From 8dd16259287f58f9273002717ec4d27e97127719 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 12 Jun 2024 07:43:14 +0200
Subject: Merging upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../pseudo-element-preserve-3d.html                | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 testing/web-platform/tests/css/css-view-transitions/pseudo-element-preserve-3d.html

(limited to 'testing/web-platform/tests/css/css-view-transitions/pseudo-element-preserve-3d.html')
diff --git a/testing/web-platform/tests/css/css-view-transitions/pseudo-element-preserve-3d.html b/testing/web-platform/tests/css/css-view-transitions/pseudo-element-preserve-3d.html
new file mode 100644
index 0000000000..474f743e1c
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/pseudo-element-preserve-3d.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<title>View transitions: transform-style: preserve-3d is respected on pseudo elements</title>
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
+<link rel="author" href="mailto:mattwoodrow@apple.com">
+<link rel="match" href="pseudo-element-preserve-3d-ref.html">
+<script src="/common/reftest-wait.js"></script>
+<style>
+div {
+  width: 200px;
+  height: 200px;
+  background: green;
+  view-transition-name: target;
+}
+
+/* We're verifying what we capture, so just display the old contents for 5 minutes.  */
+html::view-transition-group(*) { animation-duration: 300s; }
+html::view-transition-group(target) { background: green; }
+html::view-transition-new(*) { animation: unset; opacity: 0; }
+html::view-transition-old(*) { animation: unset; opacity: 1; }
+/* hide the root so we show transition background to ensure we're in a transition */
+html::view-transition-group(root) { animation: unset; opacity: 0; }
+html::view-transition { background: pink; }
+html::view-transition-image-pair(target) {
+  transform: rotateX(90deg);
+  transform-style: preserve-3d;
+}
+html::view-transition-old(target) {
+  transform: rotateX(90deg);
+}
+</style>
+
+<div id="target"></div>
+<script>
+failIfNot(document.startViewTransition, "Missing document.startViewTransition");
+
+async function runTest() {
+  let t = document.startViewTransition();
+  t.ready.then(takeScreenshot);
+}
+onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
+</script>
+
+</html>
-- 
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