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haikuwebkit/LayoutTests/fast/css/style-change-draggable-text...

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Nullptr crash in CompositeEditCommand::moveParagraphContentsToNewBlockIfNecessary with draggable text https://bugs.webkit.org/show_bug.cgi?id=209999 <rdar://problem/58978340> Reviewed by Ryosuke Niwa. Source/WebCore: VisibleParagraphStart/End may return empty VisiblePosition if no proper element or node can be used as position candidate. Add null check for the returned VisiblePositions. Test: fast/css/style-change-draggable-text.html * editing/CompositeEditCommand.cpp: (WebCore::CompositeEditCommand::moveParagraphContentsToNewBlockIfNecessary): LayoutTests: Added a regression test for the crash. * fast/css/style-change-draggable-text-expected.txt: Added. * fast/css/style-change-draggable-text.html: Added. Canonical link: https://commits.webkit.org/222986@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@259595 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2020-04-06 21:44:11 +00:00
Test changing style with draggable text. The test passes if WebKit doesn't crash or hit an assertiona