<!DOCTYPE html>
<html>
<head>
<title>Shadow DOM Test: Confirm activeElement return null</title>
<link rel="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
<link rel="author" title="Masaya Iseki" href="mailto:iseki.m.aa@gmail.com">
<link rel="help" href="http://w3c.github.io/webcomponents/spec/shadow/#attributes">
<meta name="assert" content="ShadowRoot Object: confirm activeElement return null">
<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'});

    assert_equals(s.activeElement, null, 'activeElement attribute of the ShadowRoot must return null if there\'s no focused element');

}), 'confirm activeElement return null');


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');
    d.body.appendChild(inp);

    inp.focus();

    assert_equals(s.activeElement, null, 'activeElement attribute of the ShadowRoot must return null if there\'s no focused element in the shadow tree');

}), 'confirm activeElement return null when there is other element in body');


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');
    d.body.appendChild(inp);

    var inp2 = d.createElement('input');
    s.appendChild(inp2);

    inp.focus();

    assert_equals(s.activeElement, null, 'activeElement attribute of the ShadowRoot must return null if there\'s no focused element in the shadow tree');

}), 'confirm activeElement return null when focus on the element in the outer shadow tree');
</script>
</body>
</html>
