| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .trigger { |
| position: absolute; |
| width: 20px; |
| height: 20px; |
| transform: translateZ(0); |
| background-color: silver; |
| } |
| |
| .composited-sharing { |
| position: absolute; |
| top: 15px; |
| left: 15px; |
| width: 800px; |
| height: 200px; |
| border: 1px solid blue; |
| } |
| |
| .test { |
| position: absolute; |
| transform: scale(1, 1); |
| top: 50px; |
| left: 100px; |
| background: orange; |
| height: 100px; |
| width: 100px; |
| } |
| |
| body.changed .test { |
| left: 200px; |
| } |
| |
| body.changed.again .test { |
| left: 400px; |
| } |
| </style> |
| <script src="../../resources/ui-helper.js"></script> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| window.addEventListener('load', () => { |
| setTimeout(async () => { |
| document.body.classList.add('changed'); |
| await UIHelper.renderingUpdate(); |
| |
| if (window.internals) |
| window.internals.startTrackingRepaints(); |
| |
| document.body.classList.add('again'); |
| |
| if (window.internals) |
| document.getElementById('layers').textContent = window.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="composited-sharing"> |
| <div class="test"></div> |
| </div> |
| <pre id="layers"></pre> |
| </body> |
| </html> |
