Quelle test_bug985988.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/events/test/test_bug985988.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 985988</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  /** Test for Bug 985988 **/

  function handler() {
    return false;
  }

  function reversedHandler() {
    return true;
  }

  function test() {
    var t = document.getElementById("testtarget");

    t.onclick = handler;
    var e = new MouseEvent("click", {cancelable: true});
    t.dispatchEvent(e);
    ok(e.defaultPrevented, "Should have prevented default handling.");

    t.onclick = reversedHandler;
    e = new MouseEvent("click", {cancelable: true});
    t.dispatchEvent(e);
    ok(!e.defaultPrevented, "Shouldn't have prevented default handling.");

    t.onmouseover = handler;
    e = new MouseEvent("mouseover", {cancelable: true});
    t.dispatchEvent(e);
    ok(e.defaultPrevented, "Should have prevented default handling.");

    t.onmouseover = reversedHandler;
    e = new MouseEvent("mouseover", {cancelable: true});
    t.dispatchEvent(e);
    ok(!e.defaultPrevented, "Shouldn't have prevented default handling.");

    // error does not have reversed meaning for handler return value on
    // non-globals.
    t.onerror = handler;
    e = new ErrorEvent("error", {cancelable: true});
    t.dispatchEvent(e);
    ok(e.defaultPrevented, "Should have prevented default handling.");

    t.onerror = reversedHandler;
    e = new ErrorEvent("error", {cancelable: true});
    t.dispatchEvent(e);
    ok(!e.defaultPrevented, "Shouldn't have prevented default handling.");

    // error has reversed meaning for handler return value on globals.
    t = document.getElementById("testtarget2").contentWindow;
    t.onerror = reversedHandler;
    e = new ErrorEvent("error", {cancelable: true});
    t.dispatchEvent(e);
    ok(e.defaultPrevented, "Should have prevented default handling.");

    t.onerror = handler;
    e = new ErrorEvent("error", {cancelable: true});
    t.dispatchEvent(e);
    ok(!e.defaultPrevented, "Shouldn't have prevented default handling.");

    SimpleTest.finish();
  }

  SimpleTest.waitForExplicitFinish();
  addLoadEvent(test);

  </script>
</head>
<body onload="test()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=985988">Mozilla Bug 985988</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<a href="#" id="testtarget">test target</a>
<iframe id="testtarget2"></iframe>
<pre id="test">
</pre>
</body>
</html>

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