gecko/accessible/tests/mochitest/test_descr.html

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<html>
<head>
<title>nsIAccessible::description tests</title>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<script type="application/javascript"
src="chrome://mochikit/content/MochiKit/packed.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript"
src="chrome://mochikit/content/a11y/accessible/common.js"></script>
<script type="application/javascript">
function testDescr(aAccOrElmOrID, aDescr)
{
var acc = getAccessible(aAccOrElmOrID);
if (!acc)
return;
is(acc.description, aDescr,
"Wrong description for " + prettyName(aAccOrElmOrID));
}
function doTest()
{
// Description from aria-describedby attribute
testDescr("img1", "aria description");
// No description from @title attribute because it is used to generate
// name.
testDescr("img2", "");
// Description from @title attribute, name is generated from @alt
// attribute.
testDescr("img3", "description");
// Description from content of h2.
testDescr("p", "heading");
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
addA11yLoadEvent(doTest);
</script>
</head>
<body>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=489944"
title="@title attribute no longer exposed on accDescription">
Mozilla Bug 489944
</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
<p id="description">aria description</p>
<img id="img1" aria-describedby="description" />
<img id="img2" title="title" />
<img id="img3" alt="name" title="description" />
<h2 id="heading">heading</h2>
<p id="p" aria-describedby="heading" role="button">click me</p>
</body>
</html>