bpo-38169: Increase code coverage for SharedMemory and ShareableList (GH-16139)
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@ -3768,6 +3768,18 @@ class _TestSharedMemory(BaseTestCase):
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self.assertGreaterEqual(sms.size, 512)
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self.assertGreaterEqual(len(sms.buf), sms.size)
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# Verify __repr__
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self.assertIn(sms.name, str(sms))
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self.assertIn(str(sms.size), str(sms))
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# Test pickling
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sms.buf[0:6] = b'pickle'
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pickled_sms = pickle.dumps(sms)
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sms2 = pickle.loads(pickled_sms)
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self.assertEqual(sms.name, sms2.name)
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self.assertEqual(sms.size, sms2.size)
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self.assertEqual(bytes(sms.buf[0:6]), bytes(sms2.buf[0:6]), b'pickle')
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# Modify contents of shared memory segment through memoryview.
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sms.buf[0] = 42
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self.assertEqual(sms.buf[0], 42)
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@ -3975,6 +3987,23 @@ class _TestSharedMemory(BaseTestCase):
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)
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self.addCleanup(sl.shm.unlink)
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# Verify __repr__
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self.assertIn(sl.shm.name, str(sl))
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self.assertIn(str(list(sl)), str(sl))
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# Index Out of Range (get)
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with self.assertRaises(IndexError):
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sl[7]
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# Index Out of Range (set)
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with self.assertRaises(IndexError):
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sl[7] = 2
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# Assign value without format change (str -> str)
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current_format = sl._get_packing_format(0)
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sl[0] = 'howdy'
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self.assertEqual(current_format, sl._get_packing_format(0))
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# Verify attributes are readable.
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self.assertEqual(sl.format, '8s8sdqxxxxxx?xxxxxxxx?q')
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@ -0,0 +1 @@
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Increase code coverage for SharedMemory and ShareableList
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