<!DOCTYPE html>
<html>
<head>
<title>Shadow DOM Test: A_05_02_03</title>
<link rel="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
<link rel="help" href="https://w3c.github.io/webcomponents/spec/shadow/#event-relatedtarget-retargeting">
<meta name="assert" content="The value of the Event object's relatedTarget attribute must be the result of the retargeting algorithm with the event's currentTarget and relatedTarget as input. The result is called a relative related target.">
<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>
var A_05_02_03_T01 = async_test('A_05_02_03_T01');

A_05_02_03_T01.step(unit(function (ctx) {

    var d = newRenderedHTMLDocument(ctx);

    var host = d.createElement('div');
    host.setAttribute('style', 'height:50%; width:100%');
    host.setAttribute('id', 'host');
    d.body.appendChild(host);

    //Shadow root to play with
    var s = host.attachShadow({mode: 'open'});

    var div1 = d.createElement('div');
    div1.setAttribute('style', 'height:100%; width:100%');
    div1.setAttribute('id', 'div1');
    s.appendChild(div1);

    host.addEventListener('mouseover', A_05_02_03_T01.step_func(function(event) {
        assert_unreached('Event listeners shouldn\'t be invoked if relative target and relative related target are the same');
    }), false);

    var evt = new MouseEvent("mouseover",
                             { relatedTarget: div1, relatedTargetScoped: true });
    div1.dispatchEvent(evt);

    A_05_02_03_T01.done();
}));
</script>
</body>
</html>
