<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=622371 --> <head> <title>Test for Bug 622371</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="text/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=622371">Mozilla Bug 622371</a> <p id="display"></p> <div id="content"> <iframe src="data:text/html,<body contenteditable>abc</body>"></iframe> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 622371 **/ SimpleTest.waitForExplicitFinish(); addLoadEvent(function() { var i = document.querySelector("iframe"); var sel = i.contentWindow.getSelection(); var doc = i.contentDocument; var body = doc.body; i.focus(); sel.collapse(body, 1); doc.designMode = "on"; doc.designMode = "off"; is(sel.getRangeAt(0).startOffset, 1, "The start offset of the selection shouldn't change"); is(sel.getRangeAt(0).endOffset, 1, "The end offset of the selection shouldn't change"); SimpleTest.finish(); }); </script> </pre> </body> </html>