---
title: "Fluent Assertions"
layout: splash
date: 2016-03-23T11:48:41-04:00
header:
  overlay_color: "#373737"
  overlay_filter: "0.7"
  overlay_image: "/assets/images/fluent_assertions_large_horizontal.svg"
  cta_label: "Fluent Assertions 6.12 is out now. What's next? 7.0!"
  cta_url: "https://fluentassertions.com/releases/#6120"
  caption: "Logo by [**IUserName**](https://github.com/IUsername) and icons by [**Zlatko Najdenovski**](https://www.flaticon.com/authors/zlatko-najdenovski) from [Flaticon](https://www.flaticon.com/)
  "
excerpt: '_"There''s a life before Fluent Assertions, and there''s a life after it"_ - [Meisam Alifallahi](https://www.linkedin.com/in/meisam-alifallahi/)
<br/>
![](https://img.shields.io/nuget/dt/FluentAssertions.svg?style=for-the-badge)
[![](https://img.shields.io/github/release/fluentassertions/fluentassertions.svg?style=for-the-badge&label=Latest)](https://github.com/fluentassertions/fluentassertions/releases/latest)
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'
intro:
  - excerpt: '
     [<i class="fab fa-twitter"></i> @ddoomen](https://twitter.com/ddoomen){: .btn .btn--twitter}
     [<i class="fab fa-mastodon"/> @ddoomen](https://mastodon.social/@ddoomen){: .btn .btn--mastodon}
     [<i class="fab fa-twitter"></i> @jnyrup](https://twitter.com/jnyrup){: .btn .btn--twitter}<br/>
     [<i class="fab fa-github"></i> GitHub Sponsors](https://github.com/sponsors/fluentassertions){: .btn .btn--github}
     [<i class="fab fa-patreon"></i> Patreon](https://www.patreon.com/bePatron?u=9250052&redirect_uri=http%3A%2F%2Ffluentassertions.com%2F&utm_medium=widget){: .btn .btn--patreon}
     [<i class="fab fa-paypal"></i> Tip Us](https://paypal.me/fluentassertions){: .btn .btn--paypal}
     [<i class="fa fa-coffee"></i> Buy us a coffee](https://ko-fi.com/dennisdoomen){: .btn .btn--paypal}
     <br/>
     A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or
     BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1.'
feature_row:
  - title: "Intention-Revealing Unit Tests"
    image_path: /assets/images/binoculars.svg
    excerpt: "Write assertions that keep you and your fellow developers out of the debugger hell and clearly communicate what they are trying to accomplish."
    btn_label: "Read More"
    btn_class: "btn--primary"
    url: "/introduction"
  - title: "Comprehensive Documentation"
    image_path: /assets/images/book.svg
    excerpt: "Extensive documentation to help you understand the power of the assertions and learn finding the sweet spot of well-written unit tests."
    url: "/introduction"
    btn_label: "Read More"
    btn_class: "btn--primary"
  - title: "Highly <br/> Extensible"
    image_path: /assets/images/jigsaws.svg
    excerpt: "Many documented extension points and overridable behavior that provides enough flexibility for even the most critical developer."
    url: "/extensibility"
    btn_label: "Read More"
    btn_class: "btn--primary"
feature_row2:
  - title: "Feature Complete"
    image_path: /assets/images/checklist.svg
    excerpt: '
Targets .NET 4.7, .NET Core 2.1, .Net Core  3.0, .NET 6, .NET Standard 2.0 and 2.1.
Supports MSTest2, xUnit2, NUnit3, MSpec and NSpec3.
'
  - title: "Great Support"
    image_path: /assets/images/customer-service.svg
    excerpt: '
    Use [<i class="fab fa-stack-overflow"/> StackOverflow](https://stackoverflow.com/questions/tagged/fluent-assertions?mixed=1) for general questions,

    go on [<i class="fab fa-slack"/> Slack](https://fluentassertionsslack.herokuapp.com/) to contact the team directly, or

    visit [<i class="fab fa-github"/> GitHub](https://github.com/fluentassertions/fluentassertions/issues) for issues & feature requests.

    '
  - title: "Passionate Team"
    image_path: /assets/images/vote.svg
    excerpt: '
    Originally authored by
    [Dennis Doomen](https://github.com/dennisdoomen), but
    [Jonas Nyrup](https://github.com/jnyrup) has joined since then. Notable contributions by
    [Michaël Hompus](https://github.com/eNeRGy164) and [Gunnar Liljas](https://github.com/gliljas).
    '
feature_row3:
  - title: "Powered By"
    image_path: /assets/images/gift.svg
    excerpt: '
    This project is [supported](https://github.com/sponsors/fluentassertions) by [Hassan Rezk Habib](https://github.com/hassanhabib), [Best Kru](https://bestkru.com/) and [others](https://github.com/fluentassertions/fluentassertions/#sponsors), with special thanks to our Most Awesome sponsors<br/>
    <a href="https://www.swyfft.com/"><img src="/assets/images/swyfft.jpg" style="width:80px"/></a>,
    <a href="https://workleap.com/"><img src="https://workleap.com/wp-content/uploads/2023/05/workleap-logo.svg" style="width:80px"/></a>,
    <a href="https://www.jetbrains.com/rider/"><img src="/assets/images/jetbrainsrider.svg" style="width:150px"/></a> and
    <a href="https://www.infosupport.com/"><img src="/assets/images/info-support.jpg" style="width:150px"/></a>
    '
  - title: "Community Extensions"
    image_path: /assets/images/community.svg
    excerpt: 'Broad community support with extensions for
    [Json .NET](https://github.com/fluentassertions/fluentassertions.json),
    [Ninject](https://github.com/kevinkuszyk/FluentAssertions.Ioc.Ninject),
    [Autofac](https://github.com/awesome-inc/FluentAssertions.Autofac),
    [ASP.NET MVC](https://github.com/CaseyBurns/FluentAssertions.MVC),
    [ASP.NET Core MVC](https://github.com/fluentassertions/fluentassertions.aspnetcore.mvc) and even Roslyn analyzers through
    [FluentAssertions.Analyzers](https://github.com/fluentassertions/fluentassertions.analyzers)
    '
  - title: "What People Say"
    image_path: /assets/images/twitter.svg
    twitter: "true"
---

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{% include feature_row %}

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