Re: Broken tests
| From: | Keyur Govande | Date: | Fri, 26 Dec 2014 17:56:10 +0000 |
| Subject: | Re: Broken tests | ||
| References: | 1 2 3 4 | Groups: | php.cvs |
| Request: | Send a blank email to php-cvs+get-83878@lists.php.net to get a copy of this message | ||
On Fri, Dec 26, 2014 at 12:53 PM, Dmitry Stogov <dmitry@zend.com> wrote:
> Hi Keyer,
>
> In my tests (Linux x86 and x86_64) the current behavior of mysqlnd differ
> form libmysql.
>
> Also your patch works differently in DEBUG and RELEASE mode.
> GCC just eliminates double conversion and makes your patch useless for
> RELEASE build (this may be fixed adding "volatile")
> I'm not completely sure what behavior is right.
> It would be great if you decide what should be done with Andrey and fix
> this.
>
> The fixes back and forth were done because of misunderstanding of real
> problem.
>
> Thanks. Dmitry.
>
Hi Dmitry,
Can you provide a test script and outputs you're seeing so I can try to
reproduce it?
>
>
> On Fri, Dec 26, 2014 at 8:25 PM, Keyur Govande <keyurgovande@gmail.com>
> wrote:
>
>>
>>
>> On Fri, Dec 26, 2014 at 10:14 AM, Dmitry Stogov <dmitry@zend.com> wrote:
>>
>>> Hi,
>>>
>>> It seems like the source of the problem is commit c044164a authored by
>>> Keyur,
>>>
>>> I caught the problem because the behavior is different in DEBUG and
>>> RELEASE builds.
>>> However, I think the behavior introduced by that patch may be wrong.
>>> At least it produces different results in comparison to libmysql.
>>>
>>> Andrey, please made a decision.
>>>
>>> Thanks. Dmitry.
>>>
>>
>> Hello,
>>
>> I am a bit confused...I see that commit c2a047cf reverts my commit to fix
>> failing tests (4e2c016). But then c2a047cf was also reverted back by
>> 4409b6db3 a few hours back.
>>
>> Is there something I can help with? The original patch c044164a was
>> authored to fix bug #67839 and bring mysqli in parity with libmysql's
>> behavior on floating point numbers.
>>
>> Thanks,
>> Keyur.
>>
>>
>>>
>>>
>>> ---------- Forwarded message ----------
>>> From: Dmitry Stogov <dmitry@zend.com>
>>> Date: Fri, Dec 26, 2014 at 5:18 PM
>>> Subject: Broken tests
>>> To: Xinchen Hui <xinchen.h@zend.com>
>>> Cc: keyur_govande@yahoo.com, "php-cvs@lists.php.net" <
>>> php-cvs@lists.php.net>
>>>
>>>
>>> Hi Xinchen,
>>>
>>> The commit c2a047cf99f3d020bab12701e8dafed7424673bf made few tests to
>>> start fail on 32-bit DEBUG build. The same tests seems to work in RELEASE
>>> build.
>>>
>>> Are you sure these the are changed in a proper way?
>>> For me it looks like something was broken in code, and then tests were
>>> adjusted for wrong new behaviour.
>>>
>>> Please, find the source of the problem.
>>>
>>> Thanks. Dmitry.
>>>
>>> > mysqli fetch float values [ext/mysqli/tests/010.phpt]
>>> > mysqli fetch mixed values [ext/mysqli/tests/011.phpt]
>>> > mysqli fetch mixed values 2 [ext/mysqli/tests/012.phpt]
>>>
>>> $ cat ../ext/mysqli/tests/010.diff
>>> 003+ float(3.141593)
>>> 003- float(3.14159274101)
>>> 005+ float(-1.0E-6)
>>> 005- float(-9.99999997475E-7)
>>> 009+ float(1.0E+12)
>>> 009- float(999999995904)
>>> 011+ float(0.5646425)
>>> 011- float(0.564642488956)
>>> 015+ float(8.888889E+14)
>>> 015- float(8.88888914608E+14)
>>>
>>> $ cat ../ext/mysqli/tests/011.diff
>>> 011+ float(2345.6)
>>> 011- float(2345.60009766)
>>>
>>> $ cat ../ext/mysqli/tests/012.diff
>>> 011+ float(2.6)
>>> 011- float(2.59999990463)[dmitry@tpl2 CGI-DEBUG]$
>>>
>>>
>>>
>>
>