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About the project

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This project contains source code analysis and cleanup rules for

Requirements: v2.0+ and Visual Studio 2017 version 15.9 or later.

Documentation: a list of supported rules is available at

Bugs and issues: please visit the core project issue tracker.

Building: see

How to install

How to uninstall

If you installed 2.3.0 or higher and do not wish to use the analyzers package, replace the package reference to xunit with the corresponding versions of xunit.core and xunit.assert

Analysis and Code Fix in Action

Analyzer in action animation

About is a free, open source, community-focused unit testing tool for the .NET Framework. Written by the original inventor of NUnit v2, is the latest technology for unit testing C#, F#, VB.NET and other .NET languages. works with ReSharper, CodeRush, TestDriven.NET and Xamarin. It is part of the .NET Foundation, and operates under their code of conduct. It is licensed under Apache 2 (an OSI approved license).