mcs/tests/test-async-63.cs

   1 using System;
   2 using System.Threading.Tasks;
   3
   4 class C
   5 {
   6         static int counter;
   7         public static async Task TestSingleAwait (bool throwException)
   8         {
   9                 try {
  10                         if (throwException)
  11                                 throw new ApplicationException ();
  12                 } catch (ApplicationException ex) {
  13                         Console.WriteLine ("x1a");
  14                         ++counter;
  15                         await Call ();
  16                         Console.WriteLine ("x2a");
  17                         ++counter;
  18                 } catch {
  19                         throw;
  20                 }
  21
  22                 Console.WriteLine ("end");
  23         }
  24
  25         public static async Task TestDoubleAwait (bool throwException)
  26         {
  27                 try {
  28                         if (throwException)
  29                                 throw new ApplicationException ();
  30                 } catch (ApplicationException ex) {
  31                         Console.WriteLine ("x1a");
  32                         ++counter;
  33                         await Call ();
  34                         Console.WriteLine ("x2a");
  35                         ++counter;
  36                 } catch {
  37                         Console.WriteLine ("x1b");
  38                         counter += 4;
  39                         await Call ();
  40                         Console.WriteLine ("x2b");
  41                         counter += 7;
  42                 }
  43
  44                 Console.WriteLine ("end");
  45         }
  46
  47         static Task Call ()
  48         {
  49                 return Task.Factory.StartNew (() => false);
  50         }
  51
  52         void HH ()
  53         {
  54                 try {
  55                                 throw new ApplicationException ();
  56                 } catch {
  57                         throw;
  58                 }
  59         }
  60
  61         public static int Main ()
  62         {
  63                 TestSingleAwait (true).Wait ();
  64                 Console.WriteLine (counter);
  65                 if (counter != 2)
  66                         return 1;
  67
  68                 TestSingleAwait (false).Wait ();
  69                 if (counter != 2)
  70                         return 2;
  71
  72                 counter = 0;
  73
  74                 TestDoubleAwait (true).Wait ();
  75                 Console.WriteLine (counter);
  76                 if (counter != 2)
  77                         return 3;
  78
  79                 TestDoubleAwait (false).Wait ();
  80                 if (counter != 2)
  81                         return 4;
  82
  83                 return 0;
  84         }
  85 }