| <!doctype html> |
| <title>CSS Container Queries Test: Orthogonal writing-mode change in @container</title> |
| <link rel="help" href="https://drafts.csswg.org/css-contain-3/#size-container"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/cq-testcommon.js"></script> |
| <link rel="stylesheet" href="/fonts/ahem.css"> |
| <style> |
| #container { |
| container-type: size; |
| width: 50vw; |
| height: 50vh; |
| } |
| #orthogonal { |
| font: 50px/1 Ahem; |
| } |
| @container size(max-width: 100px) { |
| #orthogonal { |
| writing-mode: vertical-lr; |
| } |
| } |
| </style> |
| <div id="container"> |
| <div id="orthogonal">XX</div> |
| </div> |
| <script> |
| setup(() => assert_implements_container_queries()); |
| |
| test(() => { |
| assert_equals(orthogonal.offsetWidth, container.offsetWidth); |
| }, "Initial non-orthogonal width"); |
| |
| test(() => { |
| container.style.width = "100px"; |
| assert_equals(orthogonal.offsetWidth, 50); |
| assert_not_equals(orthogonal.offsetWidth, container.offsetWidth); |
| }, "Orthogonal width"); |
| </script> |