mcs/tests/test-async-33.cs

   1 using System;
   2 using System.Threading;
   3 using System.Threading.Tasks;
   4
   5 class A
   6 {
   7         public virtual Task<int> Foo (int value)
   8         {
   9                 return Task.FromResult (value);
  10         }
  11
  12         public virtual Task<int> Prop { get; set; }
  13 }
  14
  15 class B : A
  16 {
  17         public override Task<int> Prop {
  18                 get {
  19                         throw new ApplicationException ();
  20                 }
  21                 set {
  22                         throw new ApplicationException ();
  23                 }
  24         }
  25
  26         public override async Task<int> Foo (int value)
  27         {
  28                 return await base.Foo (value) + 1;
  29         }
  30
  31         public async Task<int> Foo2 (int value)
  32         {
  33                 base.Prop = Task.FromResult (value);
  34                 return await base.Prop;
  35         }
  36 }
  37
  38 class Program
  39 {
  40         public static int Main()
  41         {
  42                 var b = new B ();
  43                 if (b.Foo (3).Result != 4)
  44                         return 1;
  45
  46                 if (b.Foo2 (5).Result != 5)
  47                         return 2;
  48
  49                 Console.WriteLine("ok");
  50                 return 0;
  51         }
  52 }