mono/tests/finally_guard.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Reflection;
   4 using System.Threading;
   5 using System.Runtime.CompilerServices;
   6
   7
   8 class Driver {
   9         static int result;
  10         static bool finally_done;
  11         static ManualResetEvent handle;
  12         static Thread thread;
  13         static object broken;
  14
  15         [MethodImplAttribute (MethodImplOptions.NoInlining)]
  16         static void ThrowE () {
  17                 broken.ToString ();
  18         }
  19
  20         static bool InterruptRequested () {
  21                 return (Thread.CurrentThread.ThreadState & ThreadState.AbortRequested) == ThreadState.AbortRequested;
  22         }
  23
  24         [MethodImplAttribute (MethodImplOptions.NoInlining)]
  25         public static void SleepLoop () {
  26                 for (int i = 0; i < 10; ++i) {
  27                         Console.WriteLine ("step {0} - {1}", i, Thread.CurrentThread.ThreadState);
  28                         if (InterruptRequested ())
  29                                 break;
  30                         Thread.Sleep (100);
  31                 }
  32
  33                 if (!InterruptRequested ())
  34                         result |= 0x1;
  35
  36                 try {
  37                         ThrowE ();
  38                 } catch (Exception e) {
  39                         Console.WriteLine ("caught/0 {0} from inside the prot block", e.GetType ());
  40                         if (!(e is NullReferenceException))
  41                                 result |= 0x2;
  42                 }
  43         }
  44
  45         [MethodImplAttribute (MethodImplOptions.NoInlining)]
  46         public static void CancelAbort () {
  47                 object lk = new object ();
  48                 Console.WriteLine ("step 0 - {0}", Thread.CurrentThread.ThreadState);
  49                 //lock (lk) { Monitor.Wait (lk, 100); }
  50                 Console.WriteLine ("step 1 - {0}", Thread.CurrentThread.ThreadState);
  51                 Thread.ResetAbort ();
  52         }
  53
  54         /////////////////////////////////////////////////////
  55         [MethodImplAttribute (MethodImplOptions.NoInlining)]
  56         static void InnerFromEH0 () {
  57                 thread = Thread.CurrentThread;
  58                 MethodInfo mi = typeof (Driver).GetMethod ("SleepLoop");
  59                 try {
  60                         try {
  61                                 throw new ArgumentException ();
  62                         } finally {
  63                                 handle.Set ();
  64                                 SleepLoop ();
  65                                 Console.WriteLine ("done");
  66                                 finally_done = true;
  67                         }
  68                         Console.WriteLine ("After finally");
  69                         result |= 0x10;
  70                 } catch (Exception e) {
  71                         if (!(e is ArgumentException))
  72                                 result |= 0x4;
  73                         Console.WriteLine ("caught/1 a {0} while on {1} res {2}", e.GetType (), Thread.CurrentThread.ThreadState, result);
  74                 }
  75         }
  76
  77         [MethodImplAttribute (MethodImplOptions.NoInlining)]
  78         static void GuardFromEH0 () {
  79                 try {
  80                         InnerFromEH0 ();
  81                 } catch (Exception e) {
  82                         if (!(e is ThreadAbortException))
  83                                 result |= 0x8;
  84                         Console.WriteLine ("caught/2 a {0} while on {1} res {2}", e.GetType (), Thread.CurrentThread.ThreadState, result);
  85                 }
  86         }
  87
  88
  89         public static int test_0_abort_finally_after_throw () {
  90                 finally_done = false;
  91                 result = 0;
  92                 Action ac = GuardFromEH0;
  93                 handle = new ManualResetEvent (false);
  94                 var res = ac.BeginInvoke (null, null);
  95                 handle.WaitOne ();
  96                 Console.WriteLine ("aborting");
  97                 thread.Abort ();
  98                 Console.WriteLine ("aborted");
  99                 res.AsyncWaitHandle.WaitOne ();
 100                 Console.WriteLine ("waited");
 101                 if (!finally_done)
 102                         result |= 0x100;
 103                 return result;
 104         }
 105
 106         /////////////////////////////////////////////////////
 107
 108         [MethodImplAttribute (MethodImplOptions.NoInlining)]
 109         static void InnerFromEH1 () {
 110                 thread = Thread.CurrentThread;
 111                 MethodInfo mi = typeof (Driver).GetMethod ("SleepLoop");
 112                 try {
 113                         try {
 114                                 throw new ArgumentException ();
 115                         } finally {
 116                                 handle.Set ();
 117                                 SleepLoop ();
 118                                 CancelAbort ();
 119                                 Console.WriteLine ("done");
 120                                 finally_done = true;
 121                         }
 122                         Console.WriteLine ("After finally");
 123                         result |= 0x10;
 124                 } catch (Exception e) {
 125                         if (!(e is ArgumentException))
 126                                 result |= 0x4;
 127                         Console.WriteLine ("caught/3 a {0} while on {1} res {2}", e.GetType (), Thread.CurrentThread.ThreadState, result);
 128                 }
 129         }
 130
 131         [MethodImplAttribute (MethodImplOptions.NoInlining)]
 132         static void GuardFromEH1 () {
 133                 try {
 134                         InnerFromEH1 ();
 135                 } catch (Exception e) {
 136                         result |= 0x8;
 137                         Console.WriteLine ("caught/4 a {0} while on {1}", e.GetType (), Thread.CurrentThread.ThreadState);
 138                 }
 139         }
 140
 141         public static int test_0_abort_finally_and_cancel () {
 142                 finally_done = false;
 143                 result = 0;
 144                 Action ac = GuardFromEH1;
 145                 handle = new ManualResetEvent (false);
 146                 var res = ac.BeginInvoke (null, null);
 147                 handle.WaitOne ();
 148                 Console.WriteLine ("aborting");
 149                 thread.Abort ();
 150                 Console.WriteLine ("aborted");
 151                 res.AsyncWaitHandle.WaitOne ();
 152                 Console.WriteLine ("waited");
 153                 if (!finally_done)
 154                         result |= 0x100;
 155                 return result;
 156         }
 157
 158         /////////////////////////////////////////////////////
 159
 160         [MethodImplAttribute (MethodImplOptions.NoInlining)]
 161         static void InnerFromEH () {
 162                 thread = Thread.CurrentThread;
 163                 MethodInfo mi = typeof (Driver).GetMethod ("SleepLoop");
 164                 try {
 165                         try {
 166                                 Console.WriteLine ("try block");
 167                         } finally {
 168                                 handle.Set ();
 169                                 SleepLoop ();
 170                                 Console.WriteLine ("done");
 171                                 finally_done = true;
 172                         }
 173                         Console.WriteLine ("After finally");
 174                         result |= 0x10;
 175                 } catch (Exception e) {
 176                         if (!(e is ThreadAbortException))
 177                                 result |= 0x4;
 178                         Console.WriteLine ("caught/5 a {0} while on {1} res {2}", e.GetType (), Thread.CurrentThread.ThreadState, result);
 179                 }
 180         }
 181
 182         [MethodImplAttribute (MethodImplOptions.NoInlining)]
 183         static void GuardFromEH () {
 184                 try {
 185                         InnerFromEH ();
 186                 } catch (Exception e) {
 187                         if (!(e is ThreadAbortException))
 188                                 result |= 0x8;
 189                         Console.WriteLine ("caught/6 a {0} while on {1} res {2}", e.GetType (), Thread.CurrentThread.ThreadState, result);
 190                 }
 191         }
 192
 193
 194         public static int test_0_finally_after_try () {
 195                 AppDomain.CurrentDomain.UnhandledException += (obj, sender) => {
 196                         Console.WriteLine ("Unhandled {0}",  sender.ExceptionObject);
 197                 };
 198
 199                 finally_done = false;
 200                 result = 0;
 201                 Action ac = GuardFromEH;
 202                 handle = new ManualResetEvent (false);
 203                 var res = ac.BeginInvoke (null, null);
 204                 handle.WaitOne ();
 205                 Console.WriteLine ("aborting");
 206                 thread.Abort ();
 207                 Console.WriteLine ("aborted");
 208                 res.AsyncWaitHandle.WaitOne ();
 209                 Console.WriteLine ("waited");
 210                 if (!finally_done)
 211                         result |= 0x100;
 212                 return result;
 213         }
 214         /////////////////////////////////////////////////////
 215
 216         static int Main (string[] args)
 217         {
 218                 AppDomain.CurrentDomain.UnhandledException += (obj, sender) => {
 219                         Console.WriteLine ("Unhandled {0}",  sender.ExceptionObject);
 220                 };
 221
 222                 return TestDriver.RunTests (typeof (Driver), args);
 223         }
 224 }
 225
 226