27109 2009-07-09 00:41:04 -0700 [Qt] Some tests in the Qt DRT pass and fail randomly, depending on whether previous tests used @font-face 2009-07-10 05:48:08 -0700 1 1 1 Unclassified WebKit WebKit Qt 528+ (Nightly build) PC Linux RESOLVED FIXED P2 Normal --- 26886 1 hausmann webkit-unassigned oldest_to_newest 130626 0 hausmann 2009-07-09 00:41:04 -0700 Sometimes when a test loads an application font using the @font-face css rule, then a following test may expose different metric. In normal web browsing this is not an issue, but with the Qt DRT we enforce a limited set of fonts through a fontconfig application fontset, which is also used by QFontDatabase::addApplicationFont. When removing an application font through QFontDatabase::removeApplicationFont, then Qt clears the entire app fontset and re-initializes it from its sent of known application fonts. That discards the app set the Qt DRT initializes on startup. Private application fontsets _together_ with QFontDatabase::addApplicationFonts are not really supported, so we have to work around this in the Qt DRT by re-initializing our font set when necessary. 130627 1 hausmann 2009-07-09 00:42:04 -0700 The following tests that are currently skipped also fail due to this side-effect: fast/dom/inner-text-001.html fast/events/frame-tab-focus.html fast/events/mousemove-after-drag-over-scrollbar.html fast/events/scroll-to-anchor-in-overflow-hidden.html fast/flexbox/repaint-scrollbar.html fast/forms/button-state-restore.html fast/forms/input-multiple.html fast/forms/select-script-onchange.html fast/frames/frame-unload-crash.html fast/loader/onunload-form-submit-crash-2.html fast/loader/onunload-form-submit-crash.html fast/loader/plain-text-document.html There may be more tests in the skip list suffering from this side-effect. 130631 2 32507 hausmann 2009-07-09 00:55:27 -0700 Created attachment 32507 [Qt] Fix Qt DRT Fontconfig side-effects 2009-07-08 Simon Hausmann <hausmann@webkit.org> Reviewed by NOBODY (OOPS!). https://bugs.webkit.org/show_bug.cgi?id=27109 Fix side-effects in the Qt DRT with tests using application fonts. Detect if a test used application fonts and re-initialize the fontconfig application fontset accordingly. * DumpRenderTree/qt/DumpRenderTree.cpp: (WebCore::DumpRenderTree::open): call initializeFonts and remove all application fonts after running a testcase. (WebCore::DumpRenderTree::initializeFonts): Moved fontconfig initialization code here from main. * DumpRenderTree/qt/DumpRenderTree.h: Declare initializeFonts. * DumpRenderTree/qt/main.cpp: (main): Moved fontconfig initialization code to DRT::initializeFonts. LayoutTests: 2009-07-08 Simon Hausmann <hausmann@webkit.org> Reviewed by NOBODY (OOPS!). https://bugs.webkit.org/show_bug.cgi?id=27109 Remove various tests from the Qt skip list that previously failed due to DRT side-effects. * platform/qt/Skipped: --- 6 files changed, 85 insertions(+), 34 deletions(-) 130870 3 hausmann 2009-07-10 05:48:08 -0700 Landed in r45706 32507 2009-07-09 00:55:27 -0700 2009-07-10 05:43:31 -0700 [Qt] Fix Qt DRT Fontconfig side-effects bug-27109-20090709095525.patch text/plain 7303 hausmann ZGlmZiAtLWdpdCBhL0xheW91dFRlc3RzL0NoYW5nZUxvZyBiL0xheW91dFRlc3RzL0NoYW5nZUxv ZwppbmRleCA0YWExYTk5Li5hNTljODMwIDEwMDY0NAotLS0gYS9MYXlvdXRUZXN0cy9DaGFuZ2VM b2cKKysrIGIvTGF5b3V0VGVzdHMvQ2hhbmdlTG9nCkBAIC0yLDYgKzIsMTcgQEAKIAogICAgICAg ICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KIAorICAgICAgICBodHRwczovL2J1Z3Mud2Vi a2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjcxMDkKKworICAgICAgICBSZW1vdmUgdmFyaW91cyB0 ZXN0cyBmcm9tIHRoZSBRdCBza2lwIGxpc3QgdGhhdCBwcmV2aW91c2x5IGZhaWxlZAorICAgICAg 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