| <!doctype html> |
| <html style="overflow-y: auto; scrollbar-gutter: stable; scrollbar-width: none"> |
| <link rel="help" href="http://www.w3.org/TR/css3-values/#viewport-relative-lengths"> |
| <meta name="assert" content="vw is not reduced in the presence of a scrollbar gutter when scrollbar-width is 'none'"> |
| |
| <!-- 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> |
| |
| <script> |
| let testDiv = document.getElementById('test-div'); |
| testDiv.setAttribute("data-expected-width", window.innerWidth); |
| checkLayout("#test-div"); |
| </script> |
| |
| </body> |
| </html> |