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Posted to dev@isis.apache.org by "Dan Haywood (JIRA)" <ji...@apache.org> on 2013/07/11 01:39:48 UTC

[jira] [Resolved] (ISIS-462) Improve ValueTypeContractTestAbstract to also test for value types that implement Comparable.

     [ https://issues.apache.org/jira/browse/ISIS-462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Haywood resolved ISIS-462.
------------------------------

    Resolution: Fixed
    
> Improve ValueTypeContractTestAbstract to also test for value types that implement Comparable.
> ---------------------------------------------------------------------------------------------
>
>                 Key: ISIS-462
>                 URL: https://issues.apache.org/jira/browse/ISIS-462
>             Project: Isis
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: core-1.2.0
>            Reporter: Dan Haywood
>            Assignee: Dan Haywood
>            Priority: Minor
>             Fix For: core-1.3.0
>
>
> Although not required, it is highly advisable that if two objects a and b are equal (a.equals(b) == true), then if their type implements Comparable then a.compareTo(b) == 0.
> Conversely, if a.equals(b) == false, then a.compareTo(b) != 0, and a.compareTo(b) = -b.compareTo(a)

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