Re: [Nmock-general] ExecutionEngineException with overloaded methods in VB.NET

[Owen R. <OR...@th...>]

i should also point out that you can download the latest build of nmock 
from ccnetlive.
- the project dashboard is here: http://ccnetlive.thoughtworks.com/ccnet/
- and the builds are here: http://ccnetlive.thoughtworks.com/NMock-builds

cheers,
owen.
---
R. Owen Rogers
ThoughtWorks Technologies (India) Pvt Ltd.

ThoughtWorks - Deliver with passion!

ThoughtWorks is always looking for talented people who are passionate 
about technology.  To find out more about a career at ThoughtWorks go to 
http://www.thoughtworks.com/career/.




Jim Arnold <JA...@th...>
Sent by: nmo...@li...
08/12/2004 22:06
 
        To:     chr...@ho...
        cc:     nmo...@li..., (bcc: Owen 
Rogers/Canada/ThoughtWorks)
        Subject:        Re: [Nmock-general] ExecutionEngineException with 
overloaded methods in VB.NET


I think VB.Net is a red herring.  I think the real problem is the ByRef 
modifier on IFileCollection::Add.  When you tried it with C#, did you add 
the same (ref) modifier?
 
The ByRef problem has been fixed but not rolled into any release - you 
just need to download the latest snapshot from CVS on SourceForge.
 
Jim
 
ThoughtWorks
-----nmo...@li... wrote: -----

To: nmo...@li...
From: "Chris Bartlett" <chr...@ho...>
Sent by: nmo...@li...
Date: 12/08/2004 03:41PM
Subject: [Nmock-general] ExecutionEngineException with overloaded methods 
in VB.NET

When ever I use NMock with overloaded methods in VB.NET I receive an 
ExecutionEngineException exception.

I have created a simple project to demonstrate the problem using a 
collection.


Interfaces:

Public Interface IFile

 ReadOnly Property FileName() As String

End Interface


Public Interface IFileCollection
 Inherits IList

 Overloads Sub Add(ByRef file As IFile)

End Interface


Factory class:

Imports NMock

Friend Class Factory

 Public Shared FileCollectionToReturn As Mock
 Public Shared FileToReturn As Mock

 Public Shared Sub Reset()

   FileCollectionToReturn = Nothing
   FileToReturn = Nothing

 End Sub

 Private Sub New()
 End Sub

 Public Shared Function GetFileCollection() As IFileCollection

   Return CType(FileCollectionToReturn.MockInstance, IFileCollection)

 End Function

 Public Shared Function GetFile() As IFile

   Return CType(FileToReturn.MockInstance, IFile)

 End Function

End Class


Class to test:

Public Class Sample

 Public Sub DoStuff()

   Dim file As IFile = Factory.GetFile()

   Dim collection As IFileCollection = Factory.GetFileCollection()

   collection.Add(file)

 End Sub

End Class


Test:

Imports NMock
Imports NUnit.Framework

_
Public Class SampleUnitTests

  _
   Public Sub TestDoStuff()

   Factory.Reset()

   Dim collection As Mock = New DynamicMock(GetType(IFileCollection))
   Factory.FileCollectionToReturn = collection

   Dim file As Mock = New DynamicMock(GetType(IFile))
   Factory.FileToReturn = file

   collection.Expect("Add", file.MockInstance)

   Dim sampleClass As Sample = New Sample

   sampleClass.DoStuff()

   Collection.Verify()

 End Sub

End Class


If I do the same in C# it works as expected.

Any help would be very appreciated.

Regards,

Chris.




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