layout/inspector/tests/test_selectormatcheselement.html
author Nicholas Nethercote <nnethercote@mozilla.com>
Tue, 07 Oct 2014 23:29:07 -0700
changeset 234277 c20e7032aa3b31b897ebe32b7c15e82d7bf480b2
parent 217127 1cda8d9d66ba29d142d3437aac4b28a4397c44e8
child 452982 70dfa99ad56b1d113c569f72137fa33e22c6c56f
permissions -rw-r--r--
Bug 1077230 - Enable the DMD test on Mac 10.8. r=glandium.

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1037519
-->
<head>
  <title>Test for nsIDOMUtils::selectorMatchesElement</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style type="text/css">
    #foo,
    #bar,
    #foo::before {
      color: red;
    }
    #foo::before,
    #bar::before {
      content: 'foo-before';
      color: green;
    }
    #foo::after,
    #bar::after {
      content: 'foo-after';
      color: blue;
    }
    #foo::first-line,
    #bar::first-line {
      text-decoration: underline;
    }
    #foo::first-letter,
    #bar::first-letter {
      font-variant: small-caps;
    }
  </style>
</head>
<body>
<div id="foo">foo content</div>
<pre id="test">
<script type="application/javascript">

function do_test() {
  var utils = SpecialPowers.Cc["@mozilla.org/inspector/dom-utils;1"]
    .getService(SpecialPowers.Ci.inIDOMUtils);

  var element = document.querySelector("#foo");

  var elementRules = utils.getCSSStyleRules(element);
  var elementRule = elementRules.GetElementAt(elementRules.Count() - 1);

  is (utils.selectorMatchesElement(element, elementRule, 0), true,
    "Matches #foo");
  is (utils.selectorMatchesElement(element, elementRule, 1), false,
    "Doesn't match #bar");
  is (utils.selectorMatchesElement(element, elementRule, 0, ":bogus"), false,
    "Doesn't match #foo with a bogus pseudo");
  is (utils.selectorMatchesElement(element, elementRule, 2, ":bogus"), false,
    "Doesn't match #foo::before with bogus pseudo");
  is (utils.selectorMatchesElement(element, elementRule, 0, ":after"), false,
    "Does match #foo::before with the :after pseudo");

  checkPseudo(":before");
  checkPseudo(":after");
  checkPseudo(":first-letter");
  checkPseudo(":first-line");

  SimpleTest.finish();

  function checkPseudo(pseudo) {
    var rules = utils.getCSSStyleRules(element, pseudo);
    var rule = rules.GetElementAt(rules.Count() - 1);

    is (utils.selectorMatchesElement(element, rule, 0), false,
      "Doesn't match without " + pseudo);
    is (utils.selectorMatchesElement(element, rule, 1), false,
      "Doesn't match without " + pseudo);

    is (utils.selectorMatchesElement(element, rule, 0, pseudo), true,
      "Matches on #foo" + pseudo);
    is (utils.selectorMatchesElement(element, rule, 1, pseudo), false,
      "Doesn't match on #bar" + pseudo);
  }
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(do_test);

</script>
</pre>
</body>
</html>