1 files changed, 23 insertions, 0 deletions
diff --git a/layout/reftests/css-invalid/fieldset/fieldset-with-valid-element-add-barred-dynamic.html b/layout/reftests/css-invalid/fieldset/fieldset-with-valid-element-add-barred-dynamic.html
new file mode 100644
index 000000000..3c1e8a3f9
--- /dev/null
+++ b/layout/reftests/css-invalid/fieldset/fieldset-with-valid-element-add-barred-dynamic.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<!-- fieldset with one valid element and you dynamically add a barred constraint
+validation element -->
+<html>
+  <head>
+    <style>
+      fieldset:valid { display:none }
+    </style>
+    <script>
+      function onLoadHandler()
+      {
+        document.getElementById("fieldset").appendChild(document.getElementById('i'));
+        document.documentElement.className='';
+      }
+    </script>
+  </head>
+  <body onload='onLoadHandler();'>
+    <input id='i' value='foo' readonly>
+    <fieldset id="fieldset" id="fieldset">
+      <input id='j' value='bar' required>
+    </fieldset>
+  </body>
+</html>