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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Tests that zoomToFocuedInput doesn't reset the scroll position for nested position:fixed element</title>
<script src="apz_test_native_event_utils.js"></script>
<script src="apz_test_utils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<style>
.container, textarea {
bottom: 10px;
height: 100px;
width: calc(100% - 30px);
position: fixed;
}
html {
height: 500vh;
}
</style>
</head>
<body>
<div class="container">
<textarea></textarea>
</div>
<script>
async function test() {
window.scrollTo(0, document.documentElement.scrollHeight);
const expectedScrollPosition = window.scrollY;
document.querySelector("textarea").focus();
is(window.scrollY, expectedScrollPosition);
const transformEndPromise = promiseTransformEnd();
SpecialPowers.DOMWindowUtils.zoomToFocusedInput();
await transformEndPromise;
is(window.scrollY, expectedScrollPosition);
}
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
</script>
</body>
</html>
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