<!DOCTYPE html>
<html>
<script src="../../../resources/js-test-pre.js"></script>
<body onload="runTest()">
<script>
description("Tests that MessageEvent.source is correct and can be used for messaging.");
jsTestIsAsync = true;

if (window.testRunner)
    testRunner.dumpChildFramesAsText();

counter = 1;

window.onmessage = function(e) {
    debug("* Parent received message " + e.data + " from child");
    messageEvent = e;
    shouldBe("messageEvent.source", "frames[0]");
    shouldBe("messageEvent.data", "counter + 1");
    if (messageEvent.data > 5) {
        finishJSTest();
        return;
    }
    counter = messageEvent.data + 1;
    debug("* Sending message " + counter + " to child");
    messageEvent.source.postMessage(counter, "*");
}

function runTest()
{
    debug("* Sending message " + counter + " to child");
    frames[0].postMessage(counter, "*");
}

</script>
<iframe src="resources/messageevent-source-postmessage-frame.html"></iframe>
<script src="../../../resources/js-test-post.js"></script>
</body>
</html>