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Issue 2254893005:
Fix visual rect for background box painting in composited scrollers. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master| Index: third_party/WebKit/LayoutTests/fast/scroll-behavior/overflow-scroll-with-local-background-and-text.html |
| diff --git a/third_party/WebKit/LayoutTests/fast/scroll-behavior/overflow-scroll-with-local-background-and-text.html b/third_party/WebKit/LayoutTests/fast/scroll-behavior/overflow-scroll-with-local-background-and-text.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..940b9f46edb93cc3ce4d9d3fc6ab29acae4be642 |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/fast/scroll-behavior/overflow-scroll-with-local-background-and-text.html |
| @@ -0,0 +1,38 @@ |
| +<!DOCTYPE html> |
| +<script> |
| +if (window.testRunner) |
| + testRunner.waitUntilDone(); |
| + |
| +onload = function() { |
|
wkorman
2016/08/18 23:48:11
This is test case from flackr@ via http://crbug.co
|
| + // Double rAF to ensure content is painted before scroll. |
| + requestAnimationFrame(function() { |
| + requestAnimationFrame(scrollToBottom); |
| + }); |
| +} |
| + |
| +function scrollToBottom() { |
| + scroller.scrollTop = 500; |
| + if (window.testRunner) |
| + window.testRunner.notifyDone(); |
| +} |
| +</script> |
| +<style> |
| +#scroller { |
| + background: gray local; |
| + border: 10px solid green; |
| + overflow: scroll; |
| + width: 200px; |
| + height: 200px; |
| + will-change: transform; |
| +} |
| + |
| +#spacer { |
| + height: 500px; |
| +} |
| +</style> |
| +<!-- Test that the background is correctly repainted when the scrolled content |
| + grows in size. --> |
| +<div id="scroller"> |
| + <div id="spacer"></div> |
| + <p>Text content</p> |
| +</div> |
