| <!DOCTYPE html> |
| <html > |
| <title>View transitions: generated names should be prefixed with -ua- in script</title> |
| <link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| |
| :root { |
| view-transition-name: none; |
| } |
| |
| div { |
| width: 100px; |
| height: 100px; |
| } |
| |
| main { |
| display: flex; |
| flex-direction: column; |
| } |
| |
| .item1 { |
| view-transition-name: auto; |
| } |
| |
| .item2 { |
| view-transition-name: match-element; |
| } |
| |
| main.switch .item1 { |
| order: 2; |
| } |
| |
| .item1 { |
| background: green; |
| } |
| |
| .item2 { |
| background: yellow; |
| position: relative; |
| left: 100px; |
| } |
| |
| </style> |
| |
| <main> |
| <div class="item item1"></div> |
| <div class="item item2"></div> |
| </main> |
| |
| <script> |
| promise_test(async t => { |
| await new Promise(resolve => requestAnimationFrame(() => resolve())); |
| await document.startViewTransition(() => { |
| document.querySelector("main").classList.add("switch"); |
| }).ready; |
| const animations = document.documentElement.getAnimations({subtree: true}); |
| const pseudos = Array.from(new Set(animations.map(a => a.effect.pseudoElement))); |
| const item1GeneratedName = pseudos[0].replace("::view-transition-group(", "").slice(0, -1); |
| const item2GeneratedName = pseudos[3].replace("::view-transition-group(", "").slice(0, -1); |
| assert_true(item1GeneratedName.startsWith("-ua-"), "Item 1 generated name starts with -ua-"); |
| assert_true(item2GeneratedName.startsWith("-ua-"), "Item 2 generated name starts with -ua-"); |
| assert_array_equals(pseudos, |
| [ |
| `::view-transition-group(${item1GeneratedName})`, |
| `::view-transition-old(${item1GeneratedName})`, |
| `::view-transition-new(${item1GeneratedName})`, |
| `::view-transition-group(${item2GeneratedName})`, |
| `::view-transition-old(${item2GeneratedName})`, |
| `::view-transition-new(${item2GeneratedName})` |
| ], "Generated names should start with -ua- and pseudo-elements should be in tree order"); |
| }, "Generated view-transition-names should be prefixed with -ua- in script"); |
| </script> |
| |
| </body> |
