"this thread's gotten me interested in writing a proper unit-testing library for Arc.. automate the synergy between QuickCheck and unit tests. Instead of "run QuickCheck, get a failure, copy/paste into a unit test, fix code, run QuickCheck again, pass, run unit tests, pass", there should be a way to spill over QuickCheck failures into unit tests.."
I'd love to help. I've been testing a lot with arc. Readwarp has more tests than code.