address review: test for 128/-129

Author: skirpichev

Lib/test/test_long.py

@@ -1377,6 +1377,10 @@ def equivalent_python(n, length, byteorder, signed=False):
         self.assertRaises(OverflowError, (256).to_bytes, 1, 'big', signed=True)
         self.assertRaises(OverflowError, (256).to_bytes, 1, 'little', signed=False)
         self.assertRaises(OverflowError, (256).to_bytes, 1, 'little', signed=True)
+        self.assertRaises(OverflowError, (128).to_bytes, 0, 'big', signed=True)
+        self.assertRaises(OverflowError, (128).to_bytes, 0, 'little', signed=True)
+        self.assertRaises(OverflowError, (-129).to_bytes, 0, 'big', signed=True)
+        self.assertRaises(OverflowError, (-129).to_bytes, 0, 'little', signed=True)
         self.assertRaises(OverflowError, (-1).to_bytes, 2, 'big', signed=False)
         self.assertRaises(OverflowError, (-1).to_bytes, 2, 'little', signed=False)
         self.assertEqual((0).to_bytes(0, 'big'), b'')