<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=795418 --> <head> <meta charset="utf-8"> <title>Test for Bug 1332876</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1332876">Mozilla Bug 1332876</a> <p id="display"></p> <div id="content" style="display: none"> </div> <iframe src="data:text/html,<html><body><span>Edit me!</span>"></iframe> <pre id="test"> <script type="application/javascript"> /** Test for Bug 1332876 **/ SimpleTest.waitForExplicitFinish(); SimpleTest.waitForFocus(function() { var iframe = document.querySelector("iframe"); iframe.contentDocument.designMode='on'; iframe.contentWindow.addEventListener('keypress', function() { iframe.style.display='none'; document.body.offsetHeight; ok(true, "did not crash"); SimpleTest.finish(); }); iframe.contentWindow.addEventListener('click', function() { synthesizeKey('a', {}, iframe.contentWindow); }); synthesizeMouse(iframe,20,20,{}) }); </script> </pre> </body> </html>