test_bug534149.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=534149

-->

<head>

  <title>Test for Bug 534149</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=534149">Mozilla Bug 534149</a>

<p id="display"></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 534149 **/

function getIDs(iframe) {

  var win = iframe.contentWindow;

  // Force inner creation

  win.document;

  let wgc = SpecialPowers.wrap(win).windowGlobalChild;

  return [wgc.outerWindowId, wgc.innerWindowId];

var i1 = document.createElement("iframe");

var i2 = document.createElement("iframe");

document.body.appendChild(i1);

var [i1outer, i1inner] = getIDs(i1);

document.body.appendChild(i2);

var [i2outer, i2inner] = getIDs(i2);

is(i1inner, i1outer + 1, "For frame 1, inner should come right after outer");

is(i2inner, i2outer + 1, "For frame 2, inner should come right after outer");

is(i2outer, i1inner + 1, "Frame 2 comes right after frame 1");

var innerWindowDestroyID = null;

var outerWindowDestroyID = null;

var outerObserver = {

  observe(id) {

    outerWindowDestroyID =

      SpecialPowers.wrap(id).QueryInterface(SpecialPowers.Ci.nsISupportsPRUint64).data;

    SpecialPowers.removeObserver(outerObserver, "outer-window-destroyed");

    maybeContinueTest();

};

var innerObserver = {

  observe(id) {

    innerWindowDestroyID =

      SpecialPowers.wrap(id).QueryInterface(SpecialPowers.Ci.nsISupportsPRUint64).data;

    SpecialPowers.removeObserver(innerObserver, "inner-window-destroyed");

    maybeContinueTest();

};

function removeFrame(iframe) {

  SpecialPowers.addObserver(outerObserver, "outer-window-destroyed");

  SpecialPowers.addObserver(innerObserver, "inner-window-destroyed");

  iframe.remove();

function maybeContinueTest() {

  if (innerWindowDestroyID != null &&

      outerWindowDestroyID != null) {

    is(innerWindowDestroyID, i1inner, "inner window of frame 1 should be destroyed");

    is(outerWindowDestroyID, i1outer, "outer window of frame 1 should be destroyed");

    SimpleTest.finish();

removeFrame(i1);

SimpleTest.waitForExplicitFinish();

</script>

</pre>

</body>

</html>