| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true AsyncFrameScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <title>Slow-scrolling reasons should not escape the iframe boundary</title> |
| <style> |
| body { |
| height: 2000px; |
| } |
| iframe { |
| width: 500px; |
| height: 400px; |
| border: 1px solid black; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| window.addEventListener('load', () => { |
| if (window.internals) |
| document.getElementById('scrollingTree').innerText = window.internals.scrollingTreeAsText() + "\n"; |
| }, false); |
| </script> |
| </head> |
| <body> |
| <iframe srcdoc=" |
| <style> |
| .scroller { |
| background-color: silver; |
| border: 1px solid black; |
| padding: 10px; |
| width: 400px; |
| height: 300px; |
| overflow: scroll; |
| } |
| |
| .scrolling-content { |
| height: 1000px; |
| } |
| |
| .fixed-background { |
| margin-top: 100px; |
| width: 400px; |
| height: 300px; |
| background-image: linear-gradient(green, blue); |
| background-attachment: fixed; |
| } |
| </style> |
| <div class=scroller> |
| <div class=scrolling-content> |
| Scrolling content |
| <div class=fixed-background> |
| Fixed background |
| </div> |
| </div> |
| </div> |
| "></iframe> |
| <pre id="scrollingTree"></pre> |
| </body> |
| </html> |
