Re: Testing and OO was Re: Is it possible to use the value of the PROGRAM ID within t

"Clark F. Morris, Jr." <cfmtech@istar.ca> wrote:
>  If an object is changed for performance reasons and all
>inputs and outputs are kept the same (exactly), then testing can be
>confined to the object.  If it is changed to accept new inputs leading
>to new outputs or to provide changed outputs, then testing should be
>done to test the effects of the change on most if not all invokers.
>Indeed a running of the entire processing cycle in which the changes
>occur may be necessary.

The systems that should not be affected need only a 'negative finding'
regression test. That's relatively painless.