[jira] [Created] (ARROW-5194) TEST(PlasmaSerialization, GetReply) is failing

["Guillaume Horel (JIRA)" <ji...@apache.org>]

Guillaume Horel created ARROW-5194:
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             Summary: TEST(PlasmaSerialization, GetReply) is failing
                 Key: ARROW-5194
                 URL: https://issues.apache.org/jira/browse/ARROW-5194
             Project: Apache Arrow
          Issue Type: Test
          Components: C++ - Plasma
    Affects Versions: 0.13.0
            Reporter: Guillaume Horel


I believe the [assertions|https://github.com/apache/arrow/blob/master/cpp/src/plasma/test/serialization_tests.cc#L191] here are incorrect. You can't use memcmp to compare structs
 On my machine (64bits linux) int are 4 bytes, but the struct fields are 8 bytes aligned, so this line fails:

ASSERT_EQ(memcmp(&plasma_objects[object_ids[0]], &plasma_objects_return[0],
 sizeof(PlasmaObject)),
 0);

even though the struct contents are the same.



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