[webkit-qt] Maintaining Qt 4.7 and 4.8 expected results in parallel

Andy Kling kling at webkit.org
Wed Sep 7 07:29:54 PDT 2011

Hi Ossy,

I agree, we should wait until Qt 4.8 is released, then land this patch +
rebaseline LayoutTests/platform/qt.
Requiring that people manage results from both 4.7 and 4.8 is asking too
much IMO.

On a related note, qt-wk2 should already be using qt-4.8 as its fallback,
but if it's indeed nontrivial, it's not a big deal.


2011/9/7 Osztrogonac Csaba <oszi at inf.u-szeged.hu>

> Hi QtWebKit developers,
> I ran into a serious problem what we should solve without any pain.
> Here is a bug report with an r+ -ed patch:
> https://bugs.webkit.org/show_**bug.cgi?id=55036<https://bugs.webkit.org/show_bug.cgi?id=55036>
> [Qt] FontCache::**createFontPlatformData() is broken, a default font is
> returned even if the family does not match
> After this patch ~5000 layout test result will differ between Qt 4.7 and
> 4.8,
> which is absolutly unmaintainable. Additionally WebKit2 builds with Qt 5,
> but
> qt-wk2 platform falls back to qt platform and not qt-4.8/qt platforms.
> I don't know how important is this patch (AFAIK it doesn't block
> QtWebKit2.2 release),
> but I think the best solution is if we wait until Qt 4.8 relase and then we
> drop
> LayoutTests/platform/qt-4.8 platform and declare that now
> LayoutTests/platform/qt
> means Qt 4.8 results and Qt 4.7 layout test results aren't supported
> anymore.
> If we want to land this patch now, we have to
> - fix run-webkit-tests to be able handle qt-wk2/qt-4.8/qt fallback order
> (It isn't trivial fix.)
> - add +5000 Qt 4.8 specific layout test result into
> LayoutTests/platform/qt-4.8
> - maintain LayoutTests/platform/qt and LayoutTests/platform/qt-4.8 in
> parallel ( It is shocking big task !!! )
> What do you think about it? What should we do now?
> br,
> Csaba Osztrogonác (Ossy)
> University of Szeged
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