[jira] [Resolved] (ARROW-5036) [Plasma][C++] Serialization tests resort to memcpy to check equality

["Antoine Pitrou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-5036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou resolved ARROW-5036.
-----------------------------------
    Resolution: Duplicate

> [Plasma][C++] Serialization tests resort to memcpy to check equality
> --------------------------------------------------------------------
>
>                 Key: ARROW-5036
>                 URL: https://issues.apache.org/jira/browse/ARROW-5036
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++ - Plasma
>            Reporter: Francois Saint-Jacques
>            Priority: Major
>
> {code:bash}
> 1: /tmp/arrow-0.13.0.Q4czW/apache-arrow-0.13.0/cpp/src/plasma/test/serialization_tests.cc:193: Failure
> 1: Expected equality of these values:
> 1:   memcmp(&plasma_objects[object_ids[0]], &plasma_objects_return[0], sizeof(PlasmaObject))
> 1:     Which is: 45
> 1:   0
> 1: [  FAILED  ] PlasmaSerialization.GetReply (0 ms)
> {code}
> The source of the problem is the random_plasma_object stack allocated object. As a fix, I propose that PlasmaObject implements the `operator==` method and drops the memcpy equality check.



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