Is it possible to use AssertWasCalled with a custom IEqualityComparer implementation?

[mark Kharitonov]

I have the following code snippet:

    Action<IProbingErrorHandler> handlerAction = x => x.Post(sourceContext, channelId, probingError);
    var handler = MockRepository.GenerateStub<IProbingErrorHandler>();
    handler.Stub(handlerAction);
    ...
    handler.AssertWasCalled(handlerAction);

Unfortunately, I had to implement the Equals method in the argument types in order for the last assertion to work. Is there a way to use a custom IEqualityComparer implementation instead?

Thanks.

P.S.
I have posted the same question on SO - http://stackoverflow.com/questions/7861996/rhino-mocks-can-assertwascalled-use-a-custom-iequalitycomparer-when-comparing-t

[David Tchepak]

Answered on SO, but to summarise, I think you need to use custom argument constraints:

http://ayende.com/wiki/Rhino%20Mocks%203.5.ashx#Complexexpressions 

http://ayende.com/wiki/Rhino%20Mocks%203.5.ashx#ConstraintsReference

Hope this helps,

David

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