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| (Empty) |
| 1 <!doctype html> | |
| 2 <title>Verifies there are no spurious repaints for audio in a video tag.</title> | |
| 3 <script src="../resources/testharness.js"></script> | |
| 4 <script src="../resources/testharnessreport.js"></script> | |
| 5 <video></video> | |
| 6 <script> | |
| 7 async_test(function(t) { | |
| 8 var video = document.querySelector('video'); | |
| 9 | |
| 10 video.addEventListener('canplaythrough', t.step_func(function() { | |
| 11 internals.startTrackingRepaints(document); | |
| 12 video.play(); | |
| 13 }), false); | |
| 14 | |
| 15 video.addEventListener('ended', t.step_func(function() { | |
| 16 var layerTree = internals.layerTreeAsText( | |
| 17 document, internals.LAYER_TREE_INCLUDES_PAINT_INVALIDATIONS); | |
| 18 var repaintRects = JSON.parse(layerTree).children[0].repaintRects; | |
| 19 internals.stopTrackingRepaints(document); | |
| 20 | |
| 21 // Manually verify the number of repaints instead of using a repaint | |
| 22 // test since media playback is asynchronous by nature and its threading | |
| 23 // will cause a variance in the number of repaints on test bots. | |
| 24 var minExpected = 3, maxExpected = 4, expectedRect = [8, 8, 300, 150]; | |
| 25 | |
| 26 t.add_cleanup(function() { | |
| 27 if (t.status == t.PASS) | |
| 28 return; | |
| 29 console.log('FAIL! An unexpected number of repaints occurred;' + | |
| 30 ' expected ' + minExpected + ' to ' + maxExpected + | |
| 31 ' with rects of [' + expectedRect.join(', ') + '].' + | |
| 32 ' Actual layer tree: ' + layerTree); | |
| 33 }); | |
| 34 | |
| 35 assert_between_inclusive(repaintRects.length, minExpected, maxExpected); | |
| 36 for (var i = 0; i < repaintRects.length; ++i) | |
| 37 assert_array_equals(repaintRects[i], expectedRect); | |
| 38 | |
| 39 t.done(); | |
| 40 }), false); | |
| 41 | |
| 42 video.src = 'content/silence.wav'; | |
| 43 }); | |
| 44 </script> | |
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Chromium Code Reviews
Issue 2343713003:
Fix under-invalidation of media slider thumb when network state changes (Closed)
