mcs/tests/test-async-30.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Threading.Tasks;
   4
   5 class C
   6 {
   7         private IEnumerable<string> Test (string s)
   8         {
   9                 Func<Task<string>> a = async () => await Task.FromResult(s + "a");
  10                 yield return a ().Result;
  11         }
  12
  13         private IEnumerable<string> Test2 ()
  14         {
  15                 var s = "bb";
  16                 Func<Task<string>> a = async () => await Task.FromResult(s + "a");
  17                 yield return a ().Result;
  18         }
  19
  20         public static int Main ()
  21         {
  22                 var c = new C ();
  23                 string res = "";
  24                 foreach (var e in c.Test ("tt"))
  25                         res += e;
  26
  27                 if (res != "tta")
  28                         return 1;
  29
  30                 res = "";
  31                 foreach (var e in c.Test2 ())
  32                         res += e;
  33
  34                 if (res != "bba")
  35                         return 2;
  36
  37                 return 0;
  38         }
  39 }