| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Test scrolling with composited content that has already been painted</title> |
| <style> |
| body { |
| width: 600px; |
| } |
| div { |
| -webkit-transform: translateZ(0); |
| width: 1000px; |
| height: 800px; |
| } |
| </style> |
| </head> |
| <body> |
| <p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=52720">Bug 52720 - REGRESSION |
| (r75987): Assertion failure in WebView::scrollBackingStore when scrolling page with composited |
| content</a>. The test passes if it doesn't assert in Debug builds.</p> |
| |
| <div></div> |
| |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| // Force a paint so that the content will be painted at the current scroll offset (0x0) |
| // before we scroll. |
| testRunner.displayAndTrackRepaints(); |
| } |
| window.scrollBy(300, 0); |
| </script> |
| </body> |
| </html> |
