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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/layout-instability/contain-paint-fully-clipped.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/testing/web-platform/tests/layout-instability/contain-paint-fully-clipped.html b/testing/web-platform/tests/layout-instability/contain-paint-fully-clipped.html
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+++ b/testing/web-platform/tests/layout-instability/contain-paint-fully-clipped.html
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+<!DOCTYPE html>
+<title>Layout Instability: fully clipped by contain:paint</title>
+<link rel="help" href="https://wicg.github.io/layout-instability/" />
+<div style="contain: paint; height: 0; position: relative">
+ <div id="target" style="position: absolute; top: 0; width: 400px; height: 400px; background: blue"></div>
+</div>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/util.js"></script>
+<script>
+
+promise_test(async () => {
+ const watcher = new ScoreWatcher;
+
+ // Wait for the initial render to complete.
+ await waitForAnimationFrames(2);
+
+ // Shift target, for which no shift should be reported because it's hidden.
+ document.querySelector("#target").style.top = '200px';
+
+ await waitForAnimationFrames(2);
+ // No shift should be reported.
+ assert_equals(watcher.score, 0);
+}, 'fully clipped by contain:paint');
+
+</script>