The Tor Browser: layout/inspector/tests/chrome/test

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

     1 <?xml version="1.0"?>

     2 <!--

     3 vim: set ts=2 et sw=2 tw=80:

     4 Any copyright is dedicated to the Public Domain.

     5 http://creativecommons.org/publicdomain/zero/1.0/

     6 -->

     7 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>

     8 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>

     9 <?xml-stylesheet type="text/css" href="test_bug727834.css"?>

    10 <window title="Mozilla Bug 727834"

    11         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"

    12         onload="RunTests();">

    13   <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

    14   <script type="application/javascript"><![CDATA[

    15 /** Test for Bug 727834 - Add an API to (re)parse a style sheet in place **/

    17 function RunTests() {

    18   SimpleTest.waitForExplicitFinish();

    20   let DOMUtils = Components.classes["@mozilla.org/inspector/dom-utils;1"]

    21                    .getService(Components.interfaces.inIDOMUtils);

    22   let body = document.querySelector("body");

    23   let testSheet = document.styleSheets[2];

    24   let rule = document.styleSheets[2].cssRules[0];

    26   is(testSheet.cssRules.length, 1,

    27      "style sheet has 1 rule");

    28   is(rule.style.paddingTop, "100px",

    29      "original first rule has padding-top 100px");

    30   is(window.getComputedStyle(body).paddingTop, "100px",

    31      "original first rule applies");

    33   DOMUtils.parseStyleSheet(testSheet,

    34     "@import url(test_bug727834.css); body{background: red;}");

    36   is(testSheet.cssRules.length, 2,

    37      "style sheet now has 2 rules");

    38   is(window.getComputedStyle(body).backgroundColor, "rgb(255, 0, 0)",

    39      "background is now red");

    41   let exceptionName;

    42   try {

    43     rule.style.paddingLeft = "100px";

    44   } catch (ex) {

    45     exceptionName = ex.name;

    46   } finally {

    47     is(exceptionName, "NS_ERROR_NOT_AVAILABLE",

    48        "original rule is not available for modification anymore");

    49   }

    50   is(window.getComputedStyle(body).paddingLeft, "0px",

    51      "original rule does not apply to document");

    53   rule = testSheet.cssRules[0];

    55   is(rule.parentStyleSheet, testSheet,

    56      "rule's parent style sheet is not null");

    58   DOMUtils.parseStyleSheet(testSheet,

    59     "body{background: lime;}");

    61   is(testSheet.cssRules.length, 1,

    62      "style sheet now has 1 rule");

    63   is(window.getComputedStyle(body).backgroundColor, "rgb(0, 255, 0)",

    64      "background is now lime");

    65   is(rule.parentStyleSheet, null,

    66      "detached rule's parent style sheet is null");

    68   SimpleTest.executeSoon(function () {

    69     DOMUtils.parseStyleSheet(testSheet,

    70       "@import url(test_bug727834.css); body{background: blue;}");

    72     is(testSheet.cssRules.length, 2,

    73        "style sheet now has 2 rules");

    74     is(window.getComputedStyle(body).backgroundColor, "rgb(0, 0, 255)",

    75        "background is now blue");

    76     is(testSheet.cssRules[0].parentStyleSheet, testSheet,

    77        "parent style sheet is the test sheet");

    79     SimpleTest.finish();

    80   });

    81 }

    82   ]]></script>

    83   <body xmlns="http://www.w3.org/1999/xhtml">

    84     <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=727834">

    85       Mozilla Bug 727834 - Add an API to (re)parse a style sheet in place

    86     </a>

    87   </body>

    88 </window>

The Tor Browser / file revision