Now I’ll really use test driven development to write device driver code

In the last article, I added tests to existing code. So I did not really do Test Driven Development. I did Test After Development. Let’s do some TDD now and design the block erase function. I’ll go from the spec, to the test to the code.
Continue reading

Who says you can’t test drive a device driver?

I keep hearing that you can’t write unit tests for device drivers. I don’t believe that’s true. To disprove this claim, I thought I would find a device driver and write some unit tests for it. This blog posting shows what device driver unit tests look line.

Continue reading