chromium/third_party/blink/web_tests/external/wpt/shadow-dom/untriaged/user-interaction/active-element/test-001.html

<!DOCTYPE html>
<html>
<head>
<title>Shadow DOM Test: A_07_03_01</title>
<link rel="author" title="Sergey G. Grekhov" href="mailto:[email protected]">
<link rel="help" href="http://www.w3.org/TR/2013/WD-shadow-dom-20130514/#active-element">
<meta name="assert" content="User Interaction: each shadow root must also have an activeElement property to store the value of the focused element in the shadow tree.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../../../html/resources/common.js"></script>
<script src="../../../resources/shadow-dom-utils.js"></script>
</head>
<body>
<div id="log"></div>
<script>
test(unit(function (ctx) {
    var d = newRenderedHTMLDocument(ctx);

    var host = d.createElement('div');
    d.body.appendChild(host);
    var s = host.attachShadow({mode: 'open'});

    var inp = d.createElement('input');
    inp.setAttribute('type', 'text');
    inp.setAttribute('id', 'inpId');
    inp.setAttribute('value', 'Some text');
    s.appendChild(inp);

    inp.focus();

    assert_equals(s.activeElement.tagName, 'INPUT', 'Point 1:activeElement property of shadow root ' +
            'must return the value of the focused element in the shadow tree');
    assert_equals(s.activeElement.getAttribute('id'), 'inpId', 'Point 2:activeElement property of shadow root ' +
        'must return the value of the focused element in the shadow tree');

}), 'A_07_03_01_T01');
</script>
</body>
</html>