#777884: make .normalize() do nothing for childless nodes, instead of raising an exception
diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index 9a9acfb..d9d3be4 100644
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -951,6 +951,14 @@
         doc.unlink()
 
 
+    def testBug0777884(self):
+        doc = parseString("<o>text</o>")
+        text = doc.documentElement.childNodes[0]
+        self.assertEquals(text.nodeType, Node.TEXT_NODE)
+        # Should run quietly, doing nothing.
+        text.normalize()
+        doc.unlink()
+
     def testBug1433694(self):
         doc = parseString("<o><i/>t</o>")
         node = doc.documentElement