| <head> |
| <style> |
| canvas { |
| object-fit: contain; |
| border: 1px solid black; |
| width: 200px; |
| height: 100px; |
| } |
| </style> |
| </head> |
| <body> |
| <canvas id="canvas" width="200" height="200"></canvas> |
| <pre id="layers"></pre> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| var ctx; |
| |
| function repaintTest() |
| { |
| if (window.testRunner) |
| testRunner.displayAndTrackRepaints(); |
| |
| ctx.fillStyle = "rgb(0, 0, 128)"; |
| ctx.fillRect(40, 40, 10, 10); |
| |
| if (window.internals) |
| document.getElementById('layers').textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS); |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| function startTest() |
| { |
| var canvas = document.getElementById('canvas'); |
| ctx = canvas.getContext('2d'); |
| |
| ctx.fillStyle = "rgb(0, 128, 0)"; |
| ctx.fillRect(0, 0, 200, 200); |
| |
| requestAnimationFrame(() => { |
| repaintTest(); |
| }); |
| } |
| window.addEventListener('load', startTest, false); |
| </script> |
| </body> |
