<!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true AsyncOverflowScrollingEnabled=true AsyncFrameScrollingEnabled=true ] -->
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<script src="../../../resources/js-test.js"></script>
<script src="../../../resources/ui-helper.js"></script>
<style>
html, body {
    width: 100%;
    margin: 0px;
    padding: 0px;
}

#content {
    width: 100px;
    height: 5000px;
    box-sizing: border-box;
    padding: 20px;
    background: linear-gradient(to bottom, red 0%, green 50%, blue 100%);
}
</style>
<body onload="runTest()">
<div id="content"></div>
</body>
<script>
jsTestIsAsync = true;
const minimumExpectedScrollTop = 1000;
let reachedMinimumScrollPosition = false;

addEventListener("scroll", observeScrollEvent);
document.body.addEventListener("click", () => testFailed("Observed unexpected click event."), { once: true });

function noteTestProgress() {
    if (!window.progress)
        progress = 0;
    if (++progress == 2)
        finishJSTest();
}

async function observeScrollEvent() {
    if (!window.testRunner || document.scrollingElement.scrollTop < minimumExpectedScrollTop || reachedMinimumScrollPosition)
        return;

    reachedMinimumScrollPosition = true;
    testPassed(`document.scrollingElement.scrollTop passed ${minimumExpectedScrollTop}`);
    removeEventListener("scroll", observeScrollEvent);
    await UIHelper.activateAt(160, document.scrollingElement.scrollTop + 350);
    noteTestProgress();
}

async function runTest()
{
    description("Verifies that tapping the page during momentum scrolling does not dispatch click events to the page. To run the test manually, swipe up to scroll down; while the page is momentum scrolling, tap the screen to interrupt scrolling. The page should not observe any click events.");

    if (!window.testRunner)
        return;

    await UIHelper.dragFromPointToPoint(160, 450, 160, 50, 0.1);
    noteTestProgress();
}
</script>
</html>