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>
---
 .../tests/css/css-pseudo/backdrop-animate.html     | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 testing/web-platform/tests/css/css-pseudo/backdrop-animate.html

(limited to 'testing/web-platform/tests/css/css-pseudo/backdrop-animate.html')
diff --git a/testing/web-platform/tests/css/css-pseudo/backdrop-animate.html b/testing/web-platform/tests/css/css-pseudo/backdrop-animate.html
new file mode 100644
index 0000000000..73bf6bf6f6
--- /dev/null
+++ b/testing/web-platform/tests/css/css-pseudo/backdrop-animate.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Pseudo-Elements Test: ::backdrop & web animations</title>
+<link rel="help" href="https://fullscreen.spec.whatwg.org/#::backdrop-pseudo-element">
+<link rel="help" href="https://drafts.csswg.org/web-animations-1/">
+<meta name="assert" content="This test checks that ::backdrop can be animated with Web Animations." />
+<div id="log"></div>
+<dialog id="target">Dialog contents</dialog>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+const target = document.getElementById("target");
+target.showModal();
+
+test(function() {
+  const options = {
+    pseudoElement: "::backdrop",
+    duration: 2,
+    delay: -1,
+  };
+  const cs = getComputedStyle(target, "::backdrop");
+  const anim = target.animate([
+    {backgroundColor: "rgb(0, 100, 200)"},
+    {backgroundColor: "rgb(200, 0, 100)"},
+  ], options);
+  this.add_cleanup(() => anim.cancel());
+  assert_equals(cs.backgroundColor, "rgb(100, 50, 150)", "background-color");
+}, "'backgroundColor' animation");
+</script>
-- 
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