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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html')
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diff --git a/testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html b/testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html
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+++ b/testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html
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+<!DOCTYPE html>
+<title>Layout Instability: on-screen content-visibility:auto content</title>
+<link rel="help" href="https://wicg.github.io/layout-instability/" />
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/util.js"></script>
+<script>
+// These scripts need to be before the contents because we need to ensure no
+// layout shifts during page load.
+promise_test(async () => {
+ const watcher = new ScoreWatcher;
+
+ // Wait for the initial render to complete.
+ await waitForAnimationFrames(2);
+ assert_equals(watcher.score, 0);
+}, 'on-screen content-visibility:auto');
+</script>
+<style>
+ #target {
+ content-visibility: auto;
+ contain-intrinsic-size: 1px;
+ width: 100px;
+ }
+</style>
+<div id=target>
+ <div style="width: 100px; height: 100px; background: blue"></div>
+</div>