diff --git a/Lib/test/test_long.py b/Lib/test/test_long.py index 41b973da2c7df0..b247f3322c2b08 100644 --- a/Lib/test/test_long.py +++ b/Lib/test/test_long.py @@ -1642,5 +1642,21 @@ class MyInt(int): # GH-117195 -- This shouldn't crash object.__sizeof__(1) + def test_hash(self): + # gh-136599 + self.assertEqual(hash(-1), -2) + self.assertEqual(hash(0), 0) + self.assertEqual(hash(10), 10) + + self.assertEqual(hash(sys.hash_info.modulus - 2), sys.hash_info.modulus - 2) + self.assertEqual(hash(sys.hash_info.modulus - 1), sys.hash_info.modulus - 1) + self.assertEqual(hash(sys.hash_info.modulus), 0) + self.assertEqual(hash(sys.hash_info.modulus + 1), 1) + + self.assertEqual(hash(-sys.hash_info.modulus - 2), -2) + self.assertEqual(hash(-sys.hash_info.modulus - 1), -2) + self.assertEqual(hash(-sys.hash_info.modulus), 0) + self.assertEqual(hash(-sys.hash_info.modulus + 1), -sys.hash_info.modulus + 1) + if __name__ == "__main__": unittest.main()