Add regression test for SF bug #476616 -- make sure copy of a derived class

does not share data with the original.

Add regression test for SF bug #476616 -- make sure copy of a derived class
does not share data with the original.
31aa1f89 · Fred Drake · d3302f98 · 31aa1f89
Commit 31aa1f89 authored Nov 05, 2001 by Fred Drake
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Lib/test/test_userdict.py Lib/test/test_userdict.py +4 -0

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--- a/Lib/test/test_userdict.py
+++ b/Lib/test/test_userdict.py
@@ -75,6 +75,10 @@ m2 = MyUserDict(u2)
 m2a = m2.copy()
 verify(m2a == m2)

+# SF bug #476616 -- copy() of UserDict subclass shared data
+m2['foo'] = 'bar'
+verify(m2a != m2)
+
 # Test keys, items, values

 verify(u2.keys() == d2.keys())