Hell yes you are spot on right there. I've got into a habit of defining pre and post-call checks on just about everything. It's knocked down my regression and

Hell yes you are spot on right there. I've got into a habit of defining pre and post-call checks on just about everything. It's knocked down my regression and defect rate quite considerably. Assumptions are dangerous - so always check them. Microsoft are actually leading this if you ask me with PEX: Try it here: http://www.pexforfun.com/ http://www.pexforfun.com/