Quelle test_bug328885.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/events/test/test_bug328885.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 328885</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.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=328885">Mozilla Bug 328885</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<input type="text" id="inputelement"
       style="position: absolute; left: 0px; top: 0px;">
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 328885 **/

  var inputelement = null;
  var mutationCount = 0;

  function mutationListener(evt) {
    ++mutationCount;
  }

  function clickTest() {
    inputelement.addEventListener("DOMSubtreeModified", mutationListener);
    inputelement.addEventListener("DOMNodeInserted", mutationListener);
    inputelement.addEventListener("DOMNodeRemoved", mutationListener);
    inputelement.addEventListener("DOMNodeRemovedFromDocument", mutationListener);
    inputelement.addEventListener("DOMNodeInsertedIntoDocument", mutationListener);
    inputelement.addEventListener("DOMAttrModified", mutationListener);
    inputelement.addEventListener("DOMCharacterDataModified", mutationListener);

    inputelement.addEventListener('click',
      function(event) {
        var evt = SpecialPowers.wrap(event);
        ok(SpecialPowers.wrap(HTMLDivElement).isInstance(evt.originalTarget),
           "(1) Wrong originalTarget!");
        is(SpecialPowers.unwrap(evt.originalTarget.parentNode), inputelement,
           "(2) Wront parent node!");
        ok(mutationCount == 0, "(3) No mutations should have happened! [" + mutationCount + "]");
        evt.originalTarget.textContent = "foo";
        ok(mutationCount == 0, "(4) Mutation listener shouldn't have been called! [" + mutationCount + "]");
        evt.originalTarget.innerHTML = "foo2";
        ok(mutationCount == 0, "(5) Mutation listener shouldn't have been called! [" + mutationCount + "]");
        evt.originalTarget.lastChild.data = "bar";
        ok(mutationCount == 0, "(6) Mutation listener shouldn't have been called! [" + mutationCount + "]");

        var r = SpecialPowers.wrap(document.createRange());
        r.selectNodeContents(evt.originalTarget);
        r.deleteContents();
        ok(mutationCount == 0, "(7) Mutation listener shouldn't have been called! [" + mutationCount + "]");

        evt.originalTarget.textContent = "foo";
        ok(mutationCount == 0, "(8) Mutation listener shouldn't have been called! [" + mutationCount + "]");
        r = SpecialPowers.wrap(document.createRange());
        r.selectNodeContents(evt.originalTarget);
        r.extractContents();
        ok(mutationCount == 0, "(9) Mutation listener shouldn't have been called! [" + mutationCount + "]");

        evt.originalTarget.setAttribute("foo", "bar");
        ok(mutationCount == 0, "(10) Mutation listener shouldn't have been called! ["+ mutationCount + "]");

        // We played with the internal div, now restore its initial state
        evt.originalTarget.replaceChildren(new Text());

        // Same tests with non-native-anononymous element.
        // mutationCount should be increased by 2 each time, since there is
        // first a mutation specific event and then DOMSubtreeModified.
        inputelement.textContent = "foo";
        ok(mutationCount == 2, "(11) Mutation listener should have been called! [" + mutationCount + "]");
        inputelement.lastChild.data = "bar";
        ok(mutationCount == 4, "(12) Mutation listener should have been called! [" + mutationCount + "]");

        r = document.createRange();
        r.selectNodeContents(inputelement);
        r.deleteContents();
        ok(mutationCount == 6, "(13) Mutation listener should have been called! [" + mutationCount + "]");

        inputelement.textContent = "foo";
        ok(mutationCount == 8, "(14) Mutation listener should have been called! [" + mutationCount + "]");
        r = document.createRange();
        r.selectNodeContents(inputelement);
        r.extractContents();
        ok(mutationCount == 10, "(15) Mutation listener should have been called! [" + mutationCount + "]");

        inputelement.setAttribute("foo", "bar");
        ok(mutationCount == 12, "(16) Mutation listener should have been called! ["+ mutationCount + "]");

        // Then try some mixed mutations. The mutation handler of non-native-a
        inputelement.addEventListener("DOMAttrModified",
          function (evt2) {
            evt.originalTarget.setAttribute("foo", "bar" + mutationCount);
            ok(evt.originalTarget.getAttribute("foo") == "bar" + mutationCount,
               "(17) Couldn't update the attribute?!?");
          });
        inputelement.setAttribute("foo", "");
        ok(mutationCount == 14, "(18) Mutation listener should have been called! ["+ mutationCount + "]");

        inputelement.textContent = "foo";
        ok(mutationCount == 16, "(19) Mutation listener should have been called! ["+ mutationCount + "]");
        inputelement.addEventListener("DOMCharacterDataModified",
          function (evt2) {
            evt.originalTarget.textContent =  "bar" + mutationCount;
          });
        // This one deletes and inserts a new node, then DOMSubtreeModified.
        inputelement.textContent = "bar";
        ok(mutationCount == 19, "(20) Mutation listener should have been called! ["+ mutationCount + "]");
      });
    synthesizeMouseAtCenter(inputelement, {}, window);
    SimpleTest.finish();
  }

  function doTest() {
    inputelement = document.getElementById('inputelement');
    inputelement.focus();
    setTimeout(clickTest, 100);
  }

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

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

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