1 files changed, 25 insertions, 0 deletions
diff --git a/layout/reftests/bugs/486848-1.xul b/layout/reftests/bugs/486848-1.xul
new file mode 100644
index 000000000..ec9f1d0e1
--- /dev/null
+++ b/layout/reftests/bugs/486848-1.xul
@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+
+<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
+
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+	onload="boom();">
+
+<script type="text/javascript">
+
+function boom()
+{
+  var c = document.getElementById("c");
+  var n = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "listitem");
+  n.textContent = "b";
+  c.parentNode.insertBefore(n, c);
+}
+
+</script>
+
+<listbox id="listbox">
+  <listitem id="a">a</listitem>
+  <listitem id="c">c</listitem>
+</listbox>
+
+</window>