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<!doctype html>
<meta charset=utf-8>
<title>pointer-events: none 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 {
margin: 0;
}
#scroller {
overflow: auto;
width: 300px;
height: 300px;
border: 2px solid blue;
pointer-events: none;
will-change: scroll-position;
}
.spacer {
height: 200vh;
}
</style>
<div id="scroller">
<div class="spacer"></div>
</div>
<div class="spacer"></div>
<script>
promise_test(async (t) => {
let scrolled = new Promise((resolve) => {
let scrollers = [window, document.getElementById("scroller")];
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);
}
});
// The cursor is expected on the scrollbar, but if it's not (e.g. if the
// scrollbar is overlay and isn't show), the test should still pass.
const actions = new test_driver.Actions().scroll(295, 200, 0, 50, { duration: 50 });
actions.send();
assert_equals(await scrolled, "root", "Incorrect element scrolled");
}, "Wheel-scroll over pointer-events: none scroller skips that scroller");
</script>
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