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<window title="Testcase bug 311710 - Evil xul testcase, using display:-moz-grid-group causes crash [@ nsGridRow::IsCollapsed]"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns:html="http://www.w3.org/1999/xhtml">
<script type="application/x-javascript">
function clickit() {
var button = document.getElementById('button');
var evt = document.createEvent("MouseEvents");
evt.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
button.dispatchEvent(evt);
}
window.addEventListener('load', clickit, false);
</script>
<grid>
<rows>
<row>
<separator/>
</row>
</rows>
</grid>
<button id="button" onclick="document.getElementsByTagName('row')[0].style.display='-moz-grid-group'" label="Mozilla should not crash, when clicking this button"/>
</window>
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