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diff --git a/dom/messagechannel/tests/test_messageChannel_unshipped.html b/dom/messagechannel/tests/test_messageChannel_unshipped.html
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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 - unshipped message port queue</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 test_orderedMessages() {
+ var a = new MessageChannel();
+ ok(a, "MessageChannel created");
+
+ var b = new MessageChannel();
+ ok(b, "MessageChannel created");
+
+ var expectedNumber = 1;
+ function testEvent(number, id) {
+ is(expectedNumber, number, "This is the right number!");
+ ok(!((expectedNumber - id) % 4), "From the right port: " + expectedNumber + " " + id);
+ expectedNumber++;
+
+ if (expectedNumber >100) {
+ runTests();
+ }
+ }
+
+ a.port1.onmessage = function(evt) {
+ testEvent(evt.data, 2);
+ };
+
+ a.port2.onmessage = function(evt) {
+ testEvent(evt.data, 1);
+ };
+
+ b.port1.onmessage = function(evt) {
+ testEvent(evt.data, 4);
+ };
+
+ b.port2.onmessage = function(evt) {
+ testEvent(evt.data, 3);
+ };
+
+ for (var i = 0; i < 100;) {
+ a.port1.postMessage(++i);
+ a.port2.postMessage(++i);
+ b.port1.postMessage(++i);
+ b.port2.postMessage(++i);
+ }
+ }
+
+ function test_unstarted() {
+ var a = new MessageChannel();
+ ok(a, "MessageChannel created");
+
+ var b = new MessageChannel();
+ ok(b, "MessageChannel created");
+
+ var expectedNumber = 1;
+ function testEvent(number, id) {
+ is(expectedNumber, number, "This is the right number!");
+ ok(!((expectedNumber - id) % 3), "From the right port: " + expectedNumber + " " + id);
+ expectedNumber++;
+
+ // 102 because it's the first multiple of 3.
+ if (expectedNumber > 102) {
+ runTests();
+ }
+ }
+
+ a.port1.onmessage = function(evt) {
+ testEvent(evt.data, 2);
+ };
+
+ a.port2.onmessage = function(evt) {
+ testEvent(evt.data, 1);
+ };
+
+ b.port1.addEventListener("message", function() {
+ ok(false, "shouldn't be called");
+ });
+
+ b.port2.onmessage = function(evt) {
+ testEvent(evt.data, 3);
+ };
+
+ for (var i = 0; i < 100;) {
+ a.port1.postMessage(++i);
+ a.port2.postMessage(++i);
+ b.port1.postMessage(++i);
+ b.port2.postMessage(1000);
+ }
+ }
+
+ var tests = [
+ test_orderedMessages,
+ test_unstarted
+ ];
+
+ function runTests() {
+ if (!tests.length) {
+ SimpleTest.finish();
+ return;
+ }
+
+ var test = tests.shift();
+ test();
+ }
+
+ SimpleTest.waitForExplicitFinish();
+ runTests();
+ </script>
+</body>
+</html>