<!DOCTYPE HTML>
<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

var originatingWindow = self;

function log(passed, message) {
    var log = document.getElementById('log');
    var text = document.createTextNode((passed ? 'PASS: ' : 'FAIL: ') + message);
    var br = document.createElement('br');
    log.appendChild(text);
    log.appendChild(br);
}

function focusShouldNotChange(action, nextTest) {
    var w = window.open('about:blank', '', 'foo');
    var fail = false;

    function failHandler() { fail = true; }

    originatingWindow.addEventListener('focus', failHandler, false);
    w.addEventListener('blur', failHandler, false);

    action(w);

    originatingWindow.setTimeout(function () {
        originatingWindow.removeEventListener('focus', failHandler, false);
        w.removeEventListener('blur', failHandler, false);

        log(!fail, 'The focus should not have been changed!');

        // Cleaning and running next test.
        w.close();
        originatingWindow.setTimeout(nextTest, 0);
    }, 0);
}

function focusShouldNotChange2(url, nextTest) {
    var fail = false;
    var w;
    function failHandler() { fail = true; }

    function msgHandler() {
        originatingWindow.removeEventListener('message', msgHandler, false);
        originatingWindow.removeEventListener('focus', failHandler, false);

        log(!fail, 'The focus should not have been changed with URL=' + url);

        // Cleaning and running next test.
        w.close();
        originatingWindow.setTimeout(nextTest, 0);
    }
    originatingWindow.addEventListener('message', msgHandler, false)

    var w = window.open(url, '', 'foo');

    originatingWindow.addEventListener('focus', failHandler, false);
    w.addEventListener('blur', failHandler, false);
}

function test1() {
    focusShouldNotChange(function (aW) { aW.blur(); }, test2);
}

function test2() {
    focusShouldNotChange(function () { originatingWindow.focus(); }, test3);
}

function test3() {
    focusShouldNotChange2('data:text/html,<script>opener.focus();opener.postMessage("", "*");<\/script>', test4);
}

function test4() {
    focusShouldNotChange2('data:text/html,<script>blur();opener.postMessage("", "*");<\/script>', test5);
}

function test5()
{
    var w = window.open('about:blank', '', 'foo');
    var fail = true;

    function handler() { fail = false; }

    w.addEventListener('focus', handler, false);

    w.focus();

    originatingWindow.setTimeout(function () {
        w.removeEventListener('focus', handler, false);

        log(!fail, 'The last opened window should be able to get focus');

        w.close();
        originatingWindow.setTimeout(finished, 0);
    }, 0);
}

function finished() {
    log(true, 'All tests finished');
    if (window.testRunner)
        testRunner.notifyDone();
}

</script>
</head>
<body onload='test1()'>
<p>
Check that window.blur() does nothing, and window.focus() only works if it is
invoked from the window that opened the former. If the test passes, you should
see a series of PASS messages with the last being 'All tests finished'.
</p>
<p>
This test is adopted from <a href='http://mxr.mozilla.org/mozilla-aurora/source/dom/tests/mochitest/bugs/test_bug369306.html'>mozilla's tests</a>.
</p>
</div>
<div id='log'></div>
</body>
</html>