<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=562932
-->
<head>
  <title>Test for Bug 562932</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=562932">Mozilla Bug 562932</a>
<p id="display"></p>
<div id="content" style="display: none">
  <!-- No @for, we have to check the content -->
  <label id='l1'><input id='i1'></label>
  <label id='l2'><input id='i2'><input></label>
  <label id='l3'></label>
  <label id='l4a'><fieldset id='f'>foo</fieldset></label>
  <label id='l4b'><label id='l4c'><input id='i3'></label></label>
  <label id='l4d'><label id='l4e'><input id='i3b'></label><input></label>

  <!-- With @for, we do no check the content -->
  <label id='l5' for='i1'></label>
  <label id='l6' for='i4'></label>
  <label id='l7' for='i4'><input></label>
  <label id='l8' for='i1 i2'></label>
  <label id='l9' for='i1 i2'><input></label>
  <label id='l10' for='f'></label>
  <label id='l11' for='i4'></label>
  <label id='l12' for='i5'></label>
  <label id='l13' for=''><input></label>
  <!-- <label id='l14'> is created in script -->
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 562932 **/

function checkControl(aLabelId, aElementId, aMsg)
{
  var element = null;

  if (aElementId != null) {
    element = document.getElementById(aElementId);
  }

  is(document.getElementById(aLabelId).control, element, aMsg);
}

ok('control' in document.createElement('label'),
   "label element should have a control IDL attribute");

checkControl('l1', 'i1', "label control should be the first form element");
checkControl('l2', 'i2', "label control should be the first form element");
checkControl('l3', null, "label control should be null when there is no child");
checkControl('l4a', null, "label control should be null when there is no \
             labelable form element child");
checkControl('l4b', 'i3', "label control should be the first labelable element \
             in tree order");
checkControl('l4c', 'i3', "label control should be the first labelable element \
             in tree order");
checkControl('l4d', 'i3b', "label control should be the first labelable element \
             in tree order");
checkControl('l4e', 'i3b', "label control should be the first labelable element \
             in tree order");
checkControl('l5', 'i1', "label control should be the id in @for");
checkControl('l6', null,
             "label control should be null if the id in @for is not valid");
checkControl('l7', null,
             "label control should be null if the id in @for is not valid");
checkControl('l8', null,
             "label control should be null if there are more than one id in @for");
checkControl('l9', null,
             "label control should be null if there are more than one id in @for");
checkControl('l10', null, "label control should be null if the id in @for \
             is not an id from a labelable form element");

var inputOutOfDocument = document.createElement('input');
inputOutOfDocument.id = 'i4';
checkControl('l11', null, "label control should be null if the id in @for \
             is not an id from an element in the document");

var inputInDocument = document.createElement('input');
inputInDocument.id = 'i5';
document.getElementById('content').appendChild(inputInDocument);
checkControl('l12', 'i5', "label control should be the id in @for");

checkControl('l13', null, "label control should be null if the id in @for \
             is empty");

var labelOutOfDocument = document.createElement('label');
labelOutOfDocument.htmlFor = 'i1';
is(labelOutOfDocument.control, null, "out of document label shouldn't \
   labelize a form control");

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