<html>
<head></head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
if (window.layoutTestController) {
    layoutTestController.dumpAsText();
    layoutTestController.waitUntilDone();
}

var console = document.getElementById("console");

function onmessage(evt) {
    console.innerHTML += "Received message '" + evt.data + "'<br>";

    if (evt.data == 'done' && window.layoutTestController)
        layoutTestController.notifyDone();
}

window.addEventListener('message', onmessage, false);

function tryPostMessage(first, second, third) {
    try {
        if (!third)
            window.postMessage(first, second);
        else
            window.postMessage(first, second, third);
    } catch (e) {
         console.innerHTML += "FAIL: Posting message (" + first + ", " + second + "): threw exception " + e + "<br>";
    }
}

document.getElementById("description").innerHTML = "Test that the second argument of window.postMessage is ignored if it is not a message port. You should see messages '1' through '6', followed by 'done', received below.<br><br>Note that the HTML5 spec implies that an exception should be raised instead, so this test will need updating once that new behavior is implemented.<br><br>";

tryPostMessage('1', 1, '*');
tryPostMessage('2', "", '*');
tryPostMessage('3', window, '*');
tryPostMessage('4', { x: 1 }, '*');
tryPostMessage('5', null, '*');
tryPostMessage('6', void 0, '*');
tryPostMessage('done', '*');
</script>
</body>
</html>