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Diffstat (limited to 'Lib/test/test_random.py')
-rw-r--r-- | Lib/test/test_random.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py index 66908868a6..5354eddab6 100644 --- a/Lib/test/test_random.py +++ b/Lib/test/test_random.py @@ -57,6 +57,11 @@ class TestBasicOps: self.assertRaises(TypeError, self.gen.seed, 1, 2, 3, 4) self.assertRaises(TypeError, type(self.gen), []) + def test_seed_no_mutate_bug_44018(self): + a = bytearray(b'1234') + self.gen.seed(a) + self.assertEqual(a, bytearray(b'1234')) + @unittest.mock.patch('random._urandom') # os.urandom def test_seed_when_randomness_source_not_found(self, urandom_mock): # Random.seed() uses time.time() when an operating system specific |