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Diffstat (limited to 'Lib/test/test_capi.py')
-rw-r--r-- | Lib/test/test_capi.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py index 584c104..d1506bc 100644 --- a/Lib/test/test_capi.py +++ b/Lib/test/test_capi.py @@ -584,6 +584,26 @@ class SubinterpreterTest(unittest.TestCase): self.assertNotEqual(pickle.load(f), id(sys.modules)) self.assertNotEqual(pickle.load(f), id(builtins)) + def test_subinterps_recent_language_features(self): + r, w = os.pipe() + code = """if 1: + import pickle + with open({:d}, "wb") as f: + + def noop(x): return x + + a = (b := f'1{{2}}3') + noop('x') # Py 3.8 (:=) / 3.6 (f'') + + async def foo(arg): return await arg # Py 3.5 + + pickle.dump(dict(a=a, b=b), f) + """.format(w) + + with open(r, "rb") as f: + ret = support.run_in_subinterp(code) + self.assertEqual(ret, 0) + self.assertEqual(pickle.load(f), {'a': '123x', 'b': '123'}) + def test_mutate_exception(self): """ Exceptions saved in global module state get shared between |