chromium/third_party/blink/web_tests/fast/events/window-onerror-09.html

<!DOCTYPE html>
<html>
<head>
    <script>
        window.isOnErrorTest = true;
    </script>
    <script src="../../resources/js-test.js"></script>
    <script src="resources/onerror-test.js"></script>
</head>
<body>
    <script>
        description("This test should trigger 'window.onerror', and successfully handle the error.");
        dumpOnErrorArgumentValuesAndReturn(true);

        var evt = document.createEvent("Event");
        evt.initEvent("error", true, true);
        window.dispatchEvent(evt);
    </script>
</body>
</html>