Tests

My dear /prog/riders, what and how do you test and why?

Personally I prefer to skip unit tests entirely and focus on integration tests that will catch the same things that unit tests would minus time for writing bloat code for unit tests.

>>2
MSP problem is to determine the existence of a simple path in a labeled multistage graph. Obviously, this
problem is a NP problem.
Well I got stuck here because it's not obvious to me at all. I'll read through it though and see what is going on.