<html> <head> <title>Testcase bug - Crash [@ nsEventListenerManager::FixContextMenuEvent] when firing contextmenu event in display: none iframe</title> </head> <body> This page should not crash Mozilla <iframe style="display: none;"></iframe> <script> function docontextmenu(i){ var doc = window.frames[0].document; var ev = doc.createEvent ('MouseEvents'); ev.initMouseEvent('contextmenu', true,true, window, 3,5, 5, 400, 400, 0, 0, 0,0,0,null); doc.dispatchEvent(ev); } setTimeout(docontextmenu,0); </script> </body> </html>