Let me be clear about the new .NET Core testing framework, xUnit: It's an alternative, not a replacement for MSTest, the .NET Core version of the framework you're familiar with from earlier versions ...

GitHub Copilot testing for .NET in Visual Studio 2026 v18.3 can generate tests for the xUnit, NUnit, and MSTest test frameworks.

BOSTON, Feb. 21, 2013 /PRNewswire/ — The Outercurve Foundation today announced that xUnit.net, a popular unit-testing tool for .NET, is the latest addition to its growing ASP.NET gallery. xUnit.net ...