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<!doctype HTML>
<html>
<meta charset="utf8">
<title>Content Visibility: scrollLeft/scrollTop/scrollWidth/scrollHeight measure correctly</title>
<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
<meta name="assert" content="scrollLeft/scrollTop/scrollWidth/scrollHeight measure correctly in content-visibility hidden subtree">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
#outer {
width: 200px;
height: 200px;
background: lightblue;
content-visibility: hidden;
}
#inner {
width: 50px;
height: 50px;
background: lightgreen;
overflow: auto;
}
.content {
width: 100px;
height: 100px;
background-color: red;
}
</style>
<body>
<div id="outer"><div id="inner"><div class=content></div></div></div>
</body>
<script>
test(() => {
const inner = document.getElementById("inner");
inner.scroll(10, 10);
assert_equals(inner.scrollLeft, 10, "left");
inner.scroll(10, 20);
assert_equals(inner.scrollTop, 20, "top");
inner.scroll(0, 0);
inner.style.width = "150px";
inner.style.height = "200px";
assert_equals(inner.scrollWidth, 150, "width");
inner.style.height = "100px";
assert_equals(inner.scrollHeight, 100, "height");
});
</script>
</html>
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