mcs/tests/test-async-35.cs

   1 using System;
   2 using System.Reflection;
   3 using System.Threading.Tasks;
   4 using System.Runtime.CompilerServices;
   5 using System.Linq;
   6
   7 namespace N.M
   8 {
   9         class C
  10         {
  11                 public static async Task<int> AsyncMethod ()
  12                 {
  13                         await Task.Delay (1);
  14                         return 0;
  15                 }
  16
  17                 static int Main ()
  18                 {
  19                         var m = typeof (C).GetMethod ("AsyncMethod");
  20                         var attr = m.GetCustomAttribute<AsyncStateMachineAttribute> ();
  21                         if (attr == null)
  22                                 return 1;
  23
  24                         if (attr.StateMachineType == null)
  25                                 return 2;
  26
  27                         Func<Task<int>> a = async () => await AsyncMethod ();
  28
  29                         var c = typeof (C).GetMethods (BindingFlags.NonPublic | BindingFlags.Static).Where (l =>
  30                                 l.IsDefined (typeof (AsyncStateMachineAttribute))).Count ();
  31
  32                         if (c != 1)
  33                                 return 3;
  34
  35                         return 0;
  36                 }
  37         }
  38 }