third_party/WebKit/LayoutTests/paint/invalidation/selection-within-opaque-composited-scroller.html - Issue 2310203002: Invalidate scrolling contents layer background when child invalidated.

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Side by Side Diff: third_party/WebKit/LayoutTests/paint/invalidation/selection-within-opaque-composited-scroller.html

Issue 2310203002: Invalidate scrolling contents layer background when child invalidated. (Closed)

Patch Set: Created 4 years, 3 months ago

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1 <!doctype HTML>	1 <!doctype HTML>

2 <div id="scroller" style="width: 200px; height: 200px; overflow: scroll; backgro und: lightgray; will-change: transform">	2 <div id="scroller" style="width: 200px; height: 200px; overflow: scroll; backgro und: lightgray local; will-change: transform">

3 <div style="width: 100px; height: 600px; background: lightblue; margin-bottom: 1 0px"></div>	3 <div style="width: 100px; height: 600px; background: lightblue; margin-bottom: 1 0px"></div>

4 <div id="target" style="width: 200px; height: 1000px; background: lightblue; mar gin-bottom: 10px">test</div>	4 <div id="target" style="width: 200px; height: 1000px; background: lightblue; mar gin-bottom: 10px">test</div>

5 </div>	5 </div>

6 <script src="../../fast/repaint/resources/text-based-repaint.js"></script>	6 <script src="../../fast/repaint/resources/text-based-repaint.js"></script>

7 <script>	7 <script>

8 scroller.scrollTop = 450;

9 function repaintTest() {	8 function repaintTest() {

10 var range = document.createRange();	9 var range = document.createRange();

11 range.selectNode(target);	10 range.selectNode(target);

12 window.getSelection().addRange(range);	11 window.getSelection().addRange(range);

13 }	12 }

14 onload = runRepaintAndPixelTest;	13 onload = function() {

15 </script>	14 // Ensure the scroller has painted before we scroll.

	15 requestAnimationFrame(function() {

	16 requestAnimationFrame(function() {

	17 scroller.scrollTop = 450;

	18 runRepaintTest();

	19 });

	20 });

	21 }

	22 </script>

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