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Editorial Team
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Asked: 2026-05-24T02:41:28+00:00

I want to write a test framework extension for resharper. The docs for this

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I want to write a test framework extension for resharper. The docs for this are here: http://confluence.jetbrains.net/display/ReSharper/Test+Framework+Support

One aspect of this is indicating if a particular piece of code is part of a test. The piece of code is represented as a IDeclaredElement.

Is it possible to get the filename and line number of a piece of code represented by a particular IDeclaredElement?

Following up to the response below:

@Evgeny, thanks for the answer, I wonder if you can clarify one point for me.

Suppose the user has this test open in visual studio: https://github.com/fschwiet/DreamNJasmine/blob/master/NJasmine.Tests/SampleTest.cs
Suppose the user right clicks on line 48, the “player.Resume()” expression.
Will the IDeclaredElement tell me specifically they want to run at line 48? Or is it going to give me a IDeclaredElement corresponding to the entire class, and a filename/line number range for the entire class?

I should play with this myself, but I appreciate tapping into what you already know.

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1 Answer

  1. Editorial Team

    Yes.

    The “IDeclaredElement” entity is the code symbol (class, method, variable, etc.). It could be loaded from assembly metadata, it could be declared in source code, it could come from source code implicitly.

    You can use 

    var declarations = declaredElement.GetDeclarations()

    to get all AST elements which declares it (this could return multiple declarations for partial class, for example)

    Then, for any IDeclaration, you can use

    var documentRange = declaration.GetDocumentRange()
if (documentRange.IsValid())
  Console.WriteLine ("File: {0} Line:{1}",
 DocumentManager.GetInstance(declaration.GetSolution()).GetProjectFile(documentRange.Document).Name,
documentRange.Document.GetCoordsByOffset(documentRange.TextRange.StartOffset).Line
);

    By the way, which test framework extension are you developing?

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