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Side by Side Diff: third_party/WebKit/LayoutTests/paint/invalidation/repaint-composited-child-in-scrolled-container.html

Issue 2498823002: Paint invalidation of local attachment backgrounds (Closed)
Patch Set: Update test expectations Created 4 years, 1 month ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <script src="resources/text-based-repaint.js" type="text/javascript"></script> 2 <script src="resources/text-based-repaint.js" type="text/javascript"></script>
3 <style> 3 <style>
4 #outer { 4 #outer {
5 overflow: scroll; 5 overflow: scroll;
6 width: 300px; 6 width: 300px;
7 height: 300px; 7 height: 300px;
8 background-color: blue; 8 background-color: blue;
9 position: absolute; 9 position: absolute;
10 } 10 }
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28 // This test ensures we properly paint composited descendants of clipped 28 // This test ensures we properly paint composited descendants of clipped
29 // ancestors in the invalidateTree step. Composited children can be moved 29 // ancestors in the invalidateTree step. Composited children can be moved
30 // around in respect to their clipping ancestors without needing to be 30 // around in respect to their clipping ancestors without needing to be
31 // repainted (and will have their clip applied directly by the CC), so 31 // repainted (and will have their clip applied directly by the CC), so
32 // Blink needs to ignore their ancestor's clip rects to properly paint. 32 // Blink needs to ignore their ancestor's clip rects to properly paint.
33 // We can't just change the background color, because that gets repainted 33 // We can't just change the background color, because that gets repainted
34 // in style recalc and doesn't tickle the bug. 34 // in style recalc and doesn't tickle the bug.
35 document.querySelector('#inner').style.border = '300px solid green'; 35 document.querySelector('#inner').style.border = '300px solid green';
36 document.querySelector('#outer').scrollLeft = 500; 36 document.querySelector('#outer').scrollLeft = 500;
37 } 37 }
38 </script> 38 </script>
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