Merged revisions 71722 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r71722 | benjamin.peterson | 2009-04-18 15:12:47 -0500 (Sat, 18 Apr 2009) | 1 line
try to initalize all builtin types with PyType_Ready to avoid problems like #5787
........
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 6dba040..407959d 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -1,3 +1,4 @@
+import builtins
import types
import unittest
import warnings
@@ -3586,6 +3587,17 @@
else:
self.fail("shouldn't be able to create inheritance cycles")
+ def test_builtin_bases(self):
+ # Make sure all the builtin types can have their base queried without
+ # segfaulting. See issue #5787.
+ builtin_types = [tp for tp in builtins.__dict__.values()
+ if isinstance(tp, type)]
+ for tp in builtin_types:
+ object.__getattribute__(tp, "__bases__")
+ if tp is not object:
+ self.assertEqual(len(tp.__bases__), 1, tp)
+
+
def test_mutable_bases_with_failing_mro(self):
# Testing mutable bases with failing mro...
class WorkOnce(type):