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authorMarcel Plch <mplch@redhat.com>2019-05-22 11:51:26 (GMT)
committerPetr Viktorin <pviktori@redhat.com>2019-05-22 11:51:25 (GMT)
commit33e71e01e95506cf8d93fd68251fc56352bc7b39 (patch)
tree1b0727e1cc7f785d7e060f7a1efe42a402221787 /Lib
parent77aa396bb9415428de09112ddf6b34bb843811eb (diff)
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bpo-31862: Port binascii to PEP 489 multiphase initialization (GH-4108)
Diffstat (limited to 'Lib')
-rw-r--r--Lib/test/test_capi.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py
index 8bcbd82..a062a65 100644
--- a/Lib/test/test_capi.py
+++ b/Lib/test/test_capi.py
@@ -473,6 +473,19 @@ class SubinterpreterTest(unittest.TestCase):
self.assertNotEqual(pickle.load(f), id(sys.modules))
self.assertNotEqual(pickle.load(f), id(builtins))
+ def test_mutate_exception(self):
+ """
+ Exceptions saved in global module state get shared between
+ individual module instances. This test checks whether or not
+ a change in one interpreter's module gets reflected into the
+ other ones.
+ """
+ import binascii
+
+ support.run_in_subinterp("import binascii; binascii.Error.foobar = 'foobar'")
+
+ self.assertFalse(hasattr(binascii.Error, "foobar"))
+
class TestThreadState(unittest.TestCase):