>When was the last time that you caught a significant bug with a test? This happens at least once a week, and that's just for me on a ~15 person team. I work

>When was the last time that you caught a significant bug with a test? This happens at least once a week, and that's just for me on a ~15 person team. I work on a compiler and most of our tests are in terms of user visible effects from running snippets. If any of them break, it's either a rare test harness failure or a real bug. Whether or not any particular spec violation is significant is another matter of course, but they're definitely genuine bugs.