mono/tests/exception18.cs

   1 using System;
   2
   3 class C
   4 {
   5         static Exception e;
   6
   7         static void Throw ()
   8         {
   9                 try {
  10                         int.Parse (null);
  11                 } catch (Exception ex) {
  12                         e = ex;
  13                 }
  14         }
  15
  16         static int FrameCount (Exception ex)
  17         {
  18                         string fullTrace = ex.StackTrace;
  19                         string[] frames = fullTrace.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
  20                         return frames.Length;
  21         }
  22
  23         public static void Main ()
  24         {
  25                 Throw ();
  26
  27                 try {
  28                         throw e;
  29                 } catch (Exception ex) {
  30                         int frames = FrameCount (ex);
  31                         if (frames != 1)
  32                                 throw new Exception (String.Format("Exception carried {0} frames along with it when it should have reported one.", frames));
  33                 }
  34
  35                 try {
  36                         try {
  37                                 int.Parse (null);
  38                         } catch (Exception) {
  39                                 throw;
  40                         }
  41                 } catch (Exception ex) {
  42                         int frames = FrameCount (ex);
  43                         if (frames != 4)
  44                                 throw new Exception (String.Format("Exception carried {0} frames along with it when it should have reported four.", frames));
  45                 }
  46
  47         }
  48 }