| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <style> |
| * { |
| box-sizing: border-box; |
| } |
| body { |
| display: grid; |
| grid-template-rows: auto; |
| grid-template-areas: "main" |
| } |
| |
| .scroller { |
| float: left; |
| width: 100%; |
| height: 100%; |
| border: 1px solid black; |
| overflow: scroll; |
| } |
| |
| .content { |
| width: 200%; |
| height: 100%; |
| background-color: green; |
| } |
| |
| body.changed .content { |
| width: 100%; |
| } |
| |
| .box { |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| window.addEventListener('load', () => { |
| setTimeout(() => { |
| document.body.classList.add('changed'); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div id="main"> |
| <div class="scroller"> |
| <div class="content"> |
| <div class="box"></div> |
| </div> |
| </div> |
| </div> |
| </body> |
| </html> |
