#13814: LazyFamily.__eq__ gives false positives.
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Reporter: cnassau | Owner: sage-combinat
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.6
Component: combinatorics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Christian Nassau | Merged in:
Dependencies: | Stopgaps:
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Comment (by nthiery):
Replying to [comment:2 cnassau]:
> The TestSuite failures would probably be fixed if `_test_pickling` would
check for
> {{{
> not (f != loads(dumps(f)))
> }}}
> rather than
> {{{
> f == loads(dumps(f))
> }}}
> I'll suggest this in a different ticket.
``__eq__`` and ``__ne__`` are supposed to be implemented consistently; so
_test_pickling is allowed to rely on this assumption. If the
assumption fails, that's an equality bug which should be fixed in
``__eq__/__ne__`` and be tested in ``_test_equal`` (whenever possible).
Cheers,
Nicolas
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13814#comment:6>
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