| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Tests that contentsOpaque is re-evaluated after a background style change</title> |
| <style> |
| .composited { |
| margin: 20px; |
| height: 300px; |
| width: 300px; |
| margin: 10px; |
| background-color: silver; |
| transform: translateZ(0); |
| } |
| |
| .composited.changed { |
| background: none; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| window.addEventListener('load', () => { |
| setTimeout(() => { |
| document.querySelector('.composited').classList.add('changed'); |
| if (window.internals) |
| document.getElementById('layers').textContent = window.internals.layerTreeAsText(document); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="composited">Text here</div> |
| <pre id="layers"></pre> |
| </body> |
| </html> |
| |