How to ignore generated code from code coverage data

I am using Visual Studio 2010 and would like to exclude the generated service reference code from my code coverage statistics.

I found an article pre 2010 that mentions using DebuggerNonUserCode and DebuggerHidden attributes. I have tried this an it works as advertised. DebuggerNonUserCode is set at the class level, but with 50+ classes generated in each of the generated service开发者_StackOverflow reference code files, this is not an attractive option.

Does anyone have any alternative solutions?

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The generated classes are partial. If you create a new class in your project with the same namespace and class declaration you can add the [ExcludeFromCodeCoverage] attribute to your partial class. That way you don't have to go back and edit the Reference.cs file whenever you refresh your reference.

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In Reference.cs, you can find an existing attribute, like [System.Diagnostics.DebuggerStepThroughAttribute()] and do a search and replace with [System.Diagnostics.DebuggerStepThroughAttribute()][System.Diagnostics.DebuggerNonUserCode()].
The major drawback is that you have to redo this each time you update the reference.

I don't understand why MS does not make the code coverage tool smart enough to skip service reference generated code.

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System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage can be used on top of the class. This is a poor option since you need to redo this anytime you regenerate your code. Maybe Microsoft could do this for us automagically when creating service references, entity framework types, etc...

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You could create a code generator that emits partial classes with the DebuggerNonUserCode attribute.