LayoutTests/fast/repaint/scroll-stacking-context-backface-visiblity-leaves-traces.html - Issue 714083003: Revert "Move some scroll invalidations to the paint invalidation phase"

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Side by Side Diff: LayoutTests/fast/repaint/scroll-stacking-context-backface-visiblity-leaves-traces.html

Issue 714083003: Revert "Move some scroll invalidations to the paint invalidation phase" (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: New test is not cross-platform due to text. Created 6 years, 1 month ago

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	1 <!DOCTYPE html>

	2 <style>

	3 #searchbar {

	4 bottom: 0; /* Useful for seeing the issue visually. */

	5 position: fixed;

	6 }

	7 #recentlink {

	8 background: purple;

	9 position: absolute;

	10 width: 150px;

	11 height: 150px;

	12 }

	13 header {

	14 padding: 10px;

	15 position: relative;

	16 z-index: 50;

	17 -webkit-backface-visibility: hidden;

	18 }

	19 </style>

	20 To manually test, just scroll down, there should be no purple trace.

	21 <header>

	22 <div id="searchbar">

	23 <div id="recentlink"></div>

	24 </div>

	25 </header>

	26

	27 <!-- Used to have some overflowing content to scroll -->

	28 <div style="height: 5000px"></div>

	29

	30 <script src="resources/text-based-repaint.js" type="text/javascript"></script>

	31 <script>

	32 window.scrollTo(0, 1000);

	33

	34 window.testIsAsync = true;

	35 if (window.testRunner)

	36 testRunner.waitUntilDone();

	37

	38 function repaintTest()

	39 {

	40 window.scrollBy(0, 400);

	41 finishRepaintTest();

	42 }

	43

	44 // We need to skip 2 frames for the bug to show under DRT.

	45 window.requestAnimationFrame(function() {

	46 window.requestAnimationFrame(function() {

	47 runRepaintTest();

	48 });

	49 });

	50 </script>

	51

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