<!DOCTYPE HTML>
<html>
<!--
See those bugs:
https://bugzilla.mozilla.org/show_bug.cgi?id=720385
-->
<head>
  <meta charset="utf-8">
  <title>Test for option.index</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=720385">Mozilla Bug 720385</a>
<p id="display"></p>
<div id="content" style="display: none">
  <datalist>
    <option></option>
    <option></option>
  </datalist>
  <select>
    <option></option>
    <foo>
      <option></option>
      <optgroup>
        <option></option>
      </optgroup>
      <option></option>
    </foo>
    <option></option>
  </select>
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 720385 **/

var initialIndexes = [ 0, 0, 0, 1, 2, 3, 4 ];
var options = document.getElementsByTagName('option');

is(options.length, initialIndexes.length,
   "Must have " + initialIndexes.length +" options");

for (var i=0; i<options.length; ++i) {
  is(options[i].index, initialIndexes[i], "test");
}

var o = document.createElement('option');
is(o.index, 0, "option outside of a document have index=0");

document.body.appendChild(o);
is(o.index, 0, "option outside of a select have index=0");

var datalist = document.getElementsByTagName('datalist')[0];

datalist.appendChild(o);
is(o.index, 0, "option outside of a select have index=0");

datalist.removeChild(o);
is(o.index, 0, "option outside of a select have index=0");

var select = document.getElementsByTagName('select')[0];

select.appendChild(o);
is(o.index, 5, "option inside a select have an index");

select.removeChild(select.options[0]);
is(o.index, 4, "option inside a select have an index");

select.insertBefore(o, select.options[0]);
is(o.index, 0, "option inside a select have an index");

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