1 files changed, 73 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-chained-001.html b/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-chained-001.html
new file mode 100644
index 0000000000..3f515a5686
--- /dev/null
+++ b/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-chained-001.html
@@ -0,0 +1,73 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<meta charset="utf-8">
+<title>CSS Anchor Positioning Test: position-visibility: anchors-visible</title>
+<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7758">
+<link rel="match" href="position-visibility-anchors-visible-after-scroll-out-ref.html">
+<script src="/common/reftest-wait.js"></script>
+<script src="/common/rendering-utils.js"></script>
+<style>
+  #scroll-container {
+    overflow: hidden scroll;
+    width: 300px;
+    height: 100px;
+  }
+
+  #anchor1 {
+    anchor-name: --a1;
+    width: 100px;
+    height: 100px;
+    background: orange;
+  }
+
+  #anchor2 {
+    anchor-name: --a2;
+    width: 100px;
+    height: 50px;
+    background: yellow;
+  }
+
+  .spacer {
+    height: 100px;
+  }
+
+  .anchored {
+    position-visibility: anchors-visible;
+    inset-area: bottom;
+    width: 100px;
+    height: 50px;
+    background: red;
+    position: absolute;
+    top: 0;
+    left: 0;
+  }
+
+  #chained {
+    position-anchor: --a1;
+  }
+
+  #target {
+    position-anchor: --a2;
+  }
+</style>
+
+<div id="scroll-container">
+  <div id="anchor1">anchor1</div>
+  <div class="spacer"></div>
+  <div id="chained" class="anchored">
+    <div id="anchor2">chained</div>
+  </div>
+  <div id="target" class="anchored">target</div>
+</div>
+
+<script>
+  // #target should be initially visible because it is anchored to #anchor2
+  // which is chained to #anchor1 and both anchors are visible.
+  waitForAtLeastOneFrame().then(() => {
+    // Scroll #anchor1 so that it is out of view.
+    document.getElementById('scroll-container').scrollTop = 100;
+
+    // #target should now be invisible.
+    takeScreenshot();
+  });
+</script>