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Test Info:

<!DOCTYPE html>
<title>Worker cross-origin URL</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
async_test(function(t) {
try {
w.onerror = t.step_func_done(function(e) {
assert_true(e instanceof Event);
});
} catch (e) {
assert_throws_dom("SecurityError", () => {throw e}, "DOMExceptions thrown on cross-origin Worker construction must be SecurityErrors");
t.done();
}
}, "Cross-origin classic workers should fail to fetch");
async_test(function(t) {
try {
var w = new Worker("ftp://example.org/support/WorkerBasic.js", {type: "module"});
w.onerror = t.step_func_done(function(e) {
assert_true(e instanceof Event);
});
} catch (e) {
assert_throws_dom("SecurityError", () => {throw e}, "DOMExceptions thrown on cross-origin module Worker construction must be SecurityErrors");
t.done();
}
}, "Cross-origin module workers should fail to fetch");
</script>