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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 (Bug 437152)
+-->
+<head>
+ <title>Test for DOM Worker Threads (Bug 437152)</title>
+ <script type="text/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=437152">DOM Worker Threads Bug 437152</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+ const expectedErrorCount = 4;
+
+ function messageListener(event) {
+ ok(false, "Unexpected message: " + event.data);
+ SimpleTest.finish();
+ };
+
+ var actualErrorCount = 0;
+ var failedWorkers = [];
+
+ function errorListener(event) {
+ event.preventDefault();
+
+ if (failedWorkers.indexOf(event.target) != -1) {
+ ok(false, "Seen an extra error from this worker");
+ SimpleTest.finish();
+ return;
+ }
+
+ failedWorkers.push(event.target);
+ actualErrorCount++;
+
+ if (actualErrorCount == expectedErrorCount) {
+ ok(true, "all errors correctly detected");
+ SimpleTest.finish();
+ }
+ };
+
+ for (var i = 1; i <= expectedErrorCount; i++) {
+ var worker = new Worker("threadErrors_worker" + i + ".js");
+ worker.onmessage = messageListener;
+ worker.onerror = errorListener;
+ worker.postMessage("Hi");
+ }
+
+ SimpleTest.waitForExplicitFinish();
+
+</script>
+</pre>
+</body>
+</html>