| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/css-align/#distribution-block"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| body { |
| margin: 0; |
| } |
| </style> |
| |
| <div id="target" style="height: 200px;"> |
| <div style="align-content: center; height: 100%;"> |
| <div style="height: 60px;" id="content"></div> |
| </div> |
| </div> |
| |
| <script> |
| // Blink has an optimization that it skips child layout if only the container |
| // height is changed. This test ensures the opmiziation is not used for |
| // a non-normal align-content value. |
| test(() => { |
| document.body.offsetTop; |
| assert_equals(content.offsetTop, (200 - 60) / 2); |
| target.style.height = '100px'; |
| assert_equals(content.offsetTop, (100 - 60) / 2); |
| }, 'Updating a container height should align the content again'); |
| </script> |
