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

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<!--
Any copyright is dedicated to the Public Domain.
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<html>
<head>
<title>Test for DOM Worker Threads</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
"use strict";
try {
var worker = new Worker("about:blank");
ok(false, "Shouldn't success!");
worker.onmessage = function(event) {
ok(false, "Shouldn't get a message!");
SimpleTest.finish();
}
worker.onerror = function(event) {
ok(false, "Shouldn't get a error message!");
SimpleTest.finish();
}
} catch (e) {
ok(!worker, "worker should not be created");
is(e.name, "SecurityError", "SecurityError should be thrown");
is(e.code, DOMException.SECURITY_ERR, "SECURITY_ERR should be thrown");
}
(function(){
function workerfunc() {
try {
var subworker = new Worker("about:blank");
postMessage({});
} catch (e) {
postMessage({name: e.name, code: e.code});
}
}
var b = new Blob([workerfunc+'workerfunc();']);
var u = URL.createObjectURL(b);
function callworker(i) {
try {
var w = new Worker(u);
URL.revokeObjectURL(u);
is(i, 0, 'worker creation succeeded');
} catch (e) {
is(i, 1, 'worker creation failed');
SimpleTest.finish();
return;
}
w.onmessage = function(e) {
is(e.data.name, "SecurityError", "SecurityError should be thrown");
is(e.data.code, DOMException.SECURITY_ERR, "SECURITY_ERR should be thrown");
if (++i < 2) callworker(i);
else SimpleTest.finish();
};
}
callworker(0);
})();
SimpleTest.waitForExplicitFinish();
</script>
</pre>
</body>
</html>