| <!doctype html> |
| <title>Nested @container-dependent elements respond to outer container size changes</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#size-container"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/cq-testcommon.js"></script> |
| <style> |
| #outer { |
| container-type: size; |
| container-name: outer; |
| width: 100px; |
| height: 100px; |
| } |
| |
| /* Note that it's intentional that nothing queries this container. */ |
| #inner { |
| container-type: size; |
| width: 42px; |
| height: 42px; |
| } |
| |
| @container (width > 90px) { |
| #outer_child { |
| --outer:true; |
| } |
| } |
| |
| @container outer (width > 70px) { |
| #inner_child { |
| --inner:true; |
| } |
| } |
| </style> |
| <div id=outer> |
| <div id=outer_child></div> |
| <div id=inner> |
| <div id=inner_child></div> |
| </div> |
| </div> |
| <script> |
| setup(() => assert_implements_size_container_queries()); |
| |
| test(function() { |
| assert_equals(getComputedStyle(outer_child).getPropertyValue('--outer'), 'true'); |
| assert_equals(getComputedStyle(inner_child).getPropertyValue('--inner'), 'true'); |
| |
| outer.style.width = '80px'; |
| |
| assert_equals(getComputedStyle(outer_child).getPropertyValue('--outer'), ''); |
| assert_equals(getComputedStyle(inner_child).getPropertyValue('--inner'), 'true'); |
| |
| outer.style.width = '60px'; |
| |
| assert_equals(getComputedStyle(outer_child).getPropertyValue('--outer'), ''); |
| assert_equals(getComputedStyle(inner_child).getPropertyValue('--inner'), ''); |
| |
| outer.style.width = '100px'; |
| |
| assert_equals(getComputedStyle(outer_child).getPropertyValue('--outer'), 'true'); |
| assert_equals(getComputedStyle(inner_child).getPropertyValue('--inner'), 'true'); |
| }, 'Queries that skip a container are invalidated correctly'); |
| </script> |
