The Tor Browser: layout/inspector/tests/test

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!DOCTYPE HTML>

     2 <html>

     3 <!--

     4 https://bugzilla.mozilla.org/show_bug.cgi?id=536379

     5 -->

     6 <head>

     7   <title>Test for Bug 536379</title>

     8   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

    10   <link rel="stylesheet" type="text/css" href="data:text/css,p { color: green }">

    11   <link rel="stylesheet" type="text/css" href="data:text/css,p { color: green }">

    12 </head>

    13 <body>

    14 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=536379">Mozilla Bug 536379</a>

    15 <p id="display"></p>

    16 <pre id="test">

    17 <script type="application/javascript">

    19 /** Test for Bug 536379 **/

    21 const CI = SpecialPowers.Ci;

    22 const CC = SpecialPowers.Cc;

    24 var domUtils =

    25   CC["@mozilla.org/inspector/dom-utils;1"].getService(CI.inIDOMUtils);

    26 var rules = domUtils.getCSSStyleRules(document.getElementById("display"));

    27 var firstPRule =

    28   rules.GetElementAt(rules.Count() - 2).QueryInterface(CI.nsIDOMCSSStyleRule);

    29 firstPRule.style.removeProperty("color");

    30 ok(true, "should not crash");

    32 var links = document.getElementsByTagName("link");

    33 is(links.length, 3, "links.length");

    34 is(SpecialPowers.unwrap(firstPRule.parentStyleSheet), links[1].sheet, "sheet match for first P rule");

    35 var secondPRule =

    36   rules.GetElementAt(rules.Count() - 1).QueryInterface(CI.nsIDOMCSSStyleRule);

    37 is(SpecialPowers.unwrap(secondPRule.parentStyleSheet), links[2].sheet, "sheet match for second P rule");

    38 is(links[1].href, links[2].href, "links should have same href");

    39 isnot(links[1].sheet, links[2].sheet, "links should have different sheets");

    40 isnot(firstPRule, secondPRule, "rules should be different");

    41 isnot(firstPRule.cssText, secondPRule.cssText, "text should be different since property was removed from one");

    43 </script>

    44 </pre>

    45 </body>

    46 </html>

The Tor Browser / file revision