<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1089417 --> <head> <meta charset="utf-8"> <title>Test for Bug 1089417</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="application/javascript"> /** Test for Bug 1089417 **/ SimpleTest.waitForExplicitFinish(); function run() { var f = document.getElementById("f"); var fwin = f.contentWindow; var fdoc = f.contentDocument; f.height = "400"; fdoc.getElementById("s").disabled = false; is(fwin.getComputedStyle(fdoc.documentElement).backgroundColor, "rgb(0, 128, 0)", "media query change should have restyled"); f.height = "200"; fdoc.getElementById("s").disabled = true; fdoc.getElementById("s").disabled = false; is(fwin.getComputedStyle(fdoc.documentElement).backgroundColor, "rgb(255, 0, 0)", "media query change should have restyled"); SimpleTest.finish(); } </script> </head> <body onload="run()"> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1089417">Mozilla Bug 1089417</a> <div id="display"> <iframe id="f" src="file_bug1089417_iframe.html" width="300" height="200"></iframe> </div> <pre id="test"> </pre> </body> </html>