| <!DOCTYPE html> |
| <html> |
| <title>View transitions: author styles ignored during prepare</title> |
| <link rel="help" href="https://github.com/WICG/view-transitions"> |
| <link rel="author" href="mailto:[email protected]"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| div { |
| width: 100px; |
| height: 100px; |
| background: blue; |
| contain: paint; |
| view-transition-name: shared; |
| } |
| |
| html::view-transition, |
| html::view-transition-group(shared), |
| html::view-transition-image-pair(shared), |
| html::view-transition-old(shared), |
| html::view-transition-new(shared) { |
| background: blue; |
| } |
| </style> |
| |
| <div></div> |
| |
| <script> |
| function validate_background(pseudoString) { |
| return window.getComputedStyle(document.documentElement, pseudoString).style.background != 'blue'; |
| } |
| |
| promise_test(async t => { |
| assert_implements(document.startViewTransition, "Missing document.startViewTransition"); |
| return new Promise((resolve, reject) => { |
| document.startViewTransition(() => { |
| resolve(); |
| throw 'error'; |
| }); |
| }); |
| }, "An exception thrown during a transition shouldn't crash."); |
| |
| </script> |
