[Webkit-unassigned] [Bug 50380] Implement "required" attribute for select tags

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50380





--- Comment #20 from Dai Mikurube <dmikurube at google.com>  2010-12-06 04:43:44 PST ---
(In reply to comment #17)
I'm adding test cases for calling sites of setNeedsValidityCheck(). But I found that no existing tests for HTMLSelectElement::listBoxSelectItem() and updateListBoxSelection(). (No existing tests have passed these functions.)

Do you have any ideas to test them?

For updateListBoxSelection(), I found it is called in "autoscroll" by mouse-dragging from WebCore/renderer/RenderListBox.cpp. But I'm not sure how to cause it explicitly (by a kind of events?).

For listBoxSelectItem, I could not find when it is called...

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