Add some additional tests that check more proxy behaviors.
diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index 7f4870e..2ca6a7a 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -1,5 +1,6 @@
import sys
import unittest
+import UserList
import weakref
import test_support
@@ -149,6 +150,23 @@
o = C()
self.check_proxy(o, weakref.proxy(o))
+ L = UserList.UserList()
+ p = weakref.proxy(L)
+ self.failIf(p, "proxy for empty UserList should be false")
+ p.append(12)
+ self.assertEqual(len(L), 1)
+ self.failUnless(p, "proxy for non-empty UserList should be true")
+ p[:] = [2, 3]
+ self.assertEqual(len(L), 2)
+ self.assertEqual(len(p), 2)
+ self.failUnless(3 in p, "proxy didn't support __contains__() properly")
+ p[1] = 5
+ self.assertEqual(L[1], 5)
+ self.assertEqual(p[1], 5)
+ L2 = UserList.UserList(L)
+ p2 = weakref.proxy(L2)
+ self.assertEqual(p, p2)
+
def test_callable_proxy(self):
o = Callable()
ref1 = weakref.proxy(o)