From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: * X-Spam-Status: No, score=1.6 required=5.0 tests=BAYES_05,INVALID_MSGID, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,3d3f20d31be1c33a X-Google-Attributes: gid103376,public X-Google-Thread: fac41,2c6139ce13be9980 X-Google-Attributes: gidfac41,public X-Google-Thread: f43e6,2c6139ce13be9980 X-Google-Attributes: gidf43e6,public X-Google-Thread: 1108a1,2c6139ce13be9980 X-Google-Attributes: gid1108a1,public From: Ken Garlington Subject: Re: Safety-critical development in Ada and Eiffel Date: 1997/07/15 Message-ID: <33CC05D8.CB5@flash.net>#1/1 X-Deja-AN: 257085213 References: <33C835A5.362A@flash.net> <33CBBF4B.7BAF@pseserv3.fw.hac.com> Organization: Flashnet Communications, http://www.flash.net Reply-To: keg0@flash.net Newsgroups: comp.object,comp.software-eng,comp.lang.ada,comp.lang.eiffel Date: 1997-07-15T00:00:00+00:00 List-Id: Wes Groleau wrote: > > > You would use them anywhere that a piece of code makes assumptions. For example, > > to help avoid the Ariane fiasco, include contracts in the INS(?) that specify > > Ariane 4 dynamics. Then, in testing, you will get an assertion violation when > > you apply Ariane 5 dynamics to it. > > Here we go again with this myth. Probably won't help, but I'll say > one more time what others said over and over: telling people to > assert or document everything pertinent will NOT cure the failure > to recognize what's pertinent!! Or in your own words: > > > No use of assertions will stop you misinterpreting requirements. Give it up. Until the end of time, Eiffel advocates will be using this example showing why DBC/Eiffel is better than Ada. If some of the Ada heavyweights had put up a fuss (a letter to IEEE, for example), we could have nipped this in the bud. However, it's too late now. > > -- > ---------------------------------------------------------------------- > Wes Groleau, Hughes Defense Communications, Fort Wayne, IN USA > Senior Software Engineer - AFATDS Tool-smith Wanna-be > > Don't send advertisements to this domain unless asked! All disk space > on fw.hac.com hosts belongs to either Hughes Defense Communications or > the United States government. Using email to store YOUR advertising > on them is trespassing! > ----------------------------------------------------------------------