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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /pointerevents/pointerevent_hit_test_scroll_visible_descendant.html - WPT Dashboard Interop Dashboard
<!doctype html>
<meta charset=utf-8>
<title>pointer-events: auto descendant correctly targets scrolls</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<style>
body {
height: 200vh;
}
#overlay {
overflow: auto;
height: 300px;
border: 2px solid blue;
pointer-events: none;
}
#scrollable {
background: white;
border: 3px solid green;
height: 150px;
/* pointer-events: auto; should allow scrolling over this element. */
pointer-events: auto;
}
#spacer {
height: 200vh;
}
</style>
<body id="body">
<div id="overlay">
<div id="scrollable"></div>
<div id="spacer"></div>
</div>
</body>
<script>
promise_test(async (t) => {
let scrolled = new Promise((resolve) => {
let scrollers = [window, document.getElementById("overlay")];
let onscroll = (evt) => {
for (const scroller of scrollers) {
scroller.removeEventListener("scroll", onscroll);
}
resolve(evt.target.id || "root");
}
for (const scroller of scrollers) {
scroller.addEventListener("scroll", onscroll);
}
});
const actions = new test_driver.Actions().scroll(50, 50, 0, 50, { duration: 50 });
actions.send();
assert_equals(await scrolled, "overlay", "Incorrect element scrolled");
}, "Wheel-scroll over pointer-events: auto descendant scrolls pointer-events: none scroller.");
</script>