mono/tests/cas/threads/tpool1.cs

   1 using System;
   2 using System.Security;
   3 using System.Security.Permissions;
   4 using System.Threading;
   5
   6 class Program {
   7
   8         static void ShowStackTrace (object o)
   9         {
  10                 if (debug)
  11                         Console.WriteLine ((int)o);
  12
  13                 try {
  14                         Console.WriteLine (Environment.UserName);
  15                         result = 1;
  16                 }
  17                 catch (SecurityException se) {
  18                         if (debug)
  19                                 Console.WriteLine ("EXPECTED SecurityException {0}", se);
  20                 }
  21                 catch (Exception ex) {
  22                         Console.WriteLine ("UNEXPECTED {0}", ex);
  23                         result = 1;
  24                 }
  25         }
  26
  27         static bool debug;
  28         static int result = 0;
  29
  30         // this Deny will prevent the Environment.UserName property from working
  31         [EnvironmentPermission (SecurityAction.Deny, Read = "USERNAME")]
  32         static int Main (string[] args)
  33         {
  34                 debug = (args.Length > 0);
  35                 if (debug) {
  36                         SecurityManager.SecurityEnabled = (args [0] != "off");
  37                 }
  38
  39                 if (SecurityManager.SecurityEnabled) {
  40                         Console.WriteLine ("SecurityManager.SecurityEnabled: true");
  41                         ShowStackTrace ((object)-1);
  42                 } else {
  43                         Console.WriteLine ("SecurityManager.SecurityEnabled: false");
  44                 }
  45
  46                 result = 0;
  47                 for (int i=0; i < 5; i++)
  48                         ThreadPool.QueueUserWorkItem (new WaitCallback (ShowStackTrace), i);
  49
  50                 System.Threading.Thread.Sleep (5000);
  51                 return result;
  52         }
  53 }