<!DOCTYPE html> <!-- webkit-test-runner [ EventHandlerDrivenSmoothKeyboardScrollingEnabled=true ] -->
<meta charset=utf-8>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../../resources/ui-helper.js"></script>
<script>
    promise_test(() => {
        return new Promise(resolve => {
            window.addEventListener('DOMContentLoaded', resolve);
        });
    }, 'DOMContentLoaded');

    function test_key(key) {
        return async () => {
            let previousScrollY = scrollY;
            let previousTimestamp = internals.lastHandledUserGestureTimestamp();

            let wait = UIHelper.waitForTargetScrollAnimationToSettle(window);
            UIHelper.keyDown(key);
            await wait;

            assert_not_equals(scrollY, previousScrollY);
            assert_not_equals(internals.lastHandledUserGestureTimestamp(), previousTimestamp);
        };
    }
    
    promise_test(test_key(' '), 'space');
    promise_test(test_key('downArrow'), 'downArrow');
    promise_test(test_key('pageDown'), 'pageDown');
</script>
<style>
    body {
        border: blue 10px solid;
        height: 10000px;
    }
</style>