| <!doctype html> |
| <title>@container and display:contents</title> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-3/#size-container"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-2/#containment-size"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/cq-testcommon.js"></script> |
| <script> |
| setup(() => assert_implements_container_queries()); |
| </script> |
| <style> |
| .container { |
| container-type: inline-size; |
| width: 30px; |
| height: 30px; |
| background: tomato; |
| } |
| .big { |
| width: 50px; |
| height: 50px; |
| background: skyblue; |
| } |
| .contents { |
| display: none; |
| } |
| |
| @container size(width: 30px) { |
| .target { --x:30; } |
| } |
| |
| @container size(width: 50px) { |
| .target { --x:50; } |
| } |
| |
| main { |
| display: flex; |
| flex-wrap: wrap; |
| } |
| |
| </style> |
| |
| <main> |
| <!-- Container is display:contents --> |
| <div class="container contents"> |
| <div> |
| <div class="target" id=target1></div> |
| </div> |
| </div> |
| <script> |
| test(function() { |
| let s = getComputedStyle(target1); |
| assert_equals(s.getPropertyValue('--x'), ''); |
| }, 'getComputedStyle when container is display:contents'); |
| </script> |
| |
| <!-- Container becomes display:contents --> |
| <div id=container2 class="container"> |
| <div> |
| <div class="target" id=target2></div> |
| </div> |
| </div> |
| <script> |
| test(function() { |
| let s = getComputedStyle(target2); |
| assert_equals(s.getPropertyValue('--x'), '30'); |
| container2.classList.add('contents'); |
| assert_equals(s.getPropertyValue('--x'), ''); |
| container2.classList.remove('contents'); |
| assert_equals(s.getPropertyValue('--x'), '30'); |
| }, 'getComputedStyle when container becomes display:contents'); |
| </script> |
| |
| <!-- Intermediate container becomes display:contents --> |
| <div class="container"> |
| <div> |
| <div id=container3 class="container"> |
| <div> |
| <div class="target" id=target3></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <script> |
| test(function() { |
| let s = getComputedStyle(target3); |
| assert_equals(s.getPropertyValue('--x'), '30'); |
| container3.classList.add('contents'); |
| assert_equals(s.getPropertyValue('--x'), ''); |
| container3.classList.remove('contents'); |
| assert_equals(s.getPropertyValue('--x'), '30'); |
| }, 'getComputedStyle when intermediate container becomes display:contents'); |
| </script> |
| </main> |
