| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| .container { |
| padding: 10px; |
| margin: 10px; |
| border: 2px solid black; |
| height: 400px; |
| width: 500px; |
| overflow-y: hidden; |
| } |
| |
| .wrapper { |
| position: relative; |
| width: 2000px; |
| z-index: 1; |
| } |
| |
| .positioned { |
| position: absolute; |
| left: 0; |
| top: 0; |
| background-color: silver; |
| z-index: 2; |
| padding: 20px; |
| width: 100%; |
| height: 250px; |
| overflow: hidden; |
| } |
| |
| .inner { |
| position: relative; |
| width: 300px; |
| height: 200px; |
| background-color: green; |
| transform: translateZ(0); |
| } |
| |
| body.changed .inner { |
| transform: translate(0px, 0px); |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| window.addEventListener('load', () => { |
| requestAnimationFrame(() => { |
| requestAnimationFrame(() => { |
| document.body.classList.add('changed'); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }); |
| }); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="container"> |
| <div class="wrapper"> |
| <div class="positioned"> |
| |
| <div class="inner"> |
| |
| </div> |
| </div> |
| </div> |
| </div> |
| </body> |
| </html> |
