mono/tests/bug-415577.cs

   1 using System;
   2 using System.Threading;
   3 using System.Runtime.Remoting;
   4 using System.Runtime.Remoting.Activation;
   5 using System.Runtime.Remoting.Contexts;
   6 using System.Runtime.Remoting.Messaging;
   7
   8 public class MyContextAttribute: Attribute, IContextAttribute  {
   9         public void GetPropertiesForNewContext (IConstructionCallMessage msg)
  10         {
  11         }
  12
  13         public bool IsContextOK (Context ctx, IConstructionCallMessage msg)
  14         {
  15                 return false;
  16         }
  17 }
  18
  19 // CBO class whose objects are always in the correct context
  20 class UnlockedCbo : ContextBoundObject {
  21         public int Counter;
  22
  23
  24         void Inc (ref int a)
  25         {
  26                 a++;
  27         }
  28
  29         public void Inc ()
  30         {
  31                 Inc (ref Counter);
  32         }
  33 }
  34
  35 // CBO class whose objects are always out of context
  36 [MyContext]
  37 class LockedCbo : UnlockedCbo {
  38 }
  39
  40 class Mbr : MarshalByRefObject {
  41         public int Counter;
  42
  43         void Inc (ref int a)
  44         {
  45                 a++;
  46         }
  47
  48         public void Inc ()
  49         {
  50                 Inc (ref Counter);
  51         }
  52 }
  53
  54 class Test {
  55         static int Main ()
  56         {
  57                 // warning CS0197 is expected several times
  58
  59                 UnlockedCbo uc = new UnlockedCbo ();
  60                 Interlocked.Increment (ref uc.Counter);
  61                 uc.Inc ();
  62
  63                 LockedCbo lc = new LockedCbo ();
  64                 try {
  65                         Interlocked.Increment (ref lc.Counter);
  66                         return 1;
  67                 } catch (InvalidOperationException) {
  68                 }
  69
  70                 lc.Inc ();
  71
  72                 if (lc.Counter != 1)
  73                         return 2;
  74
  75                 Mbr m = new Mbr ();
  76                 Interlocked.Increment (ref m.Counter);
  77                 m.Inc ();
  78
  79                 if (m.Counter != 2)
  80                         return 3;
  81
  82                 Mbr rm = (Mbr) CreateRemote (typeof (Mbr));
  83                 try {
  84                         Interlocked.Increment (ref rm.Counter);
  85                         return 4;
  86                 } catch (InvalidOperationException) {
  87                 }
  88
  89                 rm.Inc ();
  90
  91                 if (rm.Counter != 1)
  92                         return 5;
  93
  94                 return 0;
  95         }
  96
  97         static object CreateRemote (Type t)
  98         {
  99                 AppDomain d = AppDomain.CreateDomain ("foo");
 100                 return d.CreateInstanceAndUnwrap (t.Assembly.FullName, t.FullName);
 101         }
 102 }