LayoutTests:

LayoutTests:

        Reviewed by Adele.

        Test for <rdar://problem/5192256>
        click() in onchange handler causes another change event (causes hang at http://forums.whirlpool.net.au/)

        * fast/events/onchange-click-hang-expected.txt: Added.
        * fast/events/onchange-click-hang.html: Added.

WebCore:

        Reviewed by Adele.

        Fix <rdar://problem/5192256>
        click() in onchange handler causes another change event (causes hang at http://forums.whirlpool.net.au/)

        Guard against generating a simulated event from within a simulated event in the same node. Try to
        match Firefox behavior.

        * dom/EventTargetNode.cpp:
        (WebCore::EventTargetNode::dispatchSimulatedMouseEvent):
        (WebCore::EventTargetNode::dispatchSimulatedClick):
        * dom/Node.cpp:
        (WebCore::Node::Node):
        * dom/Node.h:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@24267 268f45cc-cd09-0410-ab3c-d52691b4dbfc