From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../transform-3d/animate-backface-hidden.html      | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 layout/reftests/transform-3d/animate-backface-hidden.html

(limited to 'layout/reftests/transform-3d/animate-backface-hidden.html')
diff --git a/layout/reftests/transform-3d/animate-backface-hidden.html b/layout/reftests/transform-3d/animate-backface-hidden.html
new file mode 100644
index 0000000000..f52b912f66
--- /dev/null
+++ b/layout/reftests/transform-3d/animate-backface-hidden.html
@@ -0,0 +1,47 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait reftest-no-flush">
+<title>Testcase, bug 1186061</title>
+<style>
+
+html { overflow: hidden }
+
+body { padding: 50px }
+
+@keyframes flip {
+  0%, 85% { transform: rotateX(170deg); }
+  90%, 100% { transform: rotateX(10deg); }
+}
+
+#test {
+  background: blue;
+  height: 200px; width: 200px;
+  backface-visibility: hidden;
+  /* use a -99.9s delay to start at 99.9% and then move to 0% */
+  animation: flip 100s -99.9s linear 2 paused;
+}
+
+</style>
+
+<div id="test">
+</div>
+
+<script>
+
+document.getElementById("test")
+        .addEventListener("animationstart", StartListener);
+
+function StartListener(event) {
+  var test = document.getElementById("test");
+  test.style.animationPlayState = 'running';
+  test.addEventListener("animationiteration", IterationListener);
+}
+
+function IterationListener(event) {
+  setTimeout(RemoveReftestWait, 0);
+}
+
+function RemoveReftestWait() {
+  document.documentElement.classList.remove("reftest-wait");
+}
+
+</script>
-- 
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