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Update web-platform-tests to revision b'468d01bbd84da2babf265c6af46947be68713440'
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<!doctype html>
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<meta charset="utf-8">
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<title>CSS Scrollbars: scrollbar-width:thin on the root element</title>
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<link rel="author" title="Felipe Erias Morandeira" href="mailto:felipeerias@gmail.com" />
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<link rel="help" href="https://www.w3.org/TR/css-scrollbars-1/" />
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/css/support/parsing-testcommon.js"></script>
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<style>
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:root {
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/* CSS scrollbar properties applied to the root element
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will be propagated to the viewport. */
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scrollbar-width: thin;
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/* Use scrollbar-gutter to reserve space for the scrollbar. */
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scrollbar-gutter: stable;
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}
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:root,
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body {
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margin: 0;
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padding: 0;
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}
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#content {
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height: 10vh;
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width: 100%;
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background: lightsalmon;
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}
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#expander {
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/* force vertical scroll */
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height: 200vh;
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width: 300px;
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background: gray;
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}
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</style>
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<body>
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<div id="content"></div>
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<div id="expander"></div>
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<script type="text/javascript">
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setup({ explicit_done: true });
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test(function () {
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let root = document.documentElement;
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let body = document.body;
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let content = document.getElementById('content');
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assert_less_than(root.offsetWidth, window.innerWidth, "viewport has a scrollbar");
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assert_equals(body.offsetWidth, root.offsetWidth, "body matches root");
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assert_equals(content.offsetWidth, body.offsetWidth, "content matches body");
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}, "viewport displays a scrollbar");
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done();
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</script>
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</body>
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