| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-1/#propdef-anchor-name"> |
| <link rel="author" href="mailto:kojii@chromium.org"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/check-layout-th.js"></script> |
| <script src="support/test-common.js"></script> |
| <style> |
| #container { |
| position: relative; |
| } |
| #anchor1 { |
| anchor-name: --a1; |
| } |
| #anchor2 { |
| anchor-name: --a2; |
| } |
| #anchor1, #anchor2 { |
| width: 5px; |
| height: 7px; |
| background: orange; |
| } |
| .after #anchor1, .after #anchor2 { |
| width: 10px; |
| } |
| .target { |
| position: absolute; |
| } |
| </style> |
| <body> |
| <div id="container"> |
| <!-- When the anchor is in the same containing block. --> |
| <div id="anchor1"></div> |
| <div class="target" style="left: anchor(--a1 right)" data-offset-x=5></div> |
| <div class="target" style="width: anchor-size(--a1 width)" data-expected-width=5></div> |
| |
| <!-- When the anchor is in a different containing block. --> |
| <div> |
| <div id="anchor2"></div> |
| </div> |
| <div class="target" style="left: anchor(--a2 right)" data-offset-x=5></div> |
| <div class="target" style="width: anchor-size(--a2 width)" data-expected-width=5></div> |
| </div> |
| <script type="module"> |
| await checkLayoutForAnchorPos('.target', false); |
| container.classList.add('after'); |
| for (const element of document.getElementsByClassName('target')) { |
| if (element.dataset.offsetX === '5') |
| element.dataset.offsetX = '10'; |
| if (element.dataset.expectedWidth === '5') |
| element.dataset.expectedWidth = '10'; |
| } |
| await checkLayoutForAnchorPos('.after .target', true); |
| </script> |
| </body> |
