<!DOCTYPE html>
<html>
<head>
    <script src="../../resources/js-test.js"></script>
    <script>
        window.jsTestIsAsync = true;

        document.addEventListener('DOMContentLoaded', function () {
            listenForEvents(document.querySelector('#outer'));
            listenForEvents(document.querySelector('#inner1'));
            listenForEvents(document.querySelector('#inner2'));
            listenForEvents(document.querySelector('#inner3'));

            if (window.testRunner) {
                eventSender.mouseMoveTo(1, 1);
                eventSender.mouseMoveTo(90,140);
                debug("// Entering #outer");
                eventSender.mouseMoveTo(110,140);
                debug("// Entering #inner1");
                eventSender.mouseMoveTo(130,140);
                debug("// Entering #inner3 (and therefore also #inner2)");
                eventSender.mouseMoveTo(170,140);
                debug("// Leaving #inner3 and #inner2, but not #outer");
                eventSender.mouseMoveTo(180,140);
                debug("// Leaving #outer");
                eventSender.mouseMoveTo(210,140);
            }

            finishJSTest();
        });

        function handleEvent(e) {
            var phases = ['', 'capturing', 'at target', 'bubbling'];
            var target = e.target ? e.target : e.srcElement;
            if (target.id && target.id != "console") {
                debug(e.type + " (" + phases[e.eventPhase] + ") on " + target.id);
                if (e.relatedTarget && e.relatedTarget.id)
                    debug('- Related target: ' + e.relatedTarget.id);
            }

        }

        function listenForEvents(el) {
            ['mouseover', 'mouseout', 'mouseenter', 'mouseleave'].forEach(function(type) {
                el.addEventListener(type, handleEvent);
            });
        }
    </script>

    <style>
        #outer {
            background: blue;
            height: 100px;
            left: 100px;
            position: absolute;
            top: 100px;
            width: 100px;
        }

        #inner1 {
            background: red;
            height: 50px;
            left: 20px;
            position: absolute;
            top: 20px;
            width: 50px;
        }

        #inner2 {
            background: yellow;
            height: 20px;
            left: 60px;
            position: absolute;
            top: 30px;
            width: 20px;
        }

        #inner3 {
            background-color: green;
            height: 10px;
            margin: 5px;
            width: 10px;
        }
    </style>
</head>
<body>
    <div id="outer">
        <div id="inner1"></div>
        <div id="inner2">
            <div id="inner3"></div>
        </div>
    </div>
</body>
</html>