gecko-dev/dom/workers/test/test_recursion.html

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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<!--
Tests of DOM Worker Threads
-->
<head>
<title>Test for DOM Worker Threads Recursion</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
// Intermittently triggers one assertion on Mac (bug 848098).
if (navigator.platform.indexOf("Mac") == 0) {
SimpleTest.expectAssertions(0, 1);
}
const testCount = 2;
var errorCount = 0;
var worker = new Worker("recursion_worker.js");
function done() {
worker.terminate();
SimpleTest.finish();
}
worker.onmessage = function(event) {
if (event.data == "Done") {
ok(true, "correct message");
}
else {
ok(false, "Bad message: " + event.data);
}
done();
}
worker.onerror = function(event) {
event.preventDefault();
if (event.message == "too much recursion") {
ok(true, "got correct error message");
++errorCount;
}
else {
ok(false, "got bad error message: " + event.message);
done();
}
}
for (var i = 0; i < testCount; i++) {
worker.postMessage("");
}
SimpleTest.waitForExplicitFinish();
</script>
</pre>
</body>
</html>