third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll.html - Issue 2144413002: Fix invalidation under scroll, and cull rect testing, of flipped-block writing mode elements.

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Unified Diff: third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll.html

Issue 2144413002: Fix invalidation under scroll, and cull rect testing, of flipped-block writing mode elements. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: none Created 4 years, 5 months ago

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Index: third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll.html

diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll.html b/third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll.html

new file mode 100644

index 0000000000000000000000000000000000000000..3c91534de99a65ebe8662517eddd7c0b4fda8264

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/paint/invalidation/flipped-blocks-writing-mode-scroll.html

@@ -0,0 +1,14 @@

+<!DOCTYPE html>

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

+<div id="scroller" style="writing-mode: vertical-rl; width: 400px; height: 400px; overflow-x: auto; will-change: transform">

+ <div id="target" style="width: 10000px; height:200px; background: red"></div>

+</div>

+<script>

+// Tests that flipped-blocks writing mode paint invalidation and culling works correctly for a composited scroller.

+// The result should be a green rectangle across the screen, and a scrollbar moved all the way to the left.

+onload = runRepaintAndPixelTest;

+function repaintTest() {

+ target.style.background = "green";

+ scroller.scrollLeft = 0;

+</script>