mono/tests/bug-58782-capture-and-throw.cs

   1 using System;
   2 using System.Runtime.InteropServices;
   3
   4 class Driver
   5 {
   6         [DllImport ("libtest")]
   7         static extern void mono_test_native_to_managed_exception_rethrow (Action action);
   8
   9         [DllImport ("libc")]
  10         static extern void _exit (int exitCode);
  11
  12         static int Main (string[] args)
  13         {
  14                 AppDomain.CurrentDomain.UnhandledException += (sender, exception_args) =>
  15                 {
  16                         CustomException exc = exception_args.ExceptionObject as CustomException;
  17                         if (exc == null) {
  18                                 Console.WriteLine ($"FAILED - Unknown exception: {exception_args.ExceptionObject}");
  19                                 _exit (1);
  20                         }
  21
  22                         Console.WriteLine (exc.StackTrace);
  23                         if (string.IsNullOrEmpty (exc.StackTrace)) {
  24                                 Console.WriteLine ("FAILED - StackTrace is null for unhandled exception.");
  25                                 _exit (2);
  26                         } else {
  27                                 Console.WriteLine ("SUCCESS - StackTrace is not null for unhandled exception.");
  28                                 _exit (0);
  29                         }
  30                 };
  31
  32                 mono_test_native_to_managed_exception_rethrow (CaptureAndThrow);
  33                 Console.WriteLine ("Should have exited in the UnhandledException event handler.");
  34                 return 2;
  35         }
  36
  37         static void CaptureAndThrow ()
  38         {
  39                 try {
  40                         Throw ();
  41                 } catch (Exception e) {
  42                         System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture (e).Throw ();
  43                 }
  44         }
  45
  46         static void Throw ()
  47         {
  48                 throw new CustomException ("C");
  49         }
  50
  51         class CustomException : Exception
  52         {
  53                 public CustomException(string s) : base(s) {}
  54         }
  55 }