third_party/WebKit/LayoutTests/paint/invalidation/invalidation-on-foreground-graphics-layer.html - Issue 2019583002: Don't include scroll offset in offsetFromLayoutObject for scrolling contents layers.

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Unified Diff: third_party/WebKit/LayoutTests/paint/invalidation/invalidation-on-foreground-graphics-layer.html

Issue 2019583002: Don't include scroll offset in offsetFromLayoutObject for scrolling contents layers. (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/paint/invalidation/invalidation-on-foreground-graphics-layer.html

diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/invalidation-on-foreground-graphics-layer.html b/third_party/WebKit/LayoutTests/paint/invalidation/invalidation-on-foreground-graphics-layer.html

new file mode 100644

index 0000000000000000000000000000000000000000..9a24407a67e197c1a4a2793dfdbe370ec1d632c7

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/paint/invalidation/invalidation-on-foreground-graphics-layer.html

@@ -0,0 +1,16 @@

+<!doctype HTML>

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

+<div style="will-change: transform; overflow: scroll; width: 200px; height: 200px; background: lightgray">

+ <div style="position: relative; z-index: -1; width: 200px; height: 200px; background: lightblue; will-change: transform"></div>

+ <div id="target" style="width: 200px; height: 200px; margin-top: -100px; margin-left: 100px; background: red"></div>

+</div>

+<script>

+// Tests invalidation of the foreground graphics layer, which is used to paint normal flow and positive z-index children

+// in the presence of a composited, negative z-index child.

+function repaintTest() {

+ target.style.background = "green";

+onload = function() {

+ runRepaintAndPixelTest();

+</script>