1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-anchor-position/reference/anchor-scroll-update-006-ref.html b/testing/web-platform/tests/css/css-anchor-position/reference/anchor-scroll-update-006-ref.html
new file mode 100644
index 0000000000..c7fbb57e76
--- /dev/null
+++ b/testing/web-platform/tests/css/css-anchor-position/reference/anchor-scroll-update-006-ref.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<style>
+  #cb {
+    position: absolute;
+    inset: 0;
+  }
+  #scroller {
+    margin-top: 300px;
+    overflow-y: scroll;
+    height: 100px;
+  }
+  #spacer { height: 300px; }
+  #anchor { anchor-name: --a; }
+  #anchored {
+    position: absolute;
+    width: 100px;
+    height: 100px;
+    background-color: green;
+    top: 100px;
+    left: 0;
+  }
+</style>
+<div id="cb">
+  <div id="scroller">
+    <div id="anchor"></div>
+    <div id="spacer"></div>
+  </div>
+  <div id="anchored"></div>
+</div>
+<script>
+const scroller = document.getElementById('scroller');
+scroller.scrollTop = 200;
+</script>
+