test_bug895974.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=895974

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 895974</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 895974 **/

  SimpleTest.waitForExplicitFinish();

  addLoadEvent(function() {

  var frag = document.createDocumentFragment();

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

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

  var text = document.createTextNode("help");

  frag.appendChild(document.createTextNode("fail"));

  frag.appendChild(span);

  frag.appendChild(text);

  frag.appendChild(div);

  frag.appendChild(document.createTextNode("fail"));

  is(text.nextElementSibling, div, "nextElementSibling should work on text");

  is(text.previousElementSibling, span,

    "previousElementSibling should work on text");

  is(document.firstElementChild, document.documentElement,

     "firstElementChild should work on document");

  is(document.lastElementChild, document.documentElement,

     "lastElementChild should work on document");

  is(document.children.length, 1, "Document has one element kid");

  is(document.children[0], document.documentElement,

     "Document only element child is <html>");

  is(frag.firstElementChild, span,

     "firstElementChild should work on document fragment");

  is(frag.lastElementChild, div,

     "lastElementChild should work on document fragment");

  is(frag.children.length, 2, "Document fragment has two element kids");

  is(frag.children[0], span, "Document fragment first element child is span");

  is(frag.children[1], div, "Document fragment second element child is div");

  is(document.documentElement.firstElementChild, document.head,

     "firstElementChild should work on element");

  is(document.documentElement.lastElementChild, document.body,

     "lastElementChild should work on element");

  is(document.documentElement.children.length, 2, "<html> has two element kids");

  is(document.documentElement.children[0], document.head,

     "<html> first element child is head");

  is(document.documentElement.children[1], document.body,

     "<html>  second element child is body");

  SimpleTest.finish();

});

  </script>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=895974">Mozilla Bug 895974</a>

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

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

</div>

<pre id="test">

</pre>

</body>

</html>