| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .box { |
| position: absolute; |
| z-index: 1; |
| top: 20px; |
| left: 30px; |
| height: 400px; |
| width: 400px; |
| border: 20px solid green; |
| transform: translate(0); |
| transform-origin: top left; |
| background-color: blue; |
| } |
| |
| body.changed .box { |
| transform: translate3d(0, 0, 0) scale(0.5, 0.5); |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| window.addEventListener('load', () => { |
| setTimeout(() => { |
| if (window.internals) |
| window.internals.startTrackingRepaints(); |
| |
| document.body.classList.add('changed'); |
| |
| 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="box"></div> |
| <pre id="layers"></pre> |
| </body> |
| </html> |
