chromium/third_party/blink/web_tests/fast/forms/mouseevent_disabled_form_control.html

<!doctype html>
<html>
    <head>
        <title>Mouse Event Dispatching to Disabled Form Controls</title>
        <meta name="viewport" content="width=device-width">
        <script src="../../resources/testharness.js"></script>
        <script src="../../resources/testharnessreport.js"></script>
    </head>
    <body>
        <button id="target0" disabled>Disabled button</button>
        <script>
            var eventList = ['mouseout', 'mouseover', 'mouseenter', 'mousemove', 'mousedown', 'mouseup', 'mouseleave'];
            var target = document.getElementById("target0");

            test((t) => {
                target.onclick = t.unreached_func("click should not fire on disabled element");
                document.body.onclick = t.unreached_func("click should not fire on event path");
                target.click();
            }, 'element.click() should not fire a click event.');

            for (let eventName of eventList) {
                test((t) => {
                    let fired = false;
                    on_event(target, eventName, () => fired = true);
                    target.dispatchEvent(new MouseEvent(eventName, {capture: true, bubbles: true}));
                    assert_true(fired, eventName + ' should be fired');
                }, eventName + ' should be fired');
            }
        </script>
    </body>
</html>