Quelle test_bug288392.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/events/test/test_bug288392.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 288392</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=288392">Mozilla Bug 288392</a>
<p id="display"></p>
<div id="content" style="display: none">
<div id="mutationTarget">
</div>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 288392 **/
var subtreeModifiedCount;

function subtreeModified(e)
{
  ++subtreeModifiedCount;
}

function doTest() {
  var targetNode = document.getElementById("mutationTarget");
  targetNode.addEventListener("DOMSubtreeModified", subtreeModified);

  subtreeModifiedCount = 0;
  var temp = document.createElement("DIV");
  targetNode.appendChild(temp);
  is(subtreeModifiedCount, 1,
     "Appending a child node should have dispatched a DOMSubtreeModified event");

  subtreeModifiedCount = 0;
  temp.setAttribute("foo", "bar");
  is(subtreeModifiedCount, 1,
     "Setting an attribute should have dispatched a DOMSubtreeModified event");

  subtreeModifiedCount = 0;
  targetNode.removeChild(temp);
  is(subtreeModifiedCount, 1,
     "Removing a child node should have dispatched a DOMSubtreeModified event");

  // Testing events in a subtree, which is not in the document.
  var subtree = document.createElement("div");
  var s = "Something1Something2";
  subtree.innerHTML = s;
  subtree.addEventListener("DOMSubtreeModified", subtreeModified);

  subtreeModifiedCount = 0;
  subtree.firstChild.firstChild.data = "foo";
  is(subtreeModifiedCount, 1,
     "Editing character data should have dispatched a DOMSubtreeModified event");

  subtreeModifiedCount = 0;
  subtree.firstChild.removeChild(subtree.firstChild.firstChild);
  is(subtreeModifiedCount, 1,
     "Removing a child node should have dispatched a DOMSubtreeModified event");

  subtree.innerHTML = s;
  subtreeModifiedCount = 0;
  subtree.firstChild.firstChild.remove();
  is(subtreeModifiedCount, 1,
     "Removing a child node should have dispatched a DOMSubtreeModified event");

  subtreeModifiedCount = 0;
  subtree.firstChild.setAttribute("foo", "bar");
  is(subtreeModifiedCount, 1,
     "Setting an attribute should have dispatched a DOMSubtreeModified event");

  subtreeModifiedCount = 0;
  subtree.textContent = "foobar";
  is(subtreeModifiedCount, 1,
     "Setting .textContent should have dispatched a DOMSubtreeModified event");

  subtreeModifiedCount = 0;
  subtree.innerHTML = s;
  is(subtreeModifiedCount, 1,
     "Setting .innerHTML should have dispatched a DOMSubtreeModified event");

  subtreeModifiedCount = 0;
  subtree.removeEventListener("DOMSubtreeModified", subtreeModified);
  subtree.appendChild(document.createTextNode(""));
  subtree.addEventListener("DOMSubtreeModified", subtreeModified);
  subtree.normalize();
  is(subtreeModifiedCount, 1,
     "Calling normalize() should have dispatched a DOMSubtreeModified event");
  SimpleTest.finish();
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(() => SpecialPowers.pushPrefEnv({"set": [["dom.mutation_events.enabled", true]]}, doTest));

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

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