third_party/WebKit/LayoutTests/fast/css/containment/contain-paint-composited-scroll.html - Issue 1985933002: Don't clip composited scrolling contain:paint

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Unified Diff: third_party/WebKit/LayoutTests/fast/css/containment/contain-paint-composited-scroll.html

Issue 1985933002: Don't clip composited scrolling contain:paint (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 7 months ago

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Index: third_party/WebKit/LayoutTests/fast/css/containment/contain-paint-composited-scroll.html

diff --git a/third_party/WebKit/LayoutTests/fast/css/containment/contain-paint-composited-scroll.html b/third_party/WebKit/LayoutTests/fast/css/containment/contain-paint-composited-scroll.html

new file mode 100644

index 0000000000000000000000000000000000000000..431becca324920ca6e36f0cceea1fdd29a59a187

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/fast/css/containment/contain-paint-composited-scroll.html

@@ -0,0 +1,33 @@

+<!DOCTYPE html>

+Tests composited scrolling of contain:paint. Passes if contents are completely painted when scrolled.

+<style>

+::-webkit-scrollbar { width: 0 }

+</style>

+<div id="target" style="overflow-y: auto; width: 150px; height: 150px; contain: paint; will-change: transform">

+1<br>

+2<br>

+3<br>

+4<br>

+5<br>

+6<br>

+7<br>

+8<br>

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+10<br>

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+13<br>

+14<br>

+15<br>

+16<br>

+17<br>

+18<br>

+19<br>

+20<br>

+</div>

+<script src="../../../resources/run-after-layout-and-paint.js"></script>

+<script>

+runAfterLayoutAndPaint(function() {

+ target.scrollTop = 100;

+}, true);

+</script>

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