test_bug876098.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=876098

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 876098</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 876098 **/

  var div = document.createElement("div");

  // count has to be large enough to trigger ion-compilation

  var count = 2000;

  // Separate function to make sure nothing weird we do block the ion-compile

  (function() {

    for (var i = 0; i < count; ++i) {

      var span = document.createElement("span");

      span.x = "foo";

      div.appendChild(span);

  })();

  SpecialPowers.gc();

  function allHaveProp() {

    var kids = div.childNodes;

    for (var i = 0; i < count; ++i) {

      if (kids[i].x != "foo") {

        return false;

    return true;

  ok(allHaveProp(), "All spans should have the property we added");

  </script>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=876098">Mozilla Bug 876098</a>

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

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

</div>

<pre id="test">

</pre>

</body>

</html>