gecko-dev/dom/events/test/test_bug450876.html

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<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=450876
-->
<head>
<title>Test for Bug 450876 - Crash [@ nsEventStateManager::GetNextTabbableMapArea] with img usemap and tabindex</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.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=450876">Mozilla Bug 450876</a>
<p id="display"><a href="#" id="a">link to focus from</a><img usemap="#a" tabindex="1"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 450876 **/
function setTabFocus() {
// Override tab focus behavior on Mac */
SpecialPowers.pushPrefEnv({ set: [[ "accessibility.tabfocus", 7 ]] }, doTest);
}
function doTest() {
is(document.activeElement, document.body, "body element should be focused");
document.getElementById('a').focus();
is(document.activeElement, document.getElementById('a'), "link should have focus");
is(document.hasFocus(), true, "document should be focused");
synthesizeKey("KEY_Tab");
is(document.activeElement, document.body, "body element should be focused");
is(document.hasFocus(), false, "document should not be focused");
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(setTabFocus);
</script>
</pre>
</body>
</html>