NSubstitute 1.9.2 Readme NSubstitute is a friendly substitute for .NET mocking frameworks. It has a simple, succinct syntax to help developers write clearer tests. NSubstitute is designed for Arrange-Act-Assert (AAA) testing and with Test Driven Development (TDD) in mind. Used By No packages depend on NSubstitute. Dependencies This package has no dependencies. Versions Version Downloads Last updated 3.1.0 13 7/8/2025 1.9.2 11 7/8/2025