# \[ref\_impl\_eiffel\] \[968\] Add a unit test demonstrating a wrong postcondition when creating a new minimal differential archetype .

**URL:** <https://discourse.openehr.org/t/ref-impl-eiffel-968-add-a-unit-test-demonstrating-a-wrong-postcondition-when-creating-a-new-minimal-differential-archetype/13439>\
**Category:** Reference Implementation: Eiffel (archive)\
**Created:** [27 June 2010 05:16 UTC](https://discourse.openehr.org/t/ref-impl-eiffel-968-add-a-unit-test-demonstrating-a-wrong-postcondition-when-creating-a-new-minimal-differential-archetype/13439 "2010-06-27T05:16:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![svn1](https://discourse.openehr.org/letter_avatar_proxy/v4/letter/s/958977/32.png) [@svn1](https://discourse.openehr.org/u/svn1)\
**Post date:** [27 June 2010 05:16 UTC](https://discourse.openehr.org/t/ref-impl-eiffel-968-add-a-unit-test-demonstrating-a-wrong-postcondition-when-creating-a-new-minimal-differential-archetype/13439/1 "2010-06-27T05:16:12Z")

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Revision: 968  
Author: peter.gummer  
Log Message: