gecko-dev/dom/messagechannel/tests/test_messageChannel_transfe...

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=677638
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 677638 - port cloning</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=677638">Mozilla Bug 677638</a>
<div id="content"></div>
<pre id="test">
</pre>
<script type="application/javascript">
function basic_test() {
var a = new MessageChannel();
ok(a, "MessageChannel created");
window.addEventListener('message', receiveMessage);
function receiveMessage(evt) {
if (evt.data.status == 'READY') {
a.port1.postMessage({ab, cb: ab}, [ab]);
ok(ab.byteLength == 0, "PostMessage - The size is: 0 == " + ab.byteLength)
} else {
ok(false, "Unknown message");
}
}
var div = document.getElementById("content");
ok(div, "Parent exists");
var ifr = document.createElement("iframe");
ifr.addEventListener("load", iframeLoaded);
ifr.setAttribute('src', "iframe_messageChannel_post.html");
div.appendChild(ifr);
function iframeLoaded() {
ifr.contentWindow.postMessage({ port: a.port2 }, '*', [a.port2]);
}
a.port1.addEventListener('message', receivePortMessage);
function receivePortMessage(evt) {
is(evt.data.ab.byteLength, size, "The size is: " + size + " == " + ab.byteLength);
window.removeEventListener('message', receiveMessage);
runTests();
}
// Start() is not implicity invoked when addEventListener is used.
a.port1.start();
var size = 1024 * 1024 * 32;
var ab = new ArrayBuffer(size);
is(ab.byteLength, size, "The size is: " + size + " == " + ab.byteLength);
}
function port_test() {
window.addEventListener('message', receiveMessage);
function receiveMessage(evt) {
ok(evt.data.type == 'OK', evt.data.msg);
}
var a = new MessageChannel();
ok(a, "MessageChannel created");
var div = document.getElementById("content");
ok(div, "Parent exists");
var ifr = document.createElement("iframe");
ifr.addEventListener("load", iframeLoaded);
ifr.setAttribute('src', "iframe_messageChannel_transferable.html");
div.appendChild(ifr);
function iframeLoaded() {
ifr.contentWindow.postMessage('foobar!', '*', [a.port2]);
}
a.port1.onmessage = function(evt) {
ok(evt.ports.length == 1, "Iframe sent a new port!");
evt.ports[0].onmessage = function(event) {
is(event.data, "hello world!", "Message sent and received!");
runTests();
}
evt.ports[0].postMessage("hello world!");
}
}
var tests = [
basic_test,
port_test
];
function runTests() {
if (!tests.length) {
SimpleTest.finish();
return;
}
var t = tests.shift();
t();
}
SimpleTest.waitForExplicitFinish();
runTests();
</script>
</body>
</html>