[Checkins] SVN: ZODB/branches/shane-poll-invalidations/src/ZODB/tests/PackableStorage.py Fixed a test that required len(storage) to return nonzero; the len() operation is optional.

[Shane Hathaway]

Log message for revision 94009:
  Fixed a test that required len(storage) to return nonzero; the len() operation is optional.
  

Changed:
  U   ZODB/branches/shane-poll-invalidations/src/ZODB/tests/PackableStorage.py

-=-
Modified: ZODB/branches/shane-poll-invalidations/src/ZODB/tests/PackableStorage.py
===================================================================
--- ZODB/branches/shane-poll-invalidations/src/ZODB/tests/PackableStorage.py	2008-12-13 01:00:50 UTC (rev 94008)
+++ ZODB/branches/shane-poll-invalidations/src/ZODB/tests/PackableStorage.py	2008-12-13 01:34:09 UTC (rev 94009)
@@ -312,7 +312,8 @@
         root[2] = conn.get_connection('o').root()
         transaction.commit()
         db.pack(time.time()+1)
-        self.assertEqual(len(self._storage), 1)
+        # some valid storages always return 0 for len()
+        self.assertTrue(len(self._storage) in (0, 1))
 
     def checkPackAllRevisions(self):
         self._initroot()