From c9e9e40b7bc5de0fb6740cb3dd89427ddf60e2cd Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 11 Mar 2002 13:21:25 +0000
Subject: [PATCH] Add a check that SF bug 516727 is really fixed.

---
 Lib/test/test_descr.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 696e99c927..32940eb9eb 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -429,6 +429,16 @@ def ints():
     # The following crashes in Python 2.2
     vereq((1).__nonzero__(), 1)
     vereq((0).__nonzero__(), 0)
+    # This returns 'NotImplemented' in Python 2.2
+    class C(int):
+        def __add__(self, other):
+            return NotImplemented
+    try:
+        C() + ""
+    except TypeError:
+        pass
+    else:
+        raise TestFailed, "NotImplemented should have caused TypeErrpr"
 
 def longs():
     if verbose: print "Testing long operations..."
-- 
2.40.0