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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-values/viewport-units-gutter-003.html - WPT Dashboard Interop Dashboard
<!doctype html>
<html style="overflow-y: scroll; scrollbar-gutter: stable;">
<meta name="assert" content="There is no horizontal overflow when 100vw is reduced by gutter width when the scrollbar is unconditional.">
<!-- This test uses checkLayout instead of a reference because it's unclear how elements that overlap with the gutter should be laid out and painted. See https://github.com/w3c/csswg-drafts/issues/5253 -->
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body style="margin: 0; padding: 0;">
<div style="width: 100vw; height: 100px; background: orange; box-sizing: border-box; border-left: 3px solid blue; border-right: 3px solid blue;" id="test-div"></div>
<!-- This div is only for measuring scrollbar size -->
<div id="measure" style="overflow: scroll; width: 200px;">
<div style="min-height: 100px;">measure</div>
</div>
<script>
const scrollbarWidth = measure.offsetWidth - measure.clientWidth;
let testDiv = document.getElementById('test-div');
testDiv.setAttribute("data-expected-width", window.innerWidth - scrollbarWidth);
checkLayout("#test-div");
</script>
</body>
</html>