third_party/WebKit/LayoutTests/paint/invalidation/iframe-rounding.html - Issue 1834263002: Round visual rects when crossing frame boundaries.

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Unified Diff: third_party/WebKit/LayoutTests/paint/invalidation/iframe-rounding.html

Issue 1834263002: Round visual rects when crossing frame boundaries. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 9 months ago

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Index: third_party/WebKit/LayoutTests/paint/invalidation/iframe-rounding.html

diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/iframe-rounding.html b/third_party/WebKit/LayoutTests/paint/invalidation/iframe-rounding.html

new file mode 100644

index 0000000000000000000000000000000000000000..5337f402b42d52438cd3b9038f26904ffe909d7e

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/paint/invalidation/iframe-rounding.html

@@ -0,0 +1,15 @@

+<!DOCTYPE html>

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

+<!-- The div within the iframe is at 0.5px from the iframe bounds, and the div containing the iframe is at 0.5px from the top-left of the screen.

+This test checks that the latter 0.5px is rounded to 1 before being added to the 0.5px and then rounded up again to an invalidation rect. This is

+because iframes are painted in rounded-int coordinates.

+-->

+<div style="position: relative; left: 0.5px; margin: 0">

+ <iframe id='iframe' srcdoc="<div id='target' style='position: relative; background: lightblue; width: 100px; height: 100px; left: 0.5px'></div>"></iframe>

+</div>

+<script>

+onload = runRepaintTest;

+function repaintTest() {

+ iframe.contentDocument.querySelector('#target').style.background = 'lightgray';

+</script>

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