From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../css/scroll-timeline-root-dirty.html            | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 testing/web-platform/tests/scroll-animations/css/scroll-timeline-root-dirty.html

(limited to 'testing/web-platform/tests/scroll-animations/css/scroll-timeline-root-dirty.html')
diff --git a/testing/web-platform/tests/scroll-animations/css/scroll-timeline-root-dirty.html b/testing/web-platform/tests/scroll-animations/css/scroll-timeline-root-dirty.html
new file mode 100644
index 0000000000..1c0b73ab45
--- /dev/null
+++ b/testing/web-platform/tests/scroll-animations/css/scroll-timeline-root-dirty.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<title>Unrelated style mutation does not affect anonymous timeline (root)</title>
+<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-notation">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/scroll-animations/scroll-timelines/testcommon.js"></script>
+<script src="/css/css-animations/support/testcommon.js"></script>
+<script src="support/testcommon.js"></script>
+<style>
+  @keyframes anim {
+    from { z-index: 100; }
+    to { z-index: 100; }
+  }
+  #element {
+    animation: anim forwards;
+    animation-timeline: scroll(root);
+  }
+  #spacer {
+    height: 200vh;
+  }
+</style>
+<div id=element></div>
+<div id=spacer></div>
+
+<script>
+setup(assert_implements_animation_timeline);
+
+promise_test(async () => {
+  await waitForCSSScrollTimelineStyle();
+  assert_equals(getComputedStyle(element).zIndex, '100');
+  // Unrelated style mutation does not change the effect value:
+  element.style.color = 'green';
+  assert_equals(getComputedStyle(element).zIndex, '100');
+});
+</script>
-- 
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