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using System;
using System.Threading;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Activation;
using System.Runtime.Remoting.Contexts;
using System.Runtime.Remoting.Messaging;
public class MyContextAttribute: Attribute, IContextAttribute {
public void GetPropertiesForNewContext (IConstructionCallMessage msg)
{
}
public bool IsContextOK (Context ctx, IConstructionCallMessage msg)
{
return false;
}
}
// CBO class whose objects are always in the correct context
class UnlockedCbo : ContextBoundObject {
public int Counter;
void Inc (ref int a)
{
a++;
}
public void Inc ()
{
Inc (ref Counter);
}
}
// CBO class whose objects are always out of context
[MyContext]
class LockedCbo : UnlockedCbo {
}
class Mbr : MarshalByRefObject {
public int Counter;
void Inc (ref int a)
{
a++;
}
public void Inc ()
{
Inc (ref Counter);
}
}
class Test {
static int Main ()
{
// warning CS0197 is expected several times
UnlockedCbo uc = new UnlockedCbo ();
Interlocked.Increment (ref uc.Counter);
uc.Inc ();
LockedCbo lc = new LockedCbo ();
try {
Interlocked.Increment (ref lc.Counter);
return 1;
} catch (InvalidOperationException) {
}
lc.Inc ();
if (lc.Counter != 1)
return 2;
Mbr m = new Mbr ();
Interlocked.Increment (ref m.Counter);
m.Inc ();
if (m.Counter != 2)
return 3;
Mbr rm = (Mbr) CreateRemote (typeof (Mbr));
try {
Interlocked.Increment (ref rm.Counter);
return 4;
} catch (InvalidOperationException) {
}
rm.Inc ();
if (rm.Counter != 1)
return 5;
return 0;
}
static object CreateRemote (Type t)
{
AppDomain d = AppDomain.CreateDomain ("foo");
return d.CreateInstanceAndUnwrap (t.Assembly.FullName, t.FullName);
}
}
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