| <!doctype html> |
| <title>CSS Container Queries Test: Nested top layer elements and @container</title> |
| <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> |
| dialog { color: red; } |
| #container { width: 100px; } |
| #container, #outer { container-type: inline-size; } |
| @container size(min-width: 200px) { |
| #outer { width: 400px; color: lime; } |
| } |
| @container size(min-width: 400px) { |
| #inner { color: green; } |
| } |
| </style> |
| <div id="container"> |
| <dialog id="outer"> |
| <dialog id="inner"></dialog> |
| </dialog> |
| </div> |
| <script> |
| setup(() => assert_implements_container_queries()); |
| |
| test(() => { |
| assert_equals(getComputedStyle(outer).color, "rgb(255, 0, 0)"); |
| assert_equals(getComputedStyle(inner).color, "rgb(255, 0, 0)"); |
| }, "Dialogs initially not matching for container queries"); |
| |
| test(() => { |
| container.offsetTop; |
| outer.showModal(); |
| inner.showModal(); |
| assert_equals(getComputedStyle(outer).color, "rgb(255, 0, 0)"); |
| assert_equals(getComputedStyle(inner).color, "rgb(255, 0, 0)"); |
| }, "Dialogs still not matching after showModal"); |
| |
| test(() => { |
| container.offsetTop; |
| container.style.width = "200px"; |
| assert_equals(getComputedStyle(outer).color, "rgb(0, 255, 0)"); |
| assert_equals(getComputedStyle(inner).color, "rgb(0, 128, 0)"); |
| }, "@container queries start matching"); |
| </script> |