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<!doctype html>
<title>getComputedStyle() round-trips in presence of scrollbars.</title>
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<link rel="help" href="https://drafts.csswg.org/cssom/#resolved-value">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<div style="width: 100px; height: 100px; overflow: scroll"></div>
<script>
// NOTE(emilio): This is a .tentative.html because the spec is not clear on
// what the used value of `width` or `height` is, but I think this behavior
// should be uncontroversial.
test(function() {
let e = document.querySelector("div");
let cs = getComputedStyle(e);
let originalWidth = cs.width;
let originalHeight = cs.height;
e.style.width = originalWidth;
e.style.height = originalHeight;
assert_equals(cs.width, originalWidth, "width round-trips");
assert_equals(cs.height, originalHeight, "height round-trips");
}, "getComputedStyle() round-trips in presence of scrollbars")
</script>
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