PerformanceTests/PaintInvalidation/grow-shrink-rectangle-invalidate-overlapping.html - Issue 450813002: Add some performance testing for paint invalidations

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Side by Side Diff: PerformanceTests/PaintInvalidation/grow-shrink-rectangle-invalidate-overlapping.html

Issue 450813002: Add some performance testing for paint invalidations (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Fixed Elliott's review comments. Created 6 years, 4 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <style>

	5 .test {

	6 position: absolute;

	7 height: 100px;

	8 width: 50px;

	9 background-color: navy;

	10 }

	11

	12 .grown {

	13 width: 100px;

	14 }

	15 </style>

	16 <script src="../resources/runner.js"></script>

	17 </head>

	18 <body>

	19 <div class="test"></div>

	20 <div class="test grown"></div>

	21 <div class="test"></div>

	22 <div class="test grown"></div>

	23 <div class="test"></div>

	24 <div class="test grown"></div>

	25 <div class="test"></div>

	26 <div class="test grown"></div>

	27 <div class="test"></div>

	28 <div class="test grown"></div>

	29 <script>

	30 if (!window.internals) {

	31 alert("This test has to be run under DumpRenderTree");

	32 } else {

	33 var elements = document.getElementsByClassName("test");

	34 internals.forceCompositingUpdate(document);

	35

	36 PerfTestRunner.measureRunsPerSecond({run: function() {

	37 for (var i = 0; i < elements.length; ++i)

	38 elements[i].classList.toggle("grown");

	39

	40 internals.forceCompositingUpdate(document);

	41 }});

	42 }

	43 </script>

	44 </body>

	45 </html>

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