CS 24 Plan for Today: Testing steps: unit, integration, system, ... test cases: seek “coverage” (esp. boundaries) Debugging advice: Understand why whenever you change. see www.cs.colorado.edu/~main/debugging.html Intro exception handling [exceptdemo.cpp] (Remember demos at ~mikec/cs24/demos/) Review of basic pointer usage especially operators new and delete, pointer parameters, and array ideas references vs. pointers (and *& vs. **) Start dynamic arrays [dynademo.cxx]