I had a second year CS course where each student was required to submit test input/output as well as their code, and a portion of the marks was derived from the

I had a second year CS course where each student was required to submit test input/output as well as their code, and a portion of the marks was derived from the coverage of these (as measured by gcov). But the reasons for testing weren't really emphasised or even discussed. (And a first-year course where we were required to use jUnit in the assignments, although again it was incidental and not at all a focus.)