ReturnsTaskOfTaskAsync ().Wait ();
  21         }
  22 }