public void GeneratedProxyCallsInterceptionBehaviors()
{
IInstanceInterceptor interceptor = new InterfaceInterceptor();
ImplementsInterfaceOne target = new ImplementsInterfaceOne();
IInterceptingProxy proxy = interceptor.CreateProxy(typeof(IInterfaceOne), target);
CallCountInterceptionBehavior interceptionBehavior = new CallCountInterceptionBehavior();
proxy.AddInterceptionBehavior(interceptionBehavior);
IInterfaceOne intercepted = (IInterfaceOne)proxy;
intercepted.TargetMethod();
intercepted.TargetMethod();
intercepted.TargetMethod();
Assert.AreEqual(3, interceptionBehavior.CallCount);
}
public void GeneratedProxyCallsHandlers()
{
IInstanceInterceptor interceptor = new InterfaceInterceptor();
ImplementsInterfaceOne target = new ImplementsInterfaceOne();
IInterceptingProxy proxy = interceptor.CreateProxy(typeof(IInterfaceOne), target);
CallCountHandler handler = new CallCountHandler();
proxy.SetPipeline(typeof(IInterfaceOne).GetMethod("TargetMethod"),
new HandlerPipeline(new ICallHandler[] { handler }));
IInterfaceOne intercepted = (IInterfaceOne)proxy;
intercepted.TargetMethod();
intercepted.TargetMethod();
intercepted.TargetMethod();
Assert.AreEqual(3, handler.CallCount);
}
public void InterceptorCreatesProxyInstance()
{
IInstanceInterceptor interceptor = new InterfaceInterceptor();
ImplementsInterfaceOne target = new ImplementsInterfaceOne();
IInterceptingProxy proxy = interceptor.CreateProxy(typeof(IInterfaceOne), target);
IInterfaceOne intercepted = (IInterfaceOne)proxy;
intercepted.TargetMethod();
Assert.IsTrue(target.TargetMethodCalled);
}
public void TargetMethod()
{
MethodInfo targetMethod = typeof(IInterfaceOne).GetMethod("TargetMethod");
VirtualMethodInvocation input = new VirtualMethodInvocation(target, targetMethod);
HandlerPipeline pipeline = ((IInterceptingProxy)this).GetPipeline(targetMethod);
IMethodReturn returnMessage = pipeline.Invoke(input, delegate(IMethodInvocation inputs, GetNextHandlerDelegate getNext)
{
try
{
target.TargetMethod();
return(inputs.CreateMethodReturn(null));
}
catch (Exception ex)
{
return(inputs.CreateExceptionMethodReturn(ex));
}
});
if (returnMessage.Exception != null)
{
throw returnMessage.Exception;
}
}