--- a/usr/src/cmd/system-config/profile/ip_address.py	Fri Jun 03 12:11:47 2011 -0700
+++ b/usr/src/cmd/system-config/profile/ip_address.py	Tue Jun 07 09:09:48 2011 +0200
@@ -29,7 +29,6 @@
 import re
 
 
-
 class IPAddress(object):
     '''Simple class to represent IP addresses
     
@@ -129,9 +128,12 @@
     def incremental_check(address):
         '''Incrementally check an IP Address. Useful for checking a partial
         address, e.g., one that is partly typed into the UI
-        
+        Returns a list of valid segments parsed 
+        Raises ValueError if invalid
         '''
-        if address[0] == '.':
+        if not address:
+            return []
+        if address.startswith('.'):
             raise ValueError("An IP address may not begin with a period.")
         if address.endswith(".."):
             raise ValueError("Periods must be separated by numbers.")

--- a/usr/src/cmd/system-config/profile/test/test_ip_address.py	Fri Jun 03 12:11:47 2011 -0700
+++ b/usr/src/cmd/system-config/profile/test/test_ip_address.py	Tue Jun 07 09:09:48 2011 +0200
@@ -178,3 +178,7 @@
             # Not using 'assertRaises' as we need to examine the ValueError
             self.assertEquals("Values should be between 0 and 255",
                               err.args[0])
+
+
+if __name__ == '__main__':
+    unittest.main()

--- a/usr/src/cmd/system-config/profile/test/test_network_info.py	Fri Jun 03 12:11:47 2011 -0700
+++ b/usr/src/cmd/system-config/profile/test/test_network_info.py	Tue Jun 07 09:09:48 2011 +0200
@@ -94,10 +94,6 @@
                 net_phys = svc
             elif svc.get("name") == "network/install":
                 net_install = svc
-            elif svc.get("name") == "network/dns/install":
-                net_dns_install = svc
-            elif svc.get("name") == "network/dns/client":
-                net_dns_client = svc
             else:
                 self.fail("Unexpected service found: %s" %
                            etree.tostring(svc, pretty_print=True))
@@ -112,8 +108,7 @@
                                               "install_ipv6_interface"):
                 self.fail("Unexpected property group of network/dns/install: "
                           "%s" % etree.tostring(prop_group, pretty_print=True))
-        
-        for prop_group in net_dns_install.iterchildren().next():
-            if prop_group.get("name") != "install_props":
-                self.fail("Unexpected property group of network/dns/install: "
-                          "%s" % etree.tostring(prop_group, pretty_print=True))
+
+
+if __name__ == '__main__':
+    unittest.main()