| <!doctype html> |
| <title>Containers and inheritance</title> |
| <link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/cq-testcommon.js"></script> |
| <style> |
| #outer { |
| visibility: hidden; |
| } |
| #outer.visible { |
| visibility: visible; |
| } |
| #container { |
| container-type: inline-size; |
| } |
| #container.visible { |
| visibility: visible; |
| } |
| </style> |
| <div id=outer><div id=container><span id=inner>PASS</span></div></div> |
| <script> |
| setup(() => assert_implements_size_container_queries()); |
| |
| test((t) => { |
| assert_equals(getComputedStyle(inner).visibility, "hidden"); |
| }, "Initial state"); |
| |
| test((t) => { |
| outer.classList.add("visible"); |
| assert_equals(getComputedStyle(inner).visibility, "visible"); |
| }, "Test that visibility inherits via container after mutation"); |
| |
| test((t) => { |
| outer.classList.remove("visible"); |
| assert_equals(getComputedStyle(inner).visibility, "hidden"); |
| }, "Return to initial state"); |
| |
| test((t) => { |
| container.classList.add("visible"); |
| assert_equals(getComputedStyle(inner).visibility, "visible"); |
| }, "Test that visibility inherits from container after mutation"); |
| </script> |
