third_party/WebKit/LayoutTests/paint/invalidation/compositing/non-composited-sticky-element-repaint.html - Issue 2845613002: Fix the bug that sticky element may not be correctly invalidated due to non-promotion

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Side by Side Diff: third_party/WebKit/LayoutTests/paint/invalidation/compositing/non-composited-sticky-element-repaint.html

Issue 2845613002: Fix the bug that sticky element may not be correctly invalidated due to non-promotion (Closed)

Patch Set: Logic update && add layout test Created 3 years, 7 months ago

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(Empty)
	1 <!DOCTYPE html>

	2 <style>

	3 .scroller {

	4 overflow: scroll;

	5 width: 200px;

	6 height: 600px;

	7 }

	8

	9 .composited {

	10 will-change: transform;

	11 }

	12

	13 .box {

	14 background: rgba(255, 0, 0, 0.5);

	15 position: sticky;

	16 width: 100%;

	17 height: 50px;

	18 top: 0px;

	19 }

	20

	21 .container {

	22 width: 100%;

	23 height: 1000px;

	24 background: green;

	25 }

	26

	27 .spacer {

	28 height: 300px;

	29 }

	30 </style>

	31

	32 <div id="scroller" class="scroller">

	33 <div class="spacer"></div>

	34 <div class="composited container">

	35 <div class="box"></div>

	36 </div>

	37 </div>

	38

	39 <script src="../resources/text-based-repaint.js"></script>

	40 <script>

	41 // The sticky box should not be invalidated as it hasn't

	42 // passed the starting constraint yet.

	43 function repaintTest() {

	44 let scroller = document.getElementById('scroller');

	45 scroller.scrollTop = 200;

	46 }

	47 onload = runRepaintAndPixelTest;

	48 </script>

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