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| (Empty) | |
| 1 (async function(testRunner) { |
| 2 let {page, session, dp} = await testRunner.startHTML(` |
| 3 <head> |
| 4 <style type='text/css'> |
| 5 .composited { |
| 6 position: absolute; |
| 7 top: 25px; |
| 8 left: 25px; |
| 9 width: 50px; |
| 10 height: 50px; |
| 11 background-color: blue; |
| 12 transform: translateZ(10px); |
| 13 } |
| 14 </style> |
| 15 </head> |
| 16 <body> |
| 17 <div class='composited'> |
| 18 Sanity test for DevTools Paint Profiler. |
| 19 </div> |
| 20 </body> |
| 21 `, 'Sanity test for DevTools Paint Profiler.'); |
| 22 |
| 23 await dp.DOM.getDocument(); |
| 24 dp.LayerTree.enable(); |
| 25 var layers = (await dp.LayerTree.onceLayerTreeDidChange()).params.layers; |
| 26 var matchingLayers = layers.filter(layer => !!(layer.backendNodeId && layer.tr
ansform)); |
| 27 testRunner.log('matchingLayers.length: ' + matchingLayers.length); |
| 28 |
| 29 var layerId = matchingLayers[0].layerId; |
| 30 var snapshotId = (await dp.LayerTree.makeSnapshot({layerId})).result.snapshotI
d; |
| 31 var timings = (await dp.LayerTree.profileSnapshot({snapshotId, minRepeatCount:
4, minDuration: 0})).result.timings; |
| 32 testRunner.log('Profile array length: ' + timings.length); |
| 33 for (var i = 0; i < timings.length; ++i) { |
| 34 testRunner.log('Profile subarray ' + i + ' length: ' + timings[i].length); |
| 35 for (var j = 0; j < timings[i].length; ++j) |
| 36 testRunner.log('Profile timing [' + i + '][' + j + '] is a number: ' + (ti
mings[i][j] >= 0)); |
| 37 } |
| 38 |
| 39 var image = (await dp.LayerTree.replaySnapshot({snapshotId, fromStep: 2, toSte
p: timings[0].length - 2})).result.dataURL; |
| 40 testRunner.log('LayerTree.replaySnapshot returned valid image: ' + /^data:imag
e\/png;base64,/.test(image)); |
| 41 testRunner.log('DONE!'); |
| 42 testRunner.completeTest(); |
| 43 }) |
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Chromium Code Reviews
Issue 2954343004:
[DevTools] Migrate inspector-protocol/layers tests to new harness (Closed)
