>>By this, I assume you mean real-world code whose operations consist of 10,000 lines of un-modularized spaghetti code. That is the same thing that came to my

>>By this, I assume you mean real-world code whose operations consist of 10,000 lines of un-modularized spaghetti code. That is the same thing that came to my mind. Indeed, if you write code like that it will be really hard to write automated test cases, debug, maintain, etc. etc.