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Editorial Team
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Asked: 2026-06-06T09:45:26+00:00

We have developers using Visual Studio 2010 professional and some trying out Visual Studio

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We have developers using Visual Studio 2010 professional and some trying out Visual Studio 2012. Project compatibility between the two versions has been good.

Will a Visual Studio project still be compatible with 2010 if we introduce the new Fakes Framework for unit testing?

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1 Answer

  1. Editorial Team

    Currently Microsoft Fakes does not work in VS 2010. Project will compile however tests which use Fakes throw NotSupportedException with following stack trace. 

    at Microsoft.QualityTools.Testing.Fakes.UnitTestIsolation.UnitTestIsolationRuntime.InvokeEvent(T value, Action`1 eh)
at Microsoft.QualityTools.Testing.Fakes.UnitTestIsolation.UnitTestIsolationRuntime.OnAttachedUnsupportedMethod(MethodBase method)
at Microsoft.QualityTools.Testing.Fakes.UnitTestIsolation.UnitTestIsolationRuntime.CheckInstrumentation(MethodBase method)
at Microsoft.QualityTools.Testing.Fakes.UnitTestIsolation.UnitTestIsolationRuntime.InternalAttachDetour(Object optionalReceiver, MethodBase method, Delegate detourDelegate)
at Microsoft.QualityTools.Testing.Fakes.UnitTestIsolation.UnitTestIsolationRuntime.AttachDetour(Object optionalReceiver, MethodBase method, Delegate detourDelegate)

    I would suggest to use Moles, which is the prior version of Microsoft Fakes. Here is great article about moving from Moles to Fakes.

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