1 files changed, 23 insertions, 0 deletions
diff --git a/layout/reftests/webcomponents/dynamic-shadow-element-1.html b/layout/reftests/webcomponents/dynamic-shadow-element-1.html
new file mode 100644
index 000000000..0142164a1
--- /dev/null
+++ b/layout/reftests/webcomponents/dynamic-shadow-element-1.html
@@ -0,0 +1,23 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <script>
+    function tweak() {
+      var oldestShadow = document.getElementById('outer').createShadowRoot();
+      oldestShadow.innerHTML = 'Hello';
+
+      var olderShadow = document.getElementById('outer').createShadowRoot();
+
+      var youngerShadow = document.getElementById('outer').createShadowRoot();
+      youngerShadow.innerHTML = '<div style="background-color:green"><shadow></shadow></div>';
+
+      olderShadow.innerHTML = '<shadow></shadow> World';
+    }
+  </script>
+</head>
+<body onload="tweak()">
+<div id="outer">
+  <div style="width:300px; height:100px; background-color:red;"></div>
+</div>
+</body>
+</html>