LayoutTests/inspector/tracing/timeline-paint-and-multiple-style-invalidations.html - Issue 731293006: Implement style invalidation tracking

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Issue 731293006: Implement style invalidation tracking (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Address reviewer comments, cleanup Created 6 years ago

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	1 <!DOCTYPE HTML>

	2 <html>

	3 <head>

	4 <script src="../../http/tests/inspector/inspector-test.js"></script>

	5 <script src="../../http/tests/inspector/timeline-test.js"></script>

	6 <script>

	7 function multipleStyleRecalcsAndDisplay(callback)

	8 {

	9 requestAnimationFrame(function() {

	10 document.getElementById("testElementOne").className = "red";

	11 var forceStyleRecalc1 = document.body.offsetTop;

	12 document.getElementById("testElementOne").className = "snow";

	13 var forceStyleRecalc2 = document.body.offsetTop;

	14 if (window.testRunner)

	15 testRunner.displayAsyncThen(callback);

	16 });

	17 }

	18

	19

	20 function test()

	21 {

	22 var currentPanel = WebInspector.inspectorView.currentPanel();

	23 InspectorTest.assertEquals(currentPanel._panelName, "timeline", "Current pan el should be the timeline.");

	24 Runtime.experiments.enableForTest("timelineInvalidationTracking");

	25 InspectorTest.invokeAsyncWithTimeline("multipleStyleRecalcsAndDisplay", test MultipleStyleRecalcs);

	26

	27 function testMultipleStyleRecalcs()

	28 {

	29 var firstRecalc = InspectorTest.findTimelineRecord(WebInspector.Timeline Model.RecordType.RecalculateStyles, 0);

	30 InspectorTest.addArray(firstRecalc._event.invalidationTrackingEvents, In spectorTest.InvalidationFormatters, "", "first style recalc");

	31 var secondRecalc = InspectorTest.findTimelineRecord(WebInspector.Timelin eModel.RecordType.RecalculateStyles, 1);

	32 InspectorTest.addArray(secondRecalc._event.invalidationTrackingEvents, I nspectorTest.InvalidationFormatters, "", "second style recalc");

	33 var firstPaint = InspectorTest.findTimelineRecord(WebInspector.TimelineM odel.RecordType.Paint, 0);

	34 InspectorTest.addArray(firstPaint._event.invalidationTrackingEvents, Ins pectorTest.InvalidationFormatters, "", "first paint");

	35

	36 var thirdRecalc = InspectorTest.findTimelineRecord(WebInspector.Timeline Model.RecordType.RecalculateStyles, 2);

	37 InspectorTest.assertTrue(thirdRecalc === undefined, "There should be no additional style recalc records.");

	38 var secondPaint = InspectorTest.findTimelineRecord(WebInspector.Timeline Model.RecordType.Paint, 1);

	39 InspectorTest.assertTrue(secondPaint === undefined, "There should be no additional paint records.");

	40 InspectorTest.completeTest();

	41 }

	42 }

	43 </script>

	44 <style>

	45 .testHolder > .red { background-color: red; }

	46 .testHolder > .green { background-color: green; }

	47 .testHolder > .blue { background-color: blue; }

	48 .testHolder > .snow { background-color: snow; }

	49 </style>

	50 </head>

	51 <body onload="runTest()">

	52 <p>Tests the Timeline API instrumentation of multiple style recalc invalidations and ensures they are all collected on the paint event.</p>

	53 <div class="testHolder">

	54 <div id="testElementOne">PASS</div><div id="testElementTwo">PASS</div><div id="t estElementThree">PASS</div>

	55 </div>

	56 </body>

	57 </html>

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