workers/SharedWorker-exception.html

<!DOCTYPE html>
<title>This test checks whether exceptions in SharedWorkers are logged to the parent document. An exception should be logged to the error console.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/SharedWorker-create-common.js"></script>
<script>
// Ignore any error event fired on window in this test. This is tested
// separately in SharedWorker-exception-propagation.html.
setup({ allow_uncaught_exception: true });

async_test(function(t) {
    var worker = createWorker();
    worker.postMessage("throw");
    worker.postMessage("ping");
    worker.onmessage = function(evt) {
        // Wait for response from ping - that's how we know we have thrown the exception.
        if (evt.data == "PASS: Received ping message") {
            t.done();
        }
    };
});
</script>