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authorMariatta Wijaya <mariatta.wijaya@gmail.com>2017-02-06 20:16:58 -0800
committerMariatta Wijaya <mariatta.wijaya@gmail.com>2017-02-06 20:16:58 -0800
commitda79bcf8ac7ae72218ab023e1ed54390bc1a3a27 (patch)
tree74845e2dbd9521d9748b9c32f1922f4123083bf3 /Lib/test/test_marshal.py
parente3c7e835bdfc97750eb9b7fc0ad2493108c2d438 (diff)
parent1fe806ac56f8b83694d24ab604eb695d00bc8497 (diff)
downloadcpython-da79bcf8ac7ae72218ab023e1ed54390bc1a3a27.tar.gz
Issue #29371: merge with 3.5
Diffstat (limited to 'Lib/test/test_marshal.py')
-rw-r--r--Lib/test/test_marshal.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py
index c7def9a599..b378ffea00 100644
--- a/Lib/test/test_marshal.py
+++ b/Lib/test/test_marshal.py
@@ -135,6 +135,13 @@ class ContainerTestCase(unittest.TestCase, HelperMixin):
for constructor in (set, frozenset):
self.helper(constructor(self.d.keys()))
+ @support.cpython_only
+ def test_empty_frozenset_singleton(self):
+ # marshal.loads() must reuse the empty frozenset singleton
+ obj = frozenset()
+ obj2 = marshal.loads(marshal.dumps(obj))
+ self.assertIs(obj2, obj)
+
class BufferTestCase(unittest.TestCase, HelperMixin):