The best assertion framework in the .NET realm. Go to the examples to see for yourself.


Install with NuGet NuGet

PM > Install-Package FluentAssertions


Fluent Assertions 5.0.0-beta.2 was released on 18 September 2017


Compared the beta 1, the following changes have been made.

View Release on GitHub

Supported Frameworks and Libraries

Fluent Assertions supports the following .NET versions:

Fluent Assertions supports the following unit test frameworks:

Community Extensions

There are a number of community maintained extension projects. The ones we are aware of a listed below. To add yours please fork the repository and send a pull request.

Support us

As you can imagine, a lot of our private time is put into this wonderful project. Please support us:

Special thanks

This project would not have been possible without the support of JetBrains. We thank them generously for providing us with the ReSharper licenses necessary to make us productive developers.