Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/C/Firefox/dom/xul/test/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 3 kB

Quelle test_bug311681.xhtml Sprache: unbekannt

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>

<window title="Mozilla Bug 311681"
  xmlns:html="http://www.w3.org/1999/xhtml"
  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

<body  xmlns="http://www.w3.org/1999/xhtml">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=311681">Mozilla Bug 311681</a>
<script class="testbody" type="text/javascript">
<![CDATA[
  // Setup script
  SimpleTest.waitForExplicitFinish();

  // Make sure to trigger the hashtable case by asking for enough elements
  // by ID.
  for (var i = 0; i < 256; ++i) {
    var x = document.getElementById(i);
  }

  // save off the document.getElementById function, since getting it as a
  // property off the document it causes a content flush.
  var fun = document.getElementById;

  // Slot for our initial element with id "content"
  var testNode;

  function getCont() {
    return fun.call(document, "content");
  }

  function testClone() {
    // Test to make sure that if we have multiple nodes with the same ID in
    // a document we don't forget about one of them when the other is
    // removed.
    var newParent = $("display");
    var node = testNode.cloneNode(true);
    isnot(node, testNode, "Clone should be a different node");

    newParent.appendChild(node);

    // Check what getElementById returns, no flushing
    is(getCont(), node, "Should be getting new node pre-flush 1")

    // Trigger a layout flush, just in case.
    let itemHeight = newParent.offsetHeight/10;

    // Check what getElementById returns now.
    is(getCont(), node, "Should be getting new node post-flush 1")

    clear(newParent);

    // Check what getElementById returns, no flushing
    is(getCont(), testNode, "Should be getting orig node pre-flush 2");

    // Trigger a layout flush, just in case.
    itemHeight = newParent.offsetHeight/10;

    // Check what getElementById returns now.
    is(getCont(), testNode, "Should be getting orig node post-flush 2");

    node = testNode.cloneNode(true);
    newParent.appendChild(node);
    testNode.remove();

    // Check what getElementById returns, no flushing
    is(getCont(), node, "Should be getting clone pre-flush");

    // Trigger a layout flush, just in case.
    // eslint-disable-next-line no-unused-vars
    itemHeight = newParent.offsetHeight/10;

    // Check what getElementById returns now.
    is(getCont(), node, "Should be getting clone post-flush");

  }

  function clear(node) {
    while (node.hasChildNodes()) {
      node.firstChild.remove();
    }
  }

  addLoadEvent(testClone);
  addLoadEvent(SimpleTest.finish);
]]>
</script>
<p id="display"></p>
<div id="content" style="display: none">
  <script class="testbody" type="text/javascript">
  <![CDATA[
    testNode = fun.call(document, "content");
    // Needs incremental XML parser
    isnot(testNode, null, "Should have node here");
  ]]>
  </script>
</div>
<pre id="test">
</pre>
</body>

</window>