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https://bugzilla.mozilla.org/show_bug.cgi?id=677638
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<title>Test for Bug 677638 - unshipped message port queue</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<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>
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