[Python-Dev] [Python-checkins] cpython (merge 3.2 -> default): MERGE: Better test for Issue #15402: Add a __sizeof__ method to struct.Struct

[Jesus Cea]

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On 23/07/12 20:19, Meador Inge wrote:
> self.assertGreaterEqual(sys.getsizeof(struct.Struct('123B')),
[...]
> and while they didn't fail without the patch I felt they were still
> useful in documenting that there is nothing that guarantees
> 'sizeof("123B") > sizeof("B")' 'sizeof("B" * 123) >
> sizeof("123B")', or 'sizeof("123xB") > sizeof("B")'.

No garantee, but I would find "interesting" that
"sizeof("1234B")==sizeof("B")".

If someday we implement some clever idea here (like the repeat counter
optimization discussed), we can simply change "sizeof("123B")" to
"sizeof("12345B")", or to "sizeof("BHBHBHBH"), etc.

> It isn't that big of a deal.  We can just leave the tests as you
> changed them. In the future it would probably be better to hash
> this stuff out in the tracker. The patch was out for review for
> several days ...

I agree. I should have raised this issue in the tracker. The fact is
that I was checking the patch carefully today, when we collided
mid-air working in the same issue both of us :-). I disliked the
proposed tests at that time.

Thanks for raising the issue. I will try to be more careful.

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