Quelle test_bug372964.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/base/test/test_bug372964.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 372964</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=372964">Mozilla Bug 372964</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 372964 **/

var expectedEventType = "";
var shouldBeTrusted = false;
var eventHandlerCallCount = 0;

function eventHandler(evt) {
  ++eventHandlerCallCount;
  is(evt.type, expectedEventType, "Wrong event type");
  is(evt.isTrusted, shouldBeTrusted, "Wrong .isTrusted");
}

function test(trusted, type, removeAddedListener, removeSetListener, allowUntrusted) {
  if (trusted) {
    var x1 = SpecialPowers.wrap(new XMLHttpRequest());
  } else {
    x1 = new XMLHttpRequest();
  }

  var handlerCount = 0;
  if (trusted || allowUntrusted || allowUntrusted == undefined) {
    ++handlerCount;
  }

  if (allowUntrusted == undefined) {
    // Test .addEventListener with 3 parameters.
    x1.addEventListener(type, eventHandler);
  } else {
    // Test .addEventListener with 4 parameters.
    x1.addEventListener(type, eventHandler, false, allowUntrusted);
  }

  if (("on" + type) in x1) {
    ++handlerCount;
    x1["on" + type] = eventHandler;
  }

  if (removeAddedListener) {
    x1.removeEventListener(type, eventHandler);
    if (trusted || allowUntrusted || allowUntrusted == undefined) {
      --handlerCount;
    }
  }

  if (removeSetListener) {
    if (("on" + type) in x1) {
      --handlerCount;
      x1["on" + type] = null;
    }
  }

  var e1 = document.createEvent("Events");
  e1.initEvent(type, true, true);
  expectedEventType = type;
  shouldBeTrusted = trusted;
  var ecc = eventHandlerCallCount;
  x1.dispatchEvent(e1);
  is(eventHandlerCallCount, ecc + handlerCount,
     "Wrong number event handler calls. (1)");

  e1 = document.createEvent("Events");
  e1.initEvent(type, true, true);
  expectedEventType = type;
  // Set trusted since open() may cause events to be sent.
  shouldBeTrusted = true;
  x1.open("GET", window.location);
  x1.abort(); // This should not remove event listeners.
  ecc = eventHandlerCallCount;
  shouldBeTrusted = trusted;
  x1.dispatchEvent(e1);
  is(eventHandlerCallCount, ecc + handlerCount,
     "Wrong number event handler calls. (2)");

  e1 = document.createEvent("Events");
  e1.initEvent(type, true, true);
  expectedEventType = type;
  // Set trusted since open()/send() may cause events to be sent.
  shouldBeTrusted = true;
  x1.open("GET", window.location);
  x1.send("");
  x1.abort(); // This should not remove event listeners!
  ecc = eventHandlerCallCount;
  shouldBeTrusted = trusted;
  x1.dispatchEvent(e1);
  is(eventHandlerCallCount, ecc + handlerCount,
     "Wrong number event handler calls. (3)");
}

var events =
  ["load", "error", "progress", "readystatechange", "foo"];

do {
  var e = events.shift();
  test(false, e, false, false);
  test(false, e, false, true);
  test(false, e, true,  false);
  test(false, e, true,  true);
  test(true,  e, false, false);
  test(true,  e, false, true);
  test(true,  e, true,  false);
  test(true,  e, true,  true);

  test(false, e, false, false, false);
  test(false, e, false, false, true);
  test(false, e, false, true,  false);
  test(false, e, false, true,  true);
  test(false, e, true,  false, false);
  test(false, e, true,  false, true);
  test(false, e, true,  true,  false);
  test(false, e, true,  true,  true);
  test(true,  e, false, false, false);
  test(true,  e, false, false, true);
  test(true,  e, false, true,  false);
  test(true,  e, false, true,  true);
  test(true,  e, true,  false, false);
  test(true,  e, true,  false, true);
  test(true,  e, true,  true,  false);
  test(true,  e, true,  true,  true);
} while(events.length);

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

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