| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <title>Test repainting with layer sharing</title> |
| <style> |
| .container { |
| position: relative; |
| width: 200px; |
| height: 200px; |
| margin: 50px; |
| border: 1px solid black; |
| overflow: hidden; |
| box-shadow: 0 0 14px gray; |
| } |
| |
| .box { |
| width: 100px; |
| height: 100px; |
| background-color: blue; |
| margin: 10px; |
| } |
| |
| .box.changed { |
| background-color: orange; |
| } |
| |
| .trigger { |
| position: absolute; |
| left: 20px; |
| top: 10px; |
| width: 50px; |
| height: 50px; |
| background-color: gray; |
| transform: translateZ(0); |
| } |
| |
| .relative { |
| position: relative; |
| top: 50px; |
| left: 120px; |
| border: 5px solid green; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| window.addEventListener('load', () => { |
| setTimeout(() => { |
| document.body.offsetTop; |
| if (window.internals) |
| window.internals.startTrackingRepaints(); |
| |
| document.getElementById('target').classList.add('changed'); |
| |
| if (window.internals) |
| document.getElementById('layers').textContent = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS); |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="trigger"></div> |
| <div class="container"> |
| <div id="target" class="relative box"> |
| </div> |
| </div> |
| <pre id="layers"></pre> |
| </body> |
| </html> |
