I ran it on .NET 4 under vs2010 and the code does not work at all.
Interestingly - for completely different reasons:
Unhandled Exception: System.TypeInitializationException: The type
initializer for 'ConsoleApplication9.Program' threw an exception. --->
System.TypeInitializationException: The type initializer for
'Castle.DynamicProxy.Generators.Emitters.StrongNameUtil' threw an
exception. ---> System.NotSupportedException: The Deny stack modifier
has been obsoleted by the .NET Framework. Please see
http://go.microsoft.com/fwlink/?LinkId=155571 for more information.
at System.Security.CodeAccessSecurityEngine.Check(Object demand,
StackCrawlMark& stackMark, Boolean isPermSet)
at
System.Security.CodeAccessSecurityEngine.Check(CodeAccessPermission cap,
StackCrawlMark& stackMark)
at System.Security.CodeAccessPermission.Demand()
at Castle.DynamicProxy.Generators.Emitters.StrongNameUtil..cctor()
in
c:\TeamCity\buildAgent\work\f0c43d96621436a8\src\Castle.Core\DynamicProxy\Generators\Emitters\StrongNameUtil.cs:line
40
--- End of inner exception stack trace ---
at
Castle.DynamicProxy.Generators.Emitters.StrongNameUtil.get_CanStrongNameAssembly()
at ConsoleApplication9.Program.tuneDynamicProxy() in
c:\users\xtoff\documents\visual studio
2010\Projects\ConsoleApplication9\ConsoleApplication9\Program.cs:line 58
at ConsoleApplication9.Program..cctor() in
c:\users\xtoff\documents\visual studio
2010\Projects\ConsoleApplication9\ConsoleApplication9\Program.cs:line 52
--- End of inner exception stack trace ---
at ConsoleApplication9.Program.Main(String[] args)
Notice it fails even before any attempt to generate the proxy.
Anyway - I remember there was some bug in VS2008 debugger, so you may
have hit just that.
Which version of DP are you running?
On 12/10/2010 10:33 PM, Konstantin wrote:
Following code causes exception if executed under VS2008 debugger.
Exception:
System.TypeLoadException: GenericArguments[0], 'ST2', on
'Castle.Proxies.Invocations.IService_Method2[ST1]' violates the
onstraint of type parameter 'ST1'.
at Castle.Proxies.IServiceProxy.Method2[ST2](ST2 t)
at DPGenericsUnderDebugIssueDemo.Program.Main(String[] args) in C:
\WORK\TestsAndTries\DPGenericsUnderDebugIssueDemo
\DPGenericsUnderDebugIssueDemo\Program.cs: line 61
This:
"GenericArguments[0], 'ST2', on
'Castle.Proxies.Invocations.IService_Method2[ST1]'"
looks very strange....
If executed without debugger it work ok.
public class C : ICloneable
{
public object Clone()
{
throw new NotImplementedException();
}
}
public interface IService
{
void Method1<ST1>(ST1 t) where ST1 : class, new();
void Method2<ST2>(ST2 t) where ST2 : ICloneable;
}
public class Component : IService
{
public void Method1<CT1>(CT1 t) where CT1 : class, new()
{
Console.WriteLine(string.Format("Method1 CT1:{0}", typeof
(CT1)));
}
public void Method2<CT2>(CT2 t) where CT2 : ICloneable
{
Console.WriteLine(string.Format("Method2 CT2:{0}", typeof
(CT2)));
}
}
internal class Program
{
[SecurityPermission(SecurityAction.Deny, Unrestricted = true,
Flags = SecurityPermissionFlag.UnmanagedCode)]
private static void tuneDynamicProxy()
{
Console.WriteLine(StrongNameUtil.CanStrongNameAssembly);
}
static Program()
{
//Restrict signed assembly generation
tuneDynamicProxy();
}
private static void Main(string[] args)
{
ProxyGenerator g = new ProxyGenerator();
var proxy = g.CreateInterfaceProxyWithTarget<IService>(new
Component(), new IInterceptor[0]);
try
{
proxy.Method1(new C());
proxy.Method2(new C());
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
Console.ReadLine();
}
}
}
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