Learn About Typemock Isolator
- Learn how Typemock Isolator simplifies unit testing
- See the developers guide
View Typemock Isolator developers guide and API. - Examples
See how tos and examples. - Multimedia

Watch our tutorials
- Cheat Sheets
See the Typemock Isolator cheat sheets. - Case study
See this case study from Corillian
. Scott Hanselman shows how Typemock Isolator was successfully implemented and increased their test coverage by 50%. - FAQ
Find answers to Frequently Asked Questions.
The last project I wrote went out without a single issue be raised in QA (which was really cool), and it was a multi-person project where I had dependencies on classes that were not even written yet. Without Typemock, it would not have been possible...
Darryn Glass in a thank- you e-mail.
Unit Test Patterns
- Unit Test Patterns - Part I
This article looks at the patterns that are found in unit testing, describing the main patterns found in tested .NET code. It also describes the problems with each pattern. We will be using nUnit for our examples. These patterns have been collected after extensive implementations of test-driven development for large scale .NET projects.
- Unit Test Patterns - Part II - The Isolator Pattern
Programmers who have incorporated unit testing into their development process know the advantages it brings: cleaner code, courage to refactor, and higher velocity. But even the most die-hard unit testers can falter when faced with testing a class that relies on system state for its behavior. This article looks at the Isolator pattern that can help solve these problems.
- Unit Test Patterns - Part III - Natural Mocks™ Pattern
In this series, we discussed unit test patterns and the advantages that it brings. Although there is great power in using Typemock Isolator, there are times when the reflective API can falter when refactoring code. This article looks at how to test the interaction between classes using Natural Mocks™, which can help solve these problems.
Articles
- Stop Designing for Testability - Eli Lopian



