Four Ways to Fake Time, Part 4

The is the fourth and final part in the Four Ways to Fake Time series. In Part 3 you learned how to use the IClock interface to improve testability. Using the IClock interface is very effective for new application development. However, when maintaining a legacy system adding a new parameter to a class constructor might be a strict no-no.

This part looks at how a mock isolation framework can help. The goal of isolation testing is to test the code-under-test in a way that is separate from...