<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=912456 --> <head> <meta charset="utf-8"> <title>Test for Bug 912456 - 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=912456">Mozilla Bug 912456</a> <script type="application/javascript"> function testTransfer() { var a = new MessageChannel(); ok(a, "MessageChannel created"); window.addEventListener('message', receiveMessage, false); function receiveMessage(evt) { ok(evt.data.port, "Port has been received!"); var a = new MessageChannel(); ok(a, "MessageChannel created"); try { evt.data.port.postMessage({port: a.port2}); ok(false, "PostMessage should throw! - no transfered port"); } catch(e) { ok(true, "PostMessage should throw! - no transfered port"); } try { evt.data.port.postMessage({port: a.port2}, [a.port2, a.port2]); ok(false, "PostMessage should throw - no duplicate!"); } catch(e) { ok(true, "PostMessage should throw - no duplicate!"); } evt.data.port.postMessage({port: a.port2}, [a.port2]); } a.port1.onmessage = function(evt) { ok(evt.data.port, "Port has been received!"); window.removeEventListener('message', receiveMessage); runTest(); } try { postMessage({ port: a.port2}, 42, '*'); ok(false, "PostMessage should throw! - no transfered port"); } catch(e) { ok(true, "PostMessage should throw! - no transfered port"); } try { postMessage({ port: a.port2}, 42, '*', [a.port2, a.port2]); ok(false, "PostMessage should throw - no duplicate!"); } catch(e) { ok(true, "PostMessage should throw - no duplicate!"); } postMessage({port: a.port2}, '*', [a.port2]); } function testPorts() { var a = new MessageChannel(); ok(a, "MessageChannel created"); window.addEventListener('message', receiveMessage, false); function receiveMessage(evt) { ok(evt.data, "Data is 42"); ok(evt.ports, "Port is received"); is(evt.ports.length, 1, "Ports.length is 1"); var a = new MessageChannel(); ok(a, "MessageChannel created"); evt.ports[0].postMessage(42, [a.port2]); } a.port1.onmessage = function(evt) { ok(evt.data, "Data is 42"); ok(evt.ports, "Port is received"); is(evt.ports.length, 1, "Ports.length is 1"); window.removeEventListener('message', receiveMessage); runTest(); } postMessage(42, '*', [a.port2]); } var tests = [ testTransfer, testPorts ]; function runTest() { if (!tests.length) { SimpleTest.finish(); return; } var test = tests.shift(); test(); } SimpleTest.waitForExplicitFinish(); runTest(); </script> </body> </html>