<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=358660 --> <head> <title>Test for Bug 358660</title> <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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=358660">Mozilla Bug 358660</a> <p id="display"></p> <div id="content" style="display: none"> <iframe id="testframe" src="data:text/html,<html><body>Some text</body></html>"></iframe> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 358660 **/ SimpleTest.waitForExplicitFinish(); window.onload = function() { var doc = $("testframe").contentDocument; var range = doc.createRange(); range.selectNode(doc.documentElement); is(range.toString(), "Some text", "Check text"); SimpleTest.finish() } </script> </pre> </body> </html>