PerformanceTests/PaintInvalidation/shift-rectangle-left-invalidate.html - Issue 450813002: Add some performance testing for paint invalidations

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Side by Side Diff: PerformanceTests/PaintInvalidation/shift-rectangle-left-invalidate.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: relative;

	7 left: 50px;

	8 height: 100px;

	9 width: 100px;

	10 background-color: navy;

	11 }

	12

	13 .shifted {

	14 left: 100px;

	15 }

	16 </style>

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

	18 </head>

	19 <body>

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

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

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

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

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

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

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

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

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

	29 <div class="test shifted"></div>

	30 </body>

	31 <script>

	32 if (!window.internals) {

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

	34 } else {

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

	36 internals.forceCompositingUpdate(document);

	37

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

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

	40 elements[i].classList.toggle("translated");

	41

	42 internals.forceCompositingUpdate(document);

	43 }});

	44 }

	45 </script>

	46 </html>

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