Check that f.keys() == [] right after creation -- this prevents bugs
like the one I just fixed to come back and haunt us.
diff --git a/Lib/test/test_gdbm.py b/Lib/test/test_gdbm.py
index 67c67eb..d364016 100755
--- a/Lib/test/test_gdbm.py
+++ b/Lib/test/test_gdbm.py
@@ -5,11 +5,12 @@
import gdbm
from gdbm import error
-from test_support import verbose, TestFailed
+from test_support import verbose, verify, TestFailed
filename= '/tmp/delete_me'
g = gdbm.open(filename, 'c')
+verify(g.keys() == [])
g['a'] = 'b'
g['12345678910'] = '019237410982340912840198242'
a = g.keys()