third_party/WebKit/LayoutTests/paint/invalidation/relative-position-under-composited-scroll.html - Issue 1937303003: Set layers needsRepaint along the original compositingContainer chain if stacking status changes

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Unified Diff: third_party/WebKit/LayoutTests/paint/invalidation/relative-position-under-composited-scroll.html

Issue 1937303003: Set layers needsRepaint along the original compositingContainer chain if stacking status changes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 8 months ago

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Index: third_party/WebKit/LayoutTests/paint/invalidation/relative-position-under-composited-scroll.html

diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/relative-position-under-composited-scroll.html b/third_party/WebKit/LayoutTests/paint/invalidation/relative-position-under-composited-scroll.html

new file mode 100644

index 0000000000000000000000000000000000000000..954bb59149bc64c916591ef5bd9eff95bc0730a5

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/paint/invalidation/relative-position-under-composited-scroll.html

@@ -0,0 +1,19 @@

+<!DOCTYPE html>

+Tests paint invalidation when an object under composited scrolled container is

+set 'display: relative'. Passes if no red residue.

+<div style="overflow: scroll; width: 200px; height: 200px">

+ <div style="width: 800px; height: 800px">

+ <div id="item" style="background-color: red; width: 50px; height: 50px"></div>

+ </div>

+</div>

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

+<script>

+if (window.internal)

+ internals.settings.setPreferCompositingToLCDTextEnabled(true);

chrishtr 2016/05/02 21:13:32 How about using will-changeL transform instead of

Xianzhu 2016/05/02 21:59:29 It's special because it establishes a composited l

+runAfterLayoutAndPaint(function() {

+ item.style.position = 'relative';

+ item.style.left = '100px';

+ item.style.top = '100px';

+ item.style.backgroundColor = 'green';

+}, true);

+</script>