<!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 type="application/javascript" 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 runTest() { var MAX = 100; var a = new MessageChannel(); ok(a, "MessageChannel created"); // Populate the message queue of this port. for (var i = 0; i < MAX; ++i) { a.port1.postMessage(i); } window.addEventListener('message', receiveMessage, false); function receiveMessage(evt) { // This test sends the port from this window to the iframe and viceversa. if (evt.data.type == 'PORT') { var port = evt.data.port; var counter = 0; port.onmessage = function(evt) { // only 1 message should be received by this port. if (counter++ == 0) { ok(evt.data % 2, "The number " + evt.data + " has been received correctly by the main window"); if (evt.data < MAX - 1) { ifr.contentWindow.postMessage({ type: 'PORT', port: port }, '*', [port]); } else { SimpleTest.finish(); } } else { ok(false, "Wrong message!"); } } } else if (evt.data.type == 'OK') { ok(true, evt.data.msg); } else if (evt.data.type == 'KO') { ok(false, evt.data.msg); } else { ok(false, "Unknown message"); } } var div = document.getElementById("content"); ok(div, "Parent exists"); var ifr = document.createElement("iframe"); ifr.addEventListener("load", iframeLoaded, false); ifr.setAttribute('src', "iframe_messageChannel_pingpong.html"); div.appendChild(ifr); function iframeLoaded() { ifr.contentWindow.postMessage({ type: 'PORT', port: a.port2 }, '*', [a.port2]); } } SimpleTest.waitForExplicitFinish(); runTest(); </script> </body> </html>