mcs/tests/test-async-32.cs

   1 using System;
   2 using System.Threading;
   3 using System.Threading.Tasks;
   4
   5 class Program
   6 {
   7         static async Task<int> TestCanceled()
   8         {
   9                 await Task.FromResult(1);
  10                 throw new OperationCanceledException();
  11         }
  12
  13         static async Task TestCanceled_2()
  14         {
  15                 await Task.FromResult(1);
  16                 throw new OperationCanceledException();
  17         }
  18
  19         static async Task<int> TestException()
  20         {
  21                 await Task.FromResult(1);
  22                 throw new ApplicationException();
  23         }
  24
  25         static int Main()
  26         {
  27                 bool canceled = false;
  28                 var t = TestCanceled().ContinueWith(l =>
  29                 {
  30                         canceled = l.IsCanceled;
  31                 }, TaskContinuationOptions.ExecuteSynchronously);
  32
  33                 t.Wait();
  34
  35                 if (!canceled)
  36                         return 1;
  37
  38                 if (t.Exception != null)
  39                         return 2;
  40
  41                 t = TestCanceled_2().ContinueWith(l =>
  42                 {
  43                         canceled = l.IsCanceled;
  44                 }, TaskContinuationOptions.ExecuteSynchronously);
  45
  46                 t.Wait();
  47
  48                 if (!canceled)
  49                         return 11;
  50
  51                 if (t.Exception != null)
  52                         return 12;
  53
  54                 bool faulted = false;
  55                 bool has_exception = false;
  56                 t = TestException().ContinueWith(l =>
  57                 {
  58                         faulted = l.IsFaulted;
  59                         has_exception = l.Exception != null; // Has to observe it or will throw on shutdown
  60                 }, TaskContinuationOptions.ExecuteSynchronously);
  61
  62                 if (!faulted)
  63                         return 21;
  64
  65                 if (!has_exception)
  66                         return 22;
  67
  68                 if (t.Exception != null)
  69                         return 23;
  70
  71                 Console.WriteLine("ok");
  72                 return 0;
  73         }
  74 }