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=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!mx02.eternal-september.org!feeder.eternal-september.org!news.glorb.com!peer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post02.iad.highwinds-media.com!news.flashnewsgroups.com-b7.4zTQh5tI3A!not-for-mail From: Stephen Leake Newsgroups: comp.lang.ada Subject: Re: Strange error References: <713608f7-d46e-4b73-a34e-552d1b978d2c@googlegroups.com> <01fc779f-e274-4515-a88f-144d515d323f@googlegroups.com> <3fa7d4c4-f9fe-4d00-9034-a348802087a9@googlegroups.com> Date: Sun, 25 Jan 2015 03:25:51 -0600 Message-ID: <858ugri540.fsf@stephe-leake.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (windows-nt) Cancel-Lock: sha1:aLWXgqIYjGOH9LvVWnQkcO/BMUo= MIME-Version: 1.0 Content-Type: text/plain X-Complaints-To: abuse@flashnewsgroups.com Organization: FlashNewsgroups.com X-Trace: 5bc4954c4b6a0e3fb833013775 X-Received-Bytes: 1350 X-Received-Body-CRC: 1812643984 Xref: news.eternal-september.org comp.lang.ada:24730 Date: 2015-01-25T03:25:51-06:00 List-Id: Laurent writes: > Quite obvious could have found that myself by thinking/searching a bit more. > > How do you professionals prevent such stupid errors? I am just a noob > and playing a bit around so it has no impact on anything. Write tests _first_. In this case, write a complete set of tests on what insert and delete should do to an empty list, a 1 element list, a 2 element list, and a 3 element list (3 stands in for 3 .. huge). Then implement the list, and make the tests pass. AdaCore AUnit is a nice testing framework. -- -- Stephe