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Asked: 2026-05-23T21:54:34+00:00

I am tasked with managing a large code base written in vc++ 6.0, I

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I am tasked with managing a large code base written in vc++ 6.0, I need to start building unit test for portions of the code. I have set up CPPUnit and it works with my projects DLL’s the problem I am facing is as follows. The legacy application is made up of 10 static libraries and one huge executable MFC application that contains 99% of the code. My unit test framework is running in another project within the same workspace and will test the 10 libraries no problem all include and references are ok, when I try to do the same for the large MFC application I get a linker error as I do not have a dll for the application. Is there any way to unit test the application without putting the test code directly inside the application.

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  1. Editorial Team

    You should carry on as you are:

    1. You have one test application that references libraries.
    2. You have one main application that also references those libraries.

    Either move code from the main application into the existing libraries, or, preferably, move code into new libraries. Then your test application can access more code without ever referring to the application.

    You know when you are done when the source for the application consists of one module which defines main() and everything else in in libraries which are tested by the test application.

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