1 files changed, 24 insertions, 0 deletions
diff --git a/layout/reftests/css-animations/stacking-context-offset-path-none-with-fill-backwards.html b/layout/reftests/css-animations/stacking-context-offset-path-none-with-fill-backwards.html
new file mode 100644
index 0000000000..50143d36bc
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+++ b/layout/reftests/css-animations/stacking-context-offset-path-none-with-fill-backwards.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<title>
+offset-path animation does not destroy stacking context when the animation
+has finished but has fill:backwards
+</title>
+<style>
+span {
+  height: 100px;
+  width: 100px;
+  position: fixed;
+  background: green;
+  top: 50px;
+}
+@keyframes OffsetPathNone {
+  from, to { offset-path: none }
+}
+#test {
+  width: 100px; height: 100px;
+  background: blue;
+  animation: OffsetPathNone 100s 100s backwards;
+}
+</style>
+<span></span>
+<div id="test"></div>