From d693a81595ae3c617f5dd20f9a8bf8b7f130683b Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Mon, 30 Jun 2003 04:18:48 +0000
Subject: Fix SF 762891:  "del p[key]" on proxy object raises SystemError()

---
 Lib/test/test_weakref.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'Lib/test/test_weakref.py')

diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index 5969f3552a..1b450a364a 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -226,6 +226,17 @@ class ReferencesTestCase(TestBase):
         self.assert_(not hasattr(o, 'foo'),
                      "object does not reflect attribute removal via proxy")
 
+    def test_proxy_deletion(self):
+        # Test clearing of SF bug #762891
+        class Foo:
+            result = None
+            def __delitem__(self, accessor):
+                self.result = accessor
+        g = Foo()
+        f = weakref.proxy(g)
+        del f[0]
+        self.assertEqual(f.result, 0)
+
     def test_getweakrefcount(self):
         o = C()
         ref1 = weakref.ref(o)
-- 
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