[pypy-svn] pypy default: Modify test_descr to skip checking assignment of __class__ when the

arigo commits-noreply at bitbucket.org
Fri Jan 21 16:25:21 CET 2011

Author: Armin Rigo <arigo at tunes.org>
Changeset: r41145:cb341400f350
Date: 2011-01-21 16:24 +0100

Log:	Modify test_descr to skip checking assignment of __class__ when the
	target class just happens to have the same slots as the source one.
	Add comment.

diff --git a/lib-python/2.7.0/test/test_descr.py b/lib-python/modified-2.7.0/test/test_descr.py
copy from lib-python/2.7.0/test/test_descr.py
copy to lib-python/modified-2.7.0/test/test_descr.py
--- a/lib-python/2.7.0/test/test_descr.py
+++ b/lib-python/modified-2.7.0/test/test_descr.py
@@ -3091,7 +3091,16 @@
         class R(J):
             __slots__ = ["__dict__", "__weakref__"]
-        for cls, cls2 in ((G, H), (G, I), (I, H), (Q, R), (R, Q)):
+        if test_support.check_impl_detail(pypy=False):
+            lst = ((G, H), (G, I), (I, H), (Q, R), (R, Q))
+        else:
+            # Not supported in pypy: changing the __class__ of an object
+            # to another __class__ that just happens to have the same slots.
+            # If needed, we can add the feature, but what we'll likely do
+            # then is to allow mostly any __class__ assignment, even if the
+            # classes have different __slots__, because we it's easier.
+            lst = ((Q, R), (R, Q))
+        for cls, cls2 in lst:
             x = cls()
             x.a = 1
             x.__class__ = cls2

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