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https://github.com/HeyPuter/firefox.git
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Luke Warlow
56b1e7b9fe
Automatic update from web-platform-tests WebKit export of "Correct scrollbar-width resolution on viewport" https://bugs.webkit.org/show_bug.cgi?id=257424 -- wpt-commits: eb121fe5d04f0823fddc80be38d6fcaad8ebc0cb wpt-pr: 40272
61 lines
1.5 KiB
HTML
61 lines
1.5 KiB
HTML
<meta charset="utf-8">
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<title>CSS Scrollbars: scrollbar-width on the body is not propagated quirks mode</title>
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<link rel="author" title="Luke Warlow" href="mailto:[email protected]" />
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<link rel="help" href="https://drafts.csswg.org/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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overflow: visible;
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}
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body {
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/* overflow is propagated as well */
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overflow: scroll;
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/* but CSS scrollbar properties applied to the body are not propagated */
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scrollbar-width: none;
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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>
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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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</script>
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</body>
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