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products/Sources/formale Sprachen/C/Firefox/dom/base/test/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 2 kB

Quelle test_window_element_enumeration.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/base/test/test_window_element_enumeration.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 959992</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=959992">Mozilla Bug 959992</a>
<p id="display"></p>
<div id="content" style="display: none">
  <img id="one" name="two">
  <div id="three" name="four"></div>
  <div id=""></div>
  <img name="">
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 959992 */
    var names1 = Object.getOwnPropertyNames(window);
    var names2 = [];
    var gsp = Object.getPrototypeOf(Window.prototype);
    var names3 = Object.getOwnPropertyNames(gsp);
    for (var i in window) {
      names2.push(i);
    }

    // Per WebIDL spec, [[OwnPropertyKeys]] for the named properties object
    // returns only @@toStringTag unless the legacy pref is enabled.
    var legacyOwnPropertyKeys = SpecialPowers.getBoolPref(
      "dom.window.named_properties_object.legacy_own_property_keys", false);

    is(names1.indexOf(""), -1,
       "Element with empty id/name should not be in our own prop list");
    is(names2.indexOf(""), -1,
       "Element with empty id/name name should not be in our enumeration list");
    is(names3.indexOf(""), -1,
       "Element with empty id/name should not be in GSP own prop list");

    is(names1.indexOf("one"), -1,
       "<img> with id should not be in our own prop list");
    is(names2.indexOf("one"), -1,
       "<img> with id should not be in our enumeration list");
    is(names3.indexOf("one") != -1, legacyOwnPropertyKeys,
       "<img> with id in GSP own prop list should match legacy pref");

    is(names1.indexOf("two"), -1,
       "<img> with name should not be in our own prop list");
    is(names2.indexOf("two"), -1,
       "<img> with name should not be in our enumeration list");
    is(names3.indexOf("two") != -1, legacyOwnPropertyKeys,
       "<img> with name in GSP own prop list should match legacy pref");

    is(names1.indexOf("three"), -1,
       "<div> with id should not be in our own prop list");
    is(names2.indexOf("three"), -1,
       "<div> with id should not be in our enumeration list");
    if (legacyOwnPropertyKeys) {
      todo_isnot(names3.indexOf("three"), -1,
                 "<div> with id should be in GSP own prop list");
    } else {
      is(names3.indexOf("three"), -1,
         "<div> with id should not be in GSP own prop list (spec behavior)");
    }

    is(names1.indexOf("four"), -1,
       "<div> with name should not be in our own prop list");
    is(names2.indexOf("four"), -1,
       "<div> with name should not be in our enumeration list");
    is(names3.indexOf("four"), -1,
       "<div> with name should not be in GSP own prop list");
</script>
</pre>
</body>
</html>

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