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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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dom/html/test/forms/test_option_index_attribute.html Normal file
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<!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 type="application/javascript" 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>