| <body> |
| <style> |
| |
| body { |
| background-color: red; |
| overflow: hidden; |
| } |
| |
| div { |
| position: absolute; |
| top: 0; |
| left: 0; |
| width: 400px; |
| height: 400px; |
| background-color: green; |
| transform-origin: top left; |
| transform: scale(0.5); |
| } |
| |
| div.scaled-up { |
| transform: scale(1); |
| transition: 2s transform cubic-bezier(0, 200, 1, 200); |
| } |
| |
| </style> |
| <div></div> |
| <script src="../resources/ui-helper.js"></script> |
| <script> |
| |
| (async function() { |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| await UIHelper.renderingUpdate(); |
| document.querySelector("div").classList.add("scaled-up"); |
| |
| await Promise.all(document.getAnimations().map(animation => animation.ready)); |
| await UIHelper.ensurePresentationUpdate(); |
| await UIHelper.renderingUpdate(); |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| })(); |
| |
| </script> |
| </body> |