| <!doctype html> |
| <title>Container Relative Units: Shadow DOM</title> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-3/#container-lengths"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-3/#container-queries"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/cq-testcommon.js"></script> |
| <style> |
| #outer { |
| container-type: size; |
| width: 200px; |
| height: 200px; |
| } |
| #direct { |
| container-type: inline-size; |
| width: 50cqw; |
| height: 50cqh; |
| } |
| #nondirect { |
| width: 10cqw; |
| height: 10cqh; |
| background: green; |
| } |
| </style> |
| <div id=outer> |
| <div> |
| <template shadowroot="open"> |
| <style> |
| #inner { |
| container-type: size; |
| width: 30px; |
| height: 30px; |
| } |
| </style> |
| <div id=inner> |
| <slot></slot> |
| </div> |
| </template> |
| <div> |
| <div id=direct> |
| <div id=nondirect> |
| </div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <script> |
| setup(() => { |
| assert_implements_container_queries(); |
| polyfill_declarative_shadow_dom(document); |
| }); |
| |
| test(() => { |
| let cs = getComputedStyle(direct); |
| assert_equals(cs.width, '100px'); |
| assert_equals(cs.height, '100px'); |
| }, 'Direct slotted child queries shadow-including ancestors'); |
| |
| test(() => { |
| let cs = getComputedStyle(nondirect); |
| assert_equals(cs.width, '10px'); // #direct |
| assert_equals(cs.height, '20px'); // #outer |
| }, 'Nondirect slotted child queries shadow-including ancestors'); |
| </script> |
