# Planning Unit Tests

Plan tests from the requirements, as a table of scenarios. Each scenario changes one thing, and the edges (at a limit, just inside it, just past it) find the most bugs.

![Cheat sheet: Planning Unit Tests](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/ff27d90019024b51b8659f1236cc97d9.webp)

- Category: C#
- Level: Apprentice
- Tags: Edge Case, Test Case, unit testing
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/unit-testing-with-mstest-planning-unit-tests-cheat-sheet