mcs/tests/test-ex-filter-05.cs

   1 using System;
   2 using System.Threading.Tasks;
   3
   4 class Test
   5 {
   6         static bool Verify (Func<bool> f)
   7         {
   8                 return f ();
   9         }
  10
  11         static async Task<int> TestCapturedException (Exception e)
  12         {
  13                 try {
  14                         if (e != null)
  15                                 throw e;
  16                 } catch (Exception ex) when (Verify (() => ex.Message == "foo")) {
  17                         await Task.Yield ();
  18                         Console.WriteLine (ex);
  19                         return 1;
  20                 } catch (Exception ex) when (Verify (() => ex.Message != null)) {
  21                         await Task.Yield ();
  22                         Console.WriteLine (ex);
  23                         return 2;
  24                 }
  25
  26                 return 3;
  27         }
  28
  29         public static int Main()
  30         {
  31                 if (TestCapturedException (null).Result != 3)
  32                         return 1;
  33
  34                 var ex = new ApplicationException ();
  35                 if (TestCapturedException (ex).Result != 2)
  36                         return 2;
  37
  38                 return 0;
  39         }
  40 }