mcs/tests/test-async-77.cs

   1 using System;
   2 using System.Threading.Tasks;
   3
   4 public class Class1
   5 {
   6         protected void InvokeAction (Action action)
   7         {
   8                 action ();
   9         }
  10
  11         public void Bar()
  12         {
  13         }
  14
  15         async Task Test ()
  16         {
  17                 Task.Run(async () =>
  18                         {
  19                                 var implementor = ServiceLocator.GetImplementor<IInterface1> ();
  20                                 string message = null;
  21                                 bool result = await implementor.Foo ((s) => message = s);
  22
  23                                 InvokeAction (() => Bar ());
  24                         }).Wait ();
  25         }
  26
  27         interface IInterface1
  28         {
  29                 Task<bool> Foo(Action<string> action);
  30         }
  31
  32         class CIInterface1 : IInterface1
  33         {
  34                 public Task<bool> Foo (Action<string> action)
  35                 {
  36                         action ("msg");
  37                         return Task.FromResult (false);
  38                 }
  39         }
  40
  41         static class ServiceLocator
  42         {
  43                 public static TService GetImplementor<TService>() where TService : class
  44                 {
  45                         return (TService) (object) new CIInterface1 ();
  46                 }
  47         }
  48
  49         public static void Main ()
  50         {
  51                 new Class1 ().Test ().Wait ();
  52         }
  53 }
  54