gecko-dev/layout/inspector/tests/test_bug536379-2.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=536379
-->
<head>
<title>Test for Bug 536379</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<link rel="stylesheet" type="text/css" href="data:text/css,@import 'data:text/css,p { color: green }'">
<link rel="stylesheet" type="text/css" href="data:text/css,@import &quot;data:text/css,@import 'data:text/css,p { color: green }'&quot;">
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=536379">Mozilla Bug 536379</a>
<p id="display"></p>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 536379 **/
const CI = SpecialPowers.Ci;
const CC = SpecialPowers.Cc;
var domUtils =
CC["@mozilla.org/inspector/dom-utils;1"].getService(CI.inIDOMUtils);
var rules = domUtils.getCSSStyleRules(document.getElementById("display"));
var firstPRule =
rules.GetElementAt(rules.Count() - 2).QueryInterface(CI.nsIDOMCSSStyleRule);
firstPRule.style.removeProperty("color");
ok(true, "should not crash");
</script>
</pre>
</body>
</html>