Using TDD to drive out thread-safe code

Question

What\'s a good way to leverage TDD to drive out thread-safe code? For example, say I have a factory method that utilizes lazy initialization to create only one instance of

Answer 1

Chapter 12 of Java Concurrency in Practice is called "Testing Concurrent Programs". It documents testing for safety and liveness, but says this is a hard subject. I am not sure this problem is solvable by the tools of that chapter.