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+<!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>