diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index fdb0ea2..28af247 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -1229,6 +1229,11 @@
         self.assertEqual(bin(-(2**65)), '-0b1' + '0' * 65)
         self.assertEqual(bin(-(2**65-1)), '-0b' + '1' * 65)
 
+    def test_bytearray_translate(self):
+        x = bytearray(b"abc")
+        self.assertRaises(ValueError, x.translate, b"1", 1)
+        self.assertRaises(TypeError, x.translate, b"1"*256, 1)
+
 class TestSorted(unittest.TestCase):
 
     def test_basic(self):